CUB-124: scaffold Control Center Go backend

Reviewed-on: #27

.gitea/workflows/dev.yml

@@ -0,0 +1,44 @@
+name: Dev Build
+
+on:
+  pull_request:
+    branches: [dev]
+  push:
+    branches: [dev]
+
+jobs:
+  build-test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: '9.0.x'
+
+      - name: Restore backend
+        run: dotnet restore
+        working-directory: ./backend
+
+      - name: Build backend
+        run: dotnet build --no-restore --configuration Release
+        working-directory: ./backend
+
+      - name: Test backend
+        run: dotnet test --no-build --configuration Release
+        working-directory: ./backend
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: "24"
+
+      - name: Install frontend deps
+        run: npm ci
+        working-directory: ./frontend
+
+      - name: Build frontend
+        run: npm run build
+        working-directory: ./frontend

README.md

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+# Control Center
+
+> Real-time agent fleet dashboard for the OpenClaw AI development team.
+
+Control Center monitors and controls the full CubeCraft Creations AI agent fleet — Otto, Rex, Dex, Hex, Pip, Nano, Sketch, Bob, Stuart, Norbert, and Flip. It provides live agent status, task progress, session logs, and a command interface, backed by SignalR for push-based updates directly from the OpenClaw gateway.
+
+---
+
+## Tech Stack
+
+| Layer | Technology |
+|---|---|
+| Backend | ASP.NET Core Web API (.NET 8) |
+| Database | PostgreSQL (snake_case via EF Core) |
+| ORM | Entity Framework Core |
+| Real-time | SignalR (`AgentStatusHub`) |
+| Frontend | Angular (latest), Angular Material, Angular Signals |
+| API Client | TypeScript package (`api-client/`) |
+| Deployment | Docker |
+
+---
+
+## Project Structure
+
+```
+Control-Center/
+├── backend/
+│   ├── ControlCenter/
+│   │   ├── Controllers/            # AgentsController, CommandController, LogsController
+│   │   ├── Hubs/                   # AgentStatusHub, IAgentStatusClient, AgentStatusModels
+│   │   ├── Models/                 # AgentMinionMapping
+│   │   ├── Services/               # AgentMinionMapperService, GatewayEventBridgeService
+│   │   ├── Program.cs
+│   │   └── appsettings.json
+│   ├── Configurations/             # AgentConfiguration
+│   ├── Data/                       # AppDbContext, AppDbContextFactory
+│   ├── Dtos/                       # AgentStatusUpdateDto
+│   ├── Entities/                   # Agent, AgentStatus
+│   ├── Migrations/                 # EF migrations
+│   ├── Models/                     # AgentState
+│   └── Repositories/               # AgentStateRepository, IAgentStateRepository
+├── frontend/
+│   └── src/app/
+│       ├── layout/                 # LayoutShell, HeaderBar, NavRail, BottomNav
+│       ├── pages/                  # hub, logs, projects, sessions, settings
+│       ├── components/             # AgentCard, AgentStatusBadge, TaskProgressBar,
+│       │                           #   QuickJumpButton, QuickJumpDrawer,
+│       │                           #   GlobalActionModal, AdaptiveNavigation
+│       ├── command-hub/            # AgentCard command hub view
+│       ├── models/                 # Agent model, AgentStatus, AgentCardData, Nav
+│       └── services/               # AgentStatusService (Angular Signals)
+├── api-client/                     # Shared TS client (models, SignalR WS, HTTP utils)
+├── design/
+│   ├── command-hub-spec.md
+│   └── mockups/                    # Desktop kiosk, mobile, quick-jump drawer
+└── README.md
+```
+
+---
+
+## Domain Model
+
+### Agent
+
+| Field | Type | Description |
+|---|---|---|
+| `Id` | `Guid` | Primary key |
+| `Status` | `AgentStatus` | Current agent state |
+| `Task` | `string?` | Active task description |
+| `Progress` | `int?` | Task completion % (0–100) |
+| `SessionKey` | `string` | OpenClaw session identifier |
+| `Channel` | `string` | Source channel (telegram, slack, etc.) |
+| `LastActivity` | `DateTime` | Last event timestamp |
+| `CreatedAt` / `UpdatedAt` | `DateTime` | Audit fields |
+
+### AgentStatus enum
+
+| Value | Integer | Meaning |
+|---|---|---|
+| `Active` | 0 | Agent is executing a task |
+| `Idle` | 1 | Agent is waiting for work |
+| `Thinking` | 2 | Agent is reasoning/planning |
+| `Error` | 3 | Agent hit an unrecoverable state |
+
+---
+
+## Key Design Decisions
+
+1. **Angular Signals** — Reactive state management. No NgRx — kept intentionally simple.
+2. **Adaptive layout** — Sidebar nav (NavRail) on desktop/kiosk (≥768px); bottom nav on mobile.
+3. **Tactical Dark Mode** — Theme via CSS custom properties in `styles.scss`.
+4. **SignalR fleet group** — Clients call `JoinFleet()` to subscribe to all agent updates broadcast by the hub.
+5. **Backend push model** — Hub uses `IHubContext<AgentStatusHub, IAgentStatusClient>` extension methods to push to clients; no polling.
+6. **Gateway bridge** — `GatewayEventBridgeService` connects the OpenClaw gateway WebSocket to the SignalR hub.
+
+---
+
+## Getting Started
+
+### Prerequisites
+
+- .NET 8 SDK
+- Node.js 20+
+- Docker
+- PostgreSQL
+- Running OpenClaw gateway (for live agent events)
+
+### Backend
+
+```bash
+cd backend
+
+# Restore and build
+dotnet restore
+dotnet build
+
+# Apply migrations
+dotnet ef database update --project ControlCenter
+
+# Run API
+dotnet run --project ControlCenter
+```
+
+API runs at `http://localhost:5000` · Swagger at `http://localhost:5000/swagger`
+
+### Frontend
+
+```bash
+cd frontend
+npm install
+ng serve
+```
+
+Frontend runs at `http://localhost:4200`
+
+---
+
+## Configuration
+
+`backend/ControlCenter/appsettings.json` — override in `appsettings.Development.json` or environment variables:
+
+| Key | Default | Description |
+|---|---|---|
+| `ConnectionStrings:DefaultConnection` | *(set in dev config)* | PostgreSQL connection string |
+| `Gateway:WebSocketUrl` | `ws://localhost:3271/ws` | OpenClaw gateway WebSocket URL |
+| `Gateway:AuthToken` | `""` | Gateway auth token |
+| `Cors:AllowedOrigins` | `localhost:4200`, `localhost:5000` | Frontend origins for CORS |
+
+---
+
+## Real-Time Events
+
+SignalR hub endpoint: `/hubs/agent-status`
+
+### Hub Methods (server → client)
+
+| Method | Payload | Description |
+|---|---|---|
+| `ReceiveStatusUpdate` | `AgentStatusUpdateDto` | Agent status changed |
+| `ReceiveAgentList` | `Agent[]` | Full fleet snapshot on join |
+
+### Client → Server
+
+| Method | Description |
+|---|---|
+| `JoinFleet()` | Subscribe to all agent updates |
+| `LeaveFleet()` | Unsubscribe |
+| `SendStatusUpdate(dto)` | Push a status update (internal use) |
+
+---
+
+## Pages
+
+| Route | Page | Description |
+|---|---|---|
+| `/hub` | Command Hub | Live agent grid — status, task, progress |
+| `/logs` | Logs | Agent session log viewer |
+| `/projects` | Projects | Linear project tracking view |
+| `/sessions` | Sessions | OpenClaw session browser |
+| `/settings` | Settings | App configuration |
+
+---
+
+## Agent Fleet
+
+| Agent | Role |
+|---|---|
+| Otto | Orchestrator — owns the dev lifecycle |
+| Rex | Frontend (Angular) |
+| Dex | Backend (ASP.NET Core) |
+| Hex | Database (schema, migrations) |
+| Pip | Raspberry Pi / Python |
+| Nano | Arduino / ESP32 / ESPHome |
+| Sketch | UX/UI design |
+| Flip | Mobile development |
+| Bob | Content & marketing copy |
+| Stuart | Concept visualization (images) |
+| Norbert | 3D design (OpenSCAD) |
+
+---
+
+## Branch & PR Rules
+
+- All feature branches target `dev` — **never `main`**
+- Branch naming: `agent/<agent>/CUB-N-short-description`
+- PR titles: `CUB-N: short description`
+- PRs require Otto review before Joshua merges
+
+---
+
+## API Overview
+
+| Route prefix | Resource |
+|---|---|
+| `/api/agents` | Agent registry and status |
+| `/api/command` | Issue commands to agents |
+| `/api/logs` | Session log retrieval |
+
+Full schema at `/swagger` when running in dev.
+
+---
+
+*Built by CubeCraft Creations · Orchestrated by Otto*

backend/.gitignore

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+## .NET
+bin/
+obj/
+*.user
+*.suo
+*.cache
+*.dll
+*.pdb
+
+## IDE
+.vs/
+.idea/
+*.swp
+*~
+
+## OS
+.DS_Store
+Thumbs.db
+
+## Environment
+.env

backend/Configurations/AgentConfiguration.cs

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+using ControlCenter.Api.Entities;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace ControlCenter.Api.Configurations;
+
+/// <summary>
+/// EF Core entity type configuration for the agents table.
+/// Enforces snake_case naming, required fields, and index design.
+/// </summary>
+public class AgentConfiguration : IEntityTypeConfiguration<Agent>
+{
+    public void Configure(EntityTypeBuilder<Agent> builder)
+    {
+        // Table name — snake_case
+        builder.ToTable("agents");
+
+        // Primary key
+        builder.HasKey(a => a.Id);
+        builder.Property(a => a.Id)
+            .HasColumnName("id")
+            .ValueGeneratedOnAdd();
+
+        // Status — stored as PostgreSQL enum via Npgsql
+        builder.Property(a => a.Status)
+            .HasColumnName("status")
+            .HasColumnType("agent_status")
+            .IsRequired();
+
+        // Task — nullable text
+        builder.Property(a => a.Task)
+            .HasColumnName("task")
+            .HasColumnType("text");
+
+        // Progress — nullable integer (0–100)
+        builder.Property(a => a.Progress)
+            .HasColumnName("progress");
+
+        // Session key — required, not null
+        builder.Property(a => a.SessionKey)
+            .HasColumnName("session_key")
+            .HasColumnType("text")
+            .IsRequired();
+
+        // Channel — required, not null
+        builder.Property(a => a.Channel)
+            .HasColumnName("channel")
+            .HasColumnType("text")
+            .IsRequired();
+
+        // Last activity — required, defaults to now()
+        builder.Property(a => a.LastActivity)
+            .HasColumnName("last_activity")
+            .HasColumnType("timestamptz")
+            .IsRequired();
+
+        // Created at — auto-set on insert
+        builder.Property(a => a.CreatedAt)
+            .HasColumnName("created_at")
+            .HasColumnType("timestamptz")
+            .IsRequired()
+            .HasDefaultValueSql("now()");
+
+        // Updated at — auto-set on insert and update
+        builder.Property(a => a.UpdatedAt)
+            .HasColumnName("updated_at")
+            .HasColumnType("timestamptz")
+            .IsRequired()
+            .HasDefaultValueSql("now()");
+
+        // Indexes
+        // Sessions are looked up by session_key frequently
+        builder.HasIndex(a => a.SessionKey)
+            .HasDatabaseName("ix_agents_session_key")
+            .IsUnique();
+
+        // Agents are filtered by channel for channel-specific queries
+        builder.HasIndex(a => a.Channel)
+            .HasDatabaseName("ix_agents_channel");
+
+        // Agents are filtered by status for fleet health monitoring
+        builder.HasIndex(a => a.Status)
+            .HasDatabaseName("ix_agents_status");
+
+        // Check constraint: progress must be 0–100 if present
+        builder.ToTable(t => t.HasCheckConstraint("ck_agents_progress_range", "progress IS NULL OR (progress >= 0 AND progress <= 100)"));
+    }
+}

backend/ControlCenter.Api.csproj

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+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <!-- Exclude the separate ControlCenter sub-project from this project's compilation -->
+  <ItemGroup>
+    <Compile Remove="ControlCenter/**/*.cs" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.14" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.4">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="9.0.4" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="10.1.7" />
+  </ItemGroup>
+
+</Project>

backend/ControlCenter.Api.http

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+@ControlCenter.Api_HostAddress = http://localhost:5178
+
+GET {{ControlCenter.Api_HostAddress}}/weatherforecast/
+Accept: application/json
+
+###

backend/ControlCenter/.gitignore

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+## .NET
+bin/
+obj/
+*.user
+*.suo
+*.cache
+*.dll
+*.pdb
+*.xml
+
+## IDE
+.vs/
+.vscode/
+.idea/
+
+## OS
+.DS_Store
+Thumbs.db

backend/ControlCenter/ControlCenter.csproj

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+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <NoWarn>CS1591</NoWarn>
+    <RootNamespace>ControlCenter</RootNamespace>
+    <AssemblyName>ControlCenter</AssemblyName>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="10.1.7" />
+  </ItemGroup>
+
+</Project>

backend/ControlCenter/Controllers/AgentsController.cs

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+using Microsoft.AspNetCore.Mvc;
+using ControlCenter.Services;
+
+namespace ControlCenter.Controllers;
+
+/// <summary>
+/// REST API for querying agent fleet status.
+/// Provides the initial data load for the Command Hub,
+/// while real-time updates flow through the AgentStatus SignalR hub.
+///
+/// <para>API contract for Rex (Frontend):</para>
+/// <list type="bullet">
+///   <item><c>GET /api/agents</c> — Returns all known agents with current status</item>
+///   <item><c>GET /api/agents/{agentId}</c> — Returns a specific agent's status</item>
+/// </list>
+/// </summary>
+[ApiController]
+[Route("api/[controller]")]
+public class AgentsController : ControllerBase
+{
+    private readonly ILogger<AgentsController> _logger;
+    private readonly GatewayEventBridgeService _bridgeService;
+
+    public AgentsController(
+        ILogger<AgentsController> logger,
+        GatewayEventBridgeService bridgeService)
+    {
+        _logger = logger;
+        _bridgeService = bridgeService;
+    }
+
+    /// <summary>
+    /// Gets the current fleet status — all known agents with their latest state.
+    /// This is the initial load endpoint; subsequent updates arrive via SignalR.
+    /// </summary>
+    /// <returns>An array of agent card data for the entire fleet.</returns>
+    /// <response code="200">Returns the fleet snapshot.</response>
+    [HttpGet]
+    [ProducesResponseType(typeof(AgentCardData[]), StatusCodes.Status200OK)]
+    public IActionResult GetAgents()
+    {
+        var snapshot = _bridgeService.GetFleetSnapshot();
+        _logger.LogDebug("Fleet snapshot requested: {Count} agents", snapshot.Length);
+        return Ok(snapshot);
+    }
+
+    /// <summary>
+    /// Gets the current status of a specific agent.
+    /// </summary>
+    /// <param name="agentId">The agent identifier, e.g. "otto", "dex".</param>
+    /// <returns>The agent's current card data.</returns>
+    /// <response code="200">Returns the agent's status.</response>
+    /// <response code="404">Agent not found in the fleet state.</response>
+    [HttpGet("{agentId}")]
+    [ProducesResponseType(typeof(AgentCardData), StatusCodes.Status200OK)]
+    [ProducesResponseType(StatusCodes.Status404NotFound)]
+    public IActionResult GetAgent(string agentId)
+    {
+        var snapshot = _bridgeService.GetFleetSnapshot();
+        var agent = snapshot.FirstOrDefault(a =>
+            a.Id.Equals(agentId, StringComparison.OrdinalIgnoreCase));
+
+        if (agent is null)
+        {
+            _logger.LogWarning("Agent not found: {AgentId}", agentId);
+            return NotFound(new { error = $"Agent '{agentId}' not found" });
+        }
+
+        return Ok(agent);
+    }
+}

backend/ControlCenter/Controllers/CommandController.cs

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+using Microsoft.AspNetCore.Mvc;
+
+namespace ControlCenter.Controllers;
+
+/// <summary>
+/// REST API for sending control commands to agents.
+/// Provides the Command Hub's action endpoints for agent lifecycle control.
+///
+/// <para>API contract for Rex (Frontend):</para>
+/// <list type="bullet">
+///   <item><c>POST /api/command/stop/{agentId}</c> — Stop/abort an agent's active session</item>
+///   <item><c>POST /api/command/restart/{agentId}</c> — Restart an agent</item>
+///   <item><c>POST /api/command/steer/{agentId}</c> — Inject a message into an agent's session</item>
+/// </list>
+///
+/// <para>Commands are forwarded to the OpenClaw Gateway via the
+/// WebSocket bridge service. The Gateway handles the actual execution.</para>
+/// </summary>
+[ApiController]
+[Route("api/[controller]")]
+public class CommandController : ControllerBase
+{
+    private readonly ILogger<CommandController> _logger;
+
+    public CommandController(ILogger<CommandController> logger)
+    {
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// Stops (aborts) an agent's active session.
+    /// Sends an abort command to the OpenClaw Gateway.
+    /// </summary>
+    /// <param name="agentId">The agent identifier to stop.</param>
+    /// <returns>Confirmation of the stop command.</returns>
+    /// <response code="200">Stop command sent successfully.</response>
+    /// <response code="404">No active session found for the agent.</response>
+    [HttpPost("stop/{agentId}")]
+    [ProducesResponseType(StatusCodes.Status200OK)]
+    [ProducesResponseType(StatusCodes.Status404NotFound)]
+    public IActionResult StopAgent(string agentId)
+    {
+        _logger.LogInformation("Stop command received for agent {AgentId}", agentId);
+
+        // TODO: Forward to Gateway via bridge service
+        // await _bridgeService.SendRpcAsync("sessions.abort", new { sessionKey = ... });
+
+        return Ok(new
+        {
+            agentId,
+            command = "stop",
+            status = "sent",
+            timestamp = DateTime.UtcNow.ToString("o")
+        });
+    }
+
+    /// <summary>
+    /// Restarts an agent by aborting the current session and allowing
+    /// a new one to start on the next incoming message.
+    /// </summary>
+    /// <param name="agentId">The agent identifier to restart.</param>
+    /// <returns>Confirmation of the restart command.</returns>
+    /// <response code="200">Restart command sent successfully.</response>
+    [HttpPost("restart/{agentId}")]
+    [ProducesResponseType(StatusCodes.Status200OK)]
+    public IActionResult RestartAgent(string agentId)
+    {
+        _logger.LogInformation("Restart command received for agent {AgentId}", agentId);
+
+        // TODO: Forward to Gateway — abort current session + signal restart
+
+        return Ok(new
+        {
+            agentId,
+            command = "restart",
+            status = "sent",
+            timestamp = DateTime.UtcNow.ToString("o")
+        });
+    }
+
+    /// <summary>
+    /// Steers (injects a message into) an agent's active session.
+    /// Used by operators to redirect an agent's task mid-execution.
+    /// </summary>
+    /// <param name="agentId">The agent identifier to steer.</param>
+    /// <param name="request">The steering message to inject.</param>
+    /// <returns>Confirmation of the steer command.</returns>
+    /// <response code="200">Steer command sent successfully.</response>
+    /// <response code="400">Missing or empty message.</response>
+    [HttpPost("steer/{agentId}")]
+    [ProducesResponseType(StatusCodes.Status200OK)]
+    [ProducesResponseType(StatusCodes.Status400BadRequest)]
+    public IActionResult SteerAgent(string agentId, [FromBody] SteerRequest request)
+    {
+        if (string.IsNullOrWhiteSpace(request.Message))
+        {
+            return BadRequest(new { error = "Message is required" });
+        }
+
+        _logger.LogInformation("Steer command received for agent {AgentId}: {Message}",
+            agentId, request.Message.Length > 100
+                ? request.Message[..100] + "..." : request.Message);
+
+        // TODO: Forward to Gateway via bridge service
+        // await _bridgeService.SendRpcAsync("sessions.steer", new { sessionKey = ..., message = request.Message });
+
+        return Ok(new
+        {
+            agentId,
+            command = "steer",
+            message = request.Message,
+            status = "sent",
+            timestamp = DateTime.UtcNow.ToString("o")
+        });
+    }
+}
+
+/// <summary>
+/// Request body for the steer command.
+/// </summary>
+/// <param name="Message">The message to inject into the agent's session.</param>
+public record SteerRequest(string Message);

backend/ControlCenter/Controllers/LogsController.cs

@@ -0,0 +1,87 @@
+using Microsoft.AspNetCore.Mvc;
+
+namespace ControlCenter.Controllers;
+
+/// <summary>
+/// REST API for querying agent session logs.
+/// Provides historical message and tool call logs for a specific agent.
+///
+/// <para>API contract for Rex (Frontend):</para>
+/// <list type="bullet">
+///   <item><c>GET /api/logs/{agentId}</c> — Returns recent logs for an agent</item>
+///   <item><c>GET /api/logs/{agentId}/tools</c> — Returns recent tool calls for an agent</item>
+/// </list>
+///
+/// <para>Log data is sourced from the OpenClaw Gateway's transcript files.
+/// The Gateway's <c>logs.tail</c> RPC provides the raw data, and this
+/// controller formats it for the frontend.</para>
+/// </summary>
+[ApiController]
+[Route("api/[controller]")]
+public class LogsController : ControllerBase
+{
+    private readonly ILogger<LogsController> _logger;
+
+    public LogsController(ILogger<LogsController> logger)
+    {
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// Gets recent session logs for a specific agent.
+    /// Returns the last N messages from the agent's active session transcript.
+    /// </summary>
+    /// <param name="agentId">The agent identifier, e.g. "otto", "dex".</param>
+    /// <param name="limit">Maximum number of log entries to return (default: 50, max: 200).</param>
+    /// <returns>An array of log entries for the agent.</returns>
+    /// <response code="200">Returns the agent's recent logs.</response>
+    /// <response code="404">No active session found for the agent.</response>
+    [HttpGet("{agentId}")]
+    [ProducesResponseType(StatusCodes.Status200OK)]
+    [ProducesResponseType(StatusCodes.Status404NotFound)]
+    public IActionResult GetLogs(string agentId, [FromQuery] int limit = 50)
+    {
+        limit = Math.Clamp(limit, 1, 200);
+
+        _logger.LogDebug("Logs requested for agent {AgentId}, limit {Limit}", agentId, limit);
+
+        // TODO: Implement log retrieval by calling the Gateway's logs.tail RPC
+        // or reading transcript files. For now, return an empty array as the
+        // bridge service will provide this data when fully integrated.
+        return Ok(new
+        {
+            agentId,
+            logs = Array.Empty<object>(),
+            count = 0,
+            hasMore = false
+        });
+    }
+
+    /// <summary>
+    /// Gets recent tool call logs for a specific agent.
+    /// Returns the last N tool invocations from the agent's session.
+    /// </summary>
+    /// <param name="agentId">The agent identifier.</param>
+    /// <param name="limit">Maximum number of tool entries to return (default: 20, max: 100).</param>
+    /// <returns>An array of tool call entries for the agent.</returns>
+    /// <response code="200">Returns the agent's recent tool calls.</response>
+    /// <response code="404">No active session found for the agent.</response>
+    [HttpGet("{agentId}/tools")]
+    [ProducesResponseType(StatusCodes.Status200OK)]
+    [ProducesResponseType(StatusCodes.Status404NotFound)]
+    public IActionResult GetToolLogs(string agentId, [FromQuery] int limit = 20)
+    {
+        limit = Math.Clamp(limit, 1, 100);
+
+        _logger.LogDebug("Tool logs requested for agent {AgentId}, limit {Limit}", agentId, limit);
+
+        // TODO: Implement tool log retrieval. Return empty for now.
+        return Ok(new
+        {
+            agentId,
+            tools = Array.Empty<object>(),
+            count = 0,
+            hasMore = false
+        });
+    }
+}

backend/ControlCenter/Hubs/AgentStatusHub.cs

@@ -0,0 +1,211 @@
+using Microsoft.AspNetCore.SignalR;
+
+namespace ControlCenter.Hubs;
+
+/// <summary>
+/// SignalR hub for real-time agent status updates in the Command Hub.
+///
+/// <para>Usage flow:</para>
+/// <list type="number">
+///   <item>Client connects to <c>/hubs/agent-status</c></item>
+///   <item>Client calls <see cref="JoinFleet"/> to subscribe to all agent updates</item>
+///   <item>Client calls <see cref="JoinAgentGroup"/> to subscribe to a specific agent</item>
+///   <item>Server pushes <see cref="IAgentStatusClient.AgentStatusChanged"/>
+///         and <see cref="IAgentStatusClient.AgentTaskProgress"/> events</item>
+///   <item>Client calls <see cref="GetFleetSnapshot"/> for initial state on connect</item>
+/// </list>
+///
+/// <para>Group naming:</para>
+/// <list type="bullet">
+///   <item>Fleet group: <c>fleet</c> — receives all agent updates</item>
+///   <item>Agent group: <c>agent:{agentId}</c> — receives updates for one agent</item>
+/// </list>
+///
+/// <para>Typed client: <see cref="IAgentStatusClient"/> — all server-to-client
+/// calls go through this interface for compile-time safety.</para>
+///
+/// <para>Architecture note: This hub bridges OpenClaw Gateway WebSocket events
+/// to SignalR clients. A background service (<see cref="Services.GatewayEventBridgeService"/>)
+/// subscribes to Gateway events and pushes them through this hub's extension methods.</para>
+/// </summary>
+public class AgentStatusHub : Hub<IAgentStatusClient>
+{
+    private readonly ILogger<AgentStatusHub> _logger;
+
+    public AgentStatusHub(ILogger<AgentStatusHub> logger)
+    {
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// Broadcasts an agent status update to all connected clients.
+    ///
+    /// <para>
+    /// Any connected client (or server-side caller) can invoke this method
+    /// to push a status update to every subscriber. The DTO is converted to
+    /// an <see cref="AgentStatusUpdate"/> record and relayed through the
+    /// <see cref="IAgentStatusClient.AgentStatusChanged"/> callback.
+    /// </para>
+    /// </summary>
+    /// <param name="update">The agent status update DTO to broadcast.</param>
+    public async Task SendStatusUpdate(AgentStatusUpdateDto update)
+    {
+        _logger.LogInformation(
+            "Broadcasting status update for agent {AgentId}: {Status}",
+            update.AgentId, update.Status);
+
+        var agentUpdate = update.ToUpdate();
+
+        // Broadcast to all connected clients
+        await Clients.All.AgentStatusChanged(agentUpdate);
+
+        // Also push to the specific agent's group
+        var agentGroup = AgentGroupName(update.AgentId);
+        await Clients.Group(agentGroup).AgentStatusChanged(agentUpdate);
+    }
+
+    /// <summary>
+    /// Adds the calling connection to the fleet group.
+    /// Once joined, the client will receive all agent status changes
+    /// and task progress updates across the entire fleet.
+    /// </summary>
+    public async Task JoinFleet()
+    {
+        await Groups.AddToGroupAsync(Context.ConnectionId, FleetGroupName);
+        _logger.LogDebug("Connection {ConnectionId} joined fleet group", Context.ConnectionId);
+    }
+
+    /// <summary>
+    /// Removes the calling connection from the fleet group.
+    /// </summary>
+    public async Task LeaveFleet()
+    {
+        await Groups.RemoveFromGroupAsync(Context.ConnectionId, FleetGroupName);
+        _logger.LogDebug("Connection {ConnectionId} left fleet group", Context.ConnectionId);
+    }
+
+    /// <summary>
+    /// Adds the calling connection to a specific agent's group.
+    /// Once joined, the client will receive updates only for that agent.
+    /// </summary>
+    /// <param name="agentId">The agent identifier, e.g. "otto", "dex".</param>
+    /// <exception cref="HubException">Thrown if agentId is null or empty.</exception>
+    public async Task JoinAgentGroup(string agentId)
+    {
+        if (string.IsNullOrWhiteSpace(agentId))
+            throw new HubException("agentId is required");
+
+        var groupName = AgentGroupName(agentId);
+        await Groups.AddToGroupAsync(Context.ConnectionId, groupName);
+        _logger.LogDebug("Connection {ConnectionId} joined agent group {GroupName}",
+            Context.ConnectionId, groupName);
+    }
+
+    /// <summary>
+    /// Removes the calling connection from a specific agent's group.
+    /// </summary>
+    /// <param name="agentId">The agent identifier.</param>
+    public async Task LeaveAgentGroup(string agentId)
+    {
+        if (string.IsNullOrWhiteSpace(agentId)) return;
+
+        var groupName = AgentGroupName(agentId);
+        await Groups.RemoveFromGroupAsync(Context.ConnectionId, groupName);
+    }
+
+    /// <summary>
+    /// Returns a snapshot of the current fleet state.
+    /// Called by clients on initial connection to get the full picture
+    /// before incremental updates begin arriving.
+    /// </summary>
+    /// <returns>An array of <see cref="AgentCardData"/> representing all known agents.</returns>
+    public Task<AgentCardData[]> GetFleetSnapshot()
+    {
+        // The fleet state is managed by the GatewayEventBridgeService.
+        // For now, return an empty array — the bridge service will push
+        // updates as they arrive from the Gateway.
+        _logger.LogDebug("Fleet snapshot requested by {ConnectionId}", Context.ConnectionId);
+        return Task.FromResult(Array.Empty<AgentCardData>());
+    }
+
+    /// <summary>
+    /// Overrides <see cref="Hub.OnDisconnectedAsync"/> to perform cleanup.
+    /// SignalR automatically removes disconnected connections from all groups.
+    /// </summary>
+    /// <param name="exception">Exception that caused the disconnection, if any.</param>
+    public override Task OnDisconnectedAsync(Exception? exception)
+    {
+        _logger.LogDebug("Connection {ConnectionId} disconnected", Context.ConnectionId);
+        return base.OnDisconnectedAsync(exception);
+    }
+
+    /// <summary>
+    /// The SignalR group name for the entire fleet (all agents).
+    /// </summary>
+    internal const string FleetGroupName = "fleet";
+
+    /// <summary>
+    /// Returns the SignalR group name for a specific agent.
+    /// Format: <c>agent:{agentId}</c> (lowercase for consistency).
+    /// </summary>
+    /// <param name="agentId">The agent identifier.</param>
+    internal static string AgentGroupName(string agentId) =>
+        $"agent:{agentId.ToLowerInvariant()}";
+}
+
+/// <summary>
+/// Extension methods for pushing real-time agent updates through
+/// the <see cref="IHubContext{T}"/> of <see cref="AgentStatusHub"/>.
+///
+/// <para>These methods are intended to be called from background services
+/// (e.g., <see cref="Services.GatewayEventBridgeService"/>) or other
+/// server-side code that detects an agent state change.</para>
+/// </summary>
+public static class AgentStatusHubExtensions
+{
+    /// <summary>
+    /// Pushes an agent status change to all clients subscribed to
+    /// the fleet group and the specific agent's group.
+    ///
+    /// <para>Call this from any background service when an agent's
+    /// operational status changes (e.g., the Gateway reports a
+    /// session transition from "running" to "done").</para>
+    /// </summary>
+    /// <param name="hubContext">The hub context injected via DI.</param>
+    /// <param name="update">The agent status update payload.</param>
+    /// <returns>A Task that completes when the message has been sent to all group members.</returns>
+    public static async Task PushAgentStatusAsync(
+        this IHubContext<AgentStatusHub, IAgentStatusClient> hubContext,
+        AgentStatusUpdate update)
+    {
+        // Broadcast to the fleet group (all subscribers)
+        await hubContext.Clients.Group(AgentStatusHub.FleetGroupName)
+            .AgentStatusChanged(update);
+
+        // Also push to the specific agent's group
+        var agentGroup = AgentStatusHub.AgentGroupName(update.AgentId);
+        await hubContext.Clients.Group(agentGroup)
+            .AgentStatusChanged(update);
+    }
+
+    /// <summary>
+    /// Pushes a task progress update to all clients subscribed to
+    /// the fleet group and the specific agent's group.
+    /// </summary>
+    /// <param name="hubContext">The hub context injected via DI.</param>
+    /// <param name="progress">The task progress update payload.</param>
+    /// <returns>A Task that completes when the message has been sent to all group members.</returns>
+    public static async Task PushTaskProgressAsync(
+        this IHubContext<AgentStatusHub, IAgentStatusClient> hubContext,
+        TaskProgressUpdate progress)
+    {
+        // Broadcast to the fleet group
+        await hubContext.Clients.Group(AgentStatusHub.FleetGroupName)
+            .AgentTaskProgress(progress);
+
+        // Also push to the specific agent's group
+        var agentGroup = AgentStatusHub.AgentGroupName(progress.AgentId);
+        await hubContext.Clients.Group(agentGroup)
+            .AgentTaskProgress(progress);
+    }
+}

backend/ControlCenter/Hubs/IAgentStatusClient.cs

@@ -0,0 +1,30 @@
+namespace ControlCenter.Hubs;
+
+/// <summary>
+/// Strongly-typed client interface for the AgentStatus SignalR hub.
+/// Defines the methods the server can invoke on connected clients
+/// to push real-time agent status and task progress updates.
+/// 
+/// <para>All server-to-client calls go through this interface for
+/// compile-time safety — matching the pattern used by the
+/// Extrudex PrinterHub.</para>
+/// </summary>
+public interface IAgentStatusClient
+{
+    /// <summary>
+    /// Pushes an agent status change to all subscribed clients.
+    /// Fired whenever an agent's operational status changes
+    /// (e.g., idle → active, active → thinking, active → error).
+    /// </summary>
+    /// <param name="update">The full status update payload.</param>
+    /// <returns>A Task that completes when the client has processed the update.</returns>
+    Task AgentStatusChanged(AgentStatusUpdate update);
+
+    /// <summary>
+    /// Pushes a task progress update to all subscribed clients.
+    /// Fired when an agent reports progress on its current task.
+    /// </summary>
+    /// <param name="progress">The task progress update payload.</param>
+    /// <returns>A Task that completes when the client has processed the update.</returns>
+    Task AgentTaskProgress(TaskProgressUpdate progress);
+}

backend/ControlCenter/Hubs/Models/AgentStatusModels.cs

@@ -0,0 +1,166 @@
+namespace ControlCenter;
+
+/// <summary>
+/// Agent operational status derived from OpenClaw Gateway session activity.
+/// Maps to the frontend AgentStatus type: 'active' | 'idle' | 'thinking' | 'error'.
+/// </summary>
+public enum AgentStatus
+{
+    /// <summary>Agent is currently processing a turn.</summary>
+    Active,
+
+    /// <summary>Agent completed its last turn; no active work.</summary>
+    Idle,
+
+    /// <summary>LLM call in flight; tokens streaming.</summary>
+    Thinking,
+
+    /// <summary>Agent encountered an unhandled error.</summary>
+    Error
+}
+
+/// <summary>
+/// Extended lifecycle status including offline — not all agents have active sessions.
+/// Used internally; clients only see <see cref="AgentStatus"/> (offline maps to idle).
+/// </summary>
+public enum AgentLifecycleStatus
+{
+    Active,
+    Idle,
+    Thinking,
+    Error,
+    Offline
+}
+
+/// <summary>
+/// Pushed to SignalR clients when an agent's status changes.
+/// Matches the TypeScript <c>AgentStatusUpdate</c> interface from the design spec.
+/// </summary>
+/// <param name="AgentId">Agent identifier, e.g. "otto", "dex".</param>
+/// <param name="DisplayName">Human-readable name, e.g. "Otto".</param>
+/// <param name="Role">Role description, e.g. "Orchestrator Agent".</param>
+/// <param name="Status">Current operational status.</param>
+/// <param name="CurrentTask">Description of the current task, if any.</param>
+/// <param name="SessionKey">Full session key, e.g. "agent:otto:telegram:direct:8787451565".</param>
+/// <param name="Channel">Channel the agent is operating on, e.g. "telegram".</param>
+/// <param name="LastActivity">ISO 8601 timestamp of last activity.</param>
+/// <param name="ErrorMessage">Error message when status is 'error'.</param>
+public record AgentStatusUpdate(
+    string AgentId,
+    string DisplayName,
+    string Role,
+    string Status,
+    string? CurrentTask,
+    string SessionKey,
+    string Channel,
+    string LastActivity,
+    string? ErrorMessage = null
+);
+
+/// <summary>
+/// Pushed to SignalR clients when an agent's task progress updates.
+/// Matches the TypeScript <c>TaskProgressUpdate</c> interface from the design spec.
+/// </summary>
+/// <param name="AgentId">Agent identifier.</param>
+/// <param name="TaskDescription">Description of the current task.</param>
+/// <param name="Progress">Task progress percentage (0–100), if trackable.</param>
+/// <param name="Elapsed">Elapsed time string, e.g. "04m 12s".</param>
+public record TaskProgressUpdate(
+    string AgentId,
+    string TaskDescription,
+    int? Progress,
+    string? Elapsed
+);
+
+/// <summary>
+/// Data transfer object for broadcasting agent status updates
+/// to all connected SignalR clients via the hub's SendStatusUpdate method.
+///
+/// <para>This DTO provides a mutable, serialization-friendly alternative to
+/// <see cref="AgentStatusUpdate"/> for callers that construct updates
+/// from external data sources (e.g., HTTP API payloads).</para>
+/// </summary>
+public class AgentStatusUpdateDto
+{
+    /// <summary>
+    /// Agent identifier, e.g. "otto", "dex", "rex".
+    /// </summary>
+    public string AgentId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Human-readable display name, e.g. "Otto", "Dex".
+    /// </summary>
+    public string DisplayName { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Role description, e.g. "Orchestrator Agent", "Backend Specialist".
+    /// </summary>
+    public string Role { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Current operational status of the agent as lowercase string:
+    /// "active", "idle", "thinking", "error".
+    /// </summary>
+    public string Status { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Description of the agent's current task, if any.
+    /// </summary>
+    public string? CurrentTask { get; set; }
+
+    /// <summary>
+    /// Full session key, e.g. "agent:otto:telegram:direct:8787451565".
+    /// </summary>
+    public string SessionKey { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Communication channel, e.g. "telegram", "discord", "slack".
+    /// </summary>
+    public string Channel { get; set; } = string.Empty;
+
+    /// <summary>
+    /// ISO 8601 timestamp of the agent's last activity.
+    /// </summary>
+    public string LastActivity { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Error message when the agent status is "error".
+    /// </summary>
+    public string? ErrorMessage { get; set; }
+
+    /// <summary>
+    /// Converts this DTO to an immutable <see cref="AgentStatusUpdate"/> record
+    /// for use with the typed SignalR client interface.
+    /// </summary>
+    /// <returns>An <see cref="AgentStatusUpdate"/> with equivalent field values.</returns>
+    public AgentStatusUpdate ToUpdate() => new(
+        AgentId,
+        DisplayName,
+        Role,
+        Status,
+        CurrentTask,
+        SessionKey,
+        Channel,
+        LastActivity,
+        ErrorMessage
+    );
+}
+
+/// <summary>
+/// Snapshot of an agent's full card data, sent on initial connection
+/// or when the fleet state is requested.
+/// Matches the TypeScript <c>AgentCardData</c> interface from the design spec.
+/// </summary>
+public record AgentCardData(
+    string Id,
+    string DisplayName,
+    string Role,
+    string Status,
+    string? CurrentTask,
+    int? TaskProgress,
+    string? TaskElapsed,
+    string SessionKey,
+    string Channel,
+    string LastActivity,
+    string? ErrorMessage
+);

backend/ControlCenter/Models/AgentMinionMapping.cs

@@ -0,0 +1,72 @@
+namespace ControlCenter.Models;
+
+/// <summary>
+/// Defines which side of the Control Center dashboard a minion occupies.
+/// </summary>
+public enum MinionSide
+{
+    /// <summary>Development side — Rex, Dex, Hex.</summary>
+    Dev,
+
+    /// <summary>Business side — Larry, Mel, Buzz.</summary>
+    Business
+}
+
+/// <summary>
+/// Visual state of a minion sprite, derived from the agent's
+/// <see cref="AgentStatus"/>. Maps Active/Idle/Thinking/Error
+/// to frontend animation states.
+/// </summary>
+public enum MinionState
+{
+    /// <summary>Agent is actively processing — minion shows working animation.</summary>
+    Active,
+
+    /// <summary>Agent is idle — minion shows idle/patrolling animation.</summary>
+    Idle,
+
+    /// <summary>Agent is thinking (LLM call in flight) — minion shows thinking animation.</summary>
+    Thinking,
+
+    /// <summary>Agent encountered an error — minion shows error/distress animation.</summary>
+    Error
+}
+
+/// <summary>
+/// Static mapping entry that associates an agent ID with a minion's
+/// display side and position index within that side.
+///
+/// <para>Position indices are zero-based within each side. The dev side
+/// has Rex at 0, Dex at 1, and Hex at 2. The business side has
+/// Larry at 0, Mel at 1, and Buzz at 2.</para>
+/// </summary>
+/// <param name="AgentId">Agent identifier, e.g. "rex", "dex".</param>
+/// <param name="Side">Which side of the dashboard the minion occupies.</param>
+/// <param name="PositionIndex">Zero-based position index within the side.</param>
+/// <param name="DisplayName">Human-readable name, e.g. "Rex".</param>
+public record AgentMinionMapping(
+    string AgentId,
+    MinionSide Side,
+    int PositionIndex,
+    string DisplayName
+);
+
+/// <summary>
+/// Real-time minion state update pushed to SignalR clients
+/// when an agent's status changes. Combines the static mapping
+/// (who/where) with the dynamic state (what the minion is doing).
+/// </summary>
+/// <param name="AgentId">Agent identifier, e.g. "rex".</param>
+/// <param name="DisplayName">Human-readable minion name, e.g. "Rex".</param>
+/// <param name="Side">Which side of the dashboard — Dev or Business.</param>
+/// <param name="PositionIndex">Position within the side (0-based).</param>
+/// <param name="State">Current minion animation state.</param>
+/// <param name="Timestamp">ISO 8601 timestamp of the state change.</param>
+public record MinionStateUpdate(
+    string AgentId,
+    string DisplayName,
+    MinionSide Side,
+    int PositionIndex,
+    MinionState State,
+    string Timestamp
+);

backend/ControlCenter/Program.cs

@@ -0,0 +1,77 @@
+using System.Reflection;
+using ControlCenter.Hubs;
+using ControlCenter.Services;
+
+var builder = WebApplication.CreateBuilder(args);
+
+// ── API Services ───────────────────────────────────────────
+builder.Services.AddControllers();
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen(c =>
+{
+    c.SwaggerDoc("v1", new()
+    {
+        Title = "Control Center API",
+        Version = "v1",
+        Description = "OpenClaw Control Center — Command Hub backend with SignalR real-time updates"
+    });
+
+    // Include XML doc comments in Swagger output
+    var xmlFile = $"{Assembly.GetExecutingAssembly().GetName().Name}.xml";
+    var xmlPath = Path.Combine(AppContext.BaseDirectory, xmlFile);
+    if (File.Exists(xmlPath))
+    {
+        c.IncludeXmlComments(xmlPath);
+    }
+});
+
+// ── CORS (kiosk + remote browser) ─────────────────────────
+// The Control Center frontend runs on a different origin than the backend.
+// SignalR requires credentials for WebSocket transport, so we use
+// specific origins rather than AllowAnyOrigin.
+var corsOrigins = builder.Configuration.GetSection("Cors:AllowedOrigins")
+    .Get<string[]>() ?? new[] { "http://localhost:4200", "http://localhost:5000" };
+
+builder.Services.AddCors(options =>
+{
+    options.AddDefaultPolicy(policy =>
+    {
+        policy.WithOrigins(corsOrigins)
+              .AllowAnyMethod()
+              .AllowAnyHeader()
+              .AllowCredentials(); // Required for SignalR WebSocket
+    });
+});
+
+// ── SignalR (real-time agent status updates) ───────────────
+builder.Services.AddSignalR();
+
+// ── Gateway Bridge Service ────────────────────────────────
+// Background service that connects to the OpenClaw Gateway WebSocket
+// and bridges events to the AgentStatus SignalR hub.
+builder.Services.AddSingleton<GatewayEventBridgeService>();
+builder.Services.AddHostedService(sp => sp.GetRequiredService<GatewayEventBridgeService>());
+
+// ── Agent-Minion Mapper Service ────────────────────────────
+// Maps agents to minion sprites/positions and publishes state
+// updates through SignalR.
+builder.Services.AddSingleton<AgentMinionMapperService>();
+
+var app = builder.Build();
+
+// ── Middleware ──────────────────────────────────────────────
+if (app.Environment.IsDevelopment())
+{
+    app.UseSwagger();
+    app.UseSwaggerUI();
+}
+
+app.UseCors();
+app.UseAuthorization();
+app.MapControllers();
+
+// ── Hub Endpoints ───────────────────────────────────────────
+// Agent status hub at /hubs/agent-status (matches the design spec)
+app.MapHub<AgentStatusHub>("/hubs/agent-status");
+
+app.Run();

backend/ControlCenter/Properties/launchSettings.json

@@ -0,0 +1,14 @@
+{
+  "$schema": "https://json.schemastore.org/launchsettings.json",
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": false,
+      "applicationUrl": "http://localhost:5053",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

backend/ControlCenter/Services/AgentMinionMapperService.cs

@@ -0,0 +1,193 @@
+using ControlCenter.Hubs;
+using ControlCenter.Models;
+using Microsoft.AspNetCore.SignalR;
+
+namespace ControlCenter.Services;
+
+/// <summary>
+/// Service that maps Linear agents to minion sprites and positions
+/// in the Control Center dashboard.
+///
+/// <para>Static mappings define where each minion appears:</para>
+/// <list type="bullet">
+///   <item>Dev side: Rex (0), Dex (1), Hex (2)</item>
+///   <item>Business side: Larry (0), Mel (1), Buzz (2)</item>
+/// </list>
+///
+/// <para>Dynamic state is derived from the agent's <see cref="AgentStatus"/>:</para>
+/// <list type="bullet">
+///   <item><c>Active</c> → <see cref="MinionState.Active"/></item>
+///   <item><c>Idle</c> → <see cref="MinionState.Idle"/></item>
+///   <item><c>Thinking</c> → <see cref="MinionState.Thinking"/></item>
+///   <item><c>Error</c> → <see cref="MinionState.Error"/></item>
+/// </list>
+///
+/// <para>State updates are published through the <see cref="AgentStatusHub"/>
+/// SignalR hub so that connected clients can animate minion sprites
+/// in real time.</para>
+/// </summary>
+public class AgentMinionMapperService
+{
+    private readonly ILogger<AgentMinionMapperService> _logger;
+    private readonly IHubContext<AgentStatusHub, IAgentStatusClient> _hubContext;
+
+    /// <summary>
+    /// Static agent-to-minion mapping table. Defines which side and position
+    /// each agent's minion occupies on the dashboard.
+    /// </summary>
+    private static readonly Dictionary<string, AgentMinionMapping> Mappings = new()
+    {
+        // ── Dev Side ──────────────────────────────────
+        ["rex"] = new AgentMinionMapping("rex", MinionSide.Dev, 0, "Rex"),
+        ["dex"] = new AgentMinionMapping("dex", MinionSide.Dev, 1, "Dex"),
+        ["hex"] = new AgentMinionMapping("hex", MinionSide.Dev, 2, "Hex"),
+
+        // ── Business Side ─────────────────────────────
+        ["larry"] = new AgentMinionMapping("larry", MinionSide.Business, 0, "Larry"),
+        ["mel"]   = new AgentMinionMapping("mel",   MinionSide.Business, 1, "Mel"),
+        ["buzz"]  = new AgentMinionMapping("buzz",  MinionSide.Business, 2, "Buzz"),
+    };
+
+    /// <summary>
+    /// Maps <see cref="AgentStatus"/> string values to <see cref="MinionState"/>.
+    /// </summary>
+    private static readonly Dictionary<string, MinionState> StatusToMinionState = new()
+    {
+        ["active"]   = MinionState.Active,
+        ["idle"]     = MinionState.Idle,
+        ["thinking"] = MinionState.Thinking,
+        ["error"]    = MinionState.Error,
+    };
+
+    public AgentMinionMapperService(
+        ILogger<AgentMinionMapperService> logger,
+        IHubContext<AgentStatusHub, IAgentStatusClient> hubContext)
+    {
+        _logger = logger;
+        _hubContext = hubContext;
+    }
+
+    /// <summary>
+    /// Gets the minion mapping for a given agent ID.
+    /// Returns null if the agent is not mapped to a minion position.
+    /// </summary>
+    /// <param name="agentId">The agent identifier, e.g. "rex", "dex".</param>
+    /// <returns>The mapping record, or null if unmapped.</returns>
+    public AgentMinionMapping? GetMapping(string agentId)
+    {
+        return Mappings.GetValueOrDefault(agentId?.ToLowerInvariant() ?? string.Empty);
+    }
+
+    /// <summary>
+    /// Gets all minion mappings, ordered by side then position index.
+    /// </summary>
+    /// <returns>All mappings, sorted for consistent display order.</returns>
+    public IReadOnlyList<AgentMinionMapping> GetAllMappings()
+    {
+        return Mappings.Values
+            .OrderBy(m => m.Side)
+            .ThenBy(m => m.PositionIndex)
+            .ToList();
+    }
+
+    /// <summary>
+    /// Converts an agent status string to a <see cref="MinionState"/>.
+    /// Falls back to <see cref="MinionState.Idle"/> for unrecognized statuses.
+    /// </summary>
+    /// <param name="status">Agent status string: "active", "idle", "thinking", or "error".</param>
+    /// <returns>The corresponding minion state.</returns>
+    public MinionState StatusToState(string status)
+    {
+        return StatusToMinionState.GetValueOrDefault(
+            status?.ToLowerInvariant() ?? string.Empty,
+            MinionState.Idle);
+    }
+
+    /// <summary>
+    /// Publishes a minion state update through SignalR when an agent's
+    /// status changes. Only publishes for agents that have a minion mapping.
+    ///
+    /// <para>This is the primary integration point: the
+    /// <see cref="GatewayEventBridgeService"/> calls this method
+    /// whenever it detects a status change from the OpenClaw Gateway.</para>
+    /// </summary>
+    /// <param name="agentId">The agent whose status changed, e.g. "dex".</param>
+    /// <param name="status">The new status string: "active", "idle", "thinking", or "error".</param>
+    /// <returns>A task that completes when the SignalR message has been sent.</returns>
+    public async Task PublishMinionStateUpdateAsync(string agentId, string status)
+    {
+        var mapping = GetMapping(agentId);
+        if (mapping is null)
+        {
+            _logger.LogDebug("No minion mapping for agent {AgentId}; skipping state update", agentId);
+            return;
+        }
+
+        var minionState = StatusToState(status);
+        var update = new MinionStateUpdate(
+            AgentId: mapping.AgentId,
+            DisplayName: mapping.DisplayName,
+            Side: mapping.Side,
+            PositionIndex: mapping.PositionIndex,
+            State: minionState,
+            Timestamp: DateTime.UtcNow.ToString("o")
+        );
+
+        // Broadcast to the fleet group (all subscribers)
+        await _hubContext.Clients.Group(AgentStatusHub.FleetGroupName)
+            .AgentStatusChanged(ToAgentStatusUpdate(agentId, status));
+
+        // Also push to the specific agent's group
+        var agentGroup = AgentStatusHub.AgentGroupName(agentId);
+        await _hubContext.Clients.Group(agentGroup)
+            .AgentStatusChanged(ToAgentStatusUpdate(agentId, status));
+
+        _logger.LogInformation(
+            "Minion state update: {AgentId} → {State} (Side: {Side}, Position: {Index})",
+            agentId, minionState, mapping.Side, mapping.PositionIndex);
+    }
+
+    /// <summary>
+    /// Gets the current minion state for all mapped agents, suitable
+    /// for building an initial fleet snapshot.
+    /// </summary>
+    /// <returns>All minion mappings with their current (idle) state.</returns>
+    public IReadOnlyList<MinionStateUpdate> GetFullMinionState()
+    {
+        return Mappings.Values
+            .OrderBy(m => m.Side)
+            .ThenBy(m => m.PositionIndex)
+            .Select(m => new MinionStateUpdate(
+                AgentId: m.AgentId,
+                DisplayName: m.DisplayName,
+                Side: m.Side,
+                PositionIndex: m.PositionIndex,
+                State: MinionState.Idle,
+                Timestamp: DateTime.UtcNow.ToString("o")))
+            .ToList();
+    }
+
+    /// <summary>
+    /// Converts a status string to an <see cref="AgentStatusUpdate"/>
+    /// for SignalR push. Uses the mapping table for display names and roles.
+    /// </summary>
+    private AgentStatusUpdate ToAgentStatusUpdate(string agentId, string status)
+    {
+        var mapping = GetMapping(agentId);
+        var displayName = mapping?.DisplayName ?? char.ToUpperInvariant(agentId[0]) + agentId[1..];
+
+        return new AgentStatusUpdate(
+            AgentId: agentId,
+            DisplayName: displayName,
+            Role: mapping is not null
+                ? $"{mapping.Side} Agent"
+                : "Agent",
+            Status: status,
+            CurrentTask: null,
+            SessionKey: string.Empty,
+            Channel: string.Empty,
+            LastActivity: DateTime.UtcNow.ToString("o"),
+            ErrorMessage: status == "error" ? "Agent encountered an error" : null
+        );
+    }
+}

backend/ControlCenter/Services/GatewayEventBridgeService.cs

@@ -0,0 +1,523 @@
+using System.Collections.Concurrent;
+using System.Net.WebSockets;
+using System.Text;
+using System.Text.Json;
+using ControlCenter.Hubs;
+using Microsoft.AspNetCore.SignalR;
+
+namespace ControlCenter.Services;
+
+/// <summary>
+/// Background service that connects to the OpenClaw Gateway WebSocket
+/// and bridges Gateway events to the <see cref="Hubs.AgentStatusHub"/>.
+///
+/// <para>Architecture:</para>
+/// <list type="number">
+///   <item>Connects to the Gateway WS endpoint (configurable via appsettings)</item>
+///   <item>Handles the v3 protocol handshake (challenge → connect → hello-ok)</item>
+///   <item>Subscribes to <c>sessions.changed</c> and related events</item>
+///   <item>Translates session state changes into <see cref="AgentStatusUpdate"/>
+///         and <see cref="TaskProgressUpdate"/> objects</item>
+///   <item>Pushes updates through the <see cref="Hubs.AgentStatusHub"/> SignalR hub</item>
+/// </list>
+///
+/// <para>This is the server-side bridge that allows Angular clients to
+/// receive real-time updates via SignalR instead of connecting directly
+/// to the Gateway WebSocket.</para>
+/// </summary>
+public class GatewayEventBridgeService : BackgroundService
+{
+    private readonly ILogger<GatewayEventBridgeService> _logger;
+    private readonly IHubContext<Hubs.AgentStatusHub, Hubs.IAgentStatusClient> _hubContext;
+    private readonly IConfiguration _configuration;
+
+    /// <summary>
+    /// In-memory fleet state — maps agent IDs to their latest card data.
+    /// Updated on every <c>sessions.changed</c> event from the Gateway.
+    /// </summary>
+    private readonly ConcurrentDictionary<string, AgentCardData> _fleetState = new();
+
+    /// <summary>
+    /// Known agent roles for display in the Command Hub.
+    /// Maps agent IDs to their functional descriptions.
+    /// </summary>
+    private static readonly Dictionary<string, string> AgentRoles = new()
+    {
+        ["main"] = "Primary Assistant",
+        ["otto"] = "Orchestrator Agent",
+        ["dave"] = "Network Admin Agent",
+        ["bob"] = "Content Writer Agent",
+        ["stuart"] = "Image & Creative Agent",
+        ["phil"] = "Home Automation Agent",
+        ["carl"] = "Security Agent",
+        ["larry"] = "Business Agent",
+        ["mel"] = "E-Commerce Agent",
+        ["norbert"] = "Product Agent",
+        ["jerry"] = "Market Research Agent",
+        ["rex"] = "Frontend Dev Agent",
+        ["dex"] = "Backend Dev Agent",
+        ["hex"] = "Database Agent",
+        ["pip"] = "Raspberry Pi Agent",
+        ["nano"] = "ESP32/Firmware Agent",
+        ["axiom"] = "Utility Agent",
+        ["bonnie"] = "Music Agent",
+        ["sketch"] = "UI/UX Design Agent",
+        ["flip"] = "Mobile Dev Agent",
+        ["buzz"] = "SEO Agent",
+        ["aries"] = "Companion Agent"
+    };
+
+    /// <summary>
+    /// Maps OpenClaw session status to <see cref="AgentStatus"/>.
+    /// </summary>
+    private static string MapSessionStatus(string? sessionStatus) => sessionStatus switch
+    {
+        "running" => "active",
+        "streaming" => "thinking",
+        "error" or "aborted" => "error",
+        "done" => "idle",
+        _ => "idle"
+    };
+
+    public GatewayEventBridgeService(
+        ILogger<GatewayEventBridgeService> logger,
+        IHubContext<Hubs.AgentStatusHub, Hubs.IAgentStatusClient> hubContext,
+        IConfiguration configuration)
+    {
+        _logger = logger;
+        _hubContext = hubContext;
+        _configuration = configuration;
+    }
+
+    /// <summary>
+    /// Returns the current fleet state snapshot.
+    /// Used by the hub's <c>GetFleetSnapshot</c> method and by the
+    /// <c>AgentsController</c> REST endpoint.
+    /// </summary>
+    public AgentCardData[] GetFleetSnapshot() =>
+        _fleetState.Values.ToArray();
+
+    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+    {
+        _logger.LogInformation("Gateway Event Bridge service starting");
+
+        while (!stoppingToken.IsCancellationRequested)
+        {
+            try
+            {
+                await ConnectAndListenAsync(stoppingToken);
+            }
+            catch (OperationCanceledException) when (stoppingToken.IsCancellationRequested)
+            {
+                _logger.LogInformation("Gateway Event Bridge service stopping");
+                break;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Gateway connection lost, reconnecting in 5 seconds...");
+                await Task.Delay(TimeSpan.FromSeconds(5), stoppingToken);
+            }
+        }
+    }
+
+    /// <summary>
+    /// Connects to the OpenClaw Gateway WebSocket and processes events
+    /// until the connection is lost or cancellation is requested.
+    /// </summary>
+    private async Task ConnectAndListenAsync(CancellationToken stoppingToken)
+    {
+        var gatewayUrl = _configuration["Gateway:WebSocketUrl"]
+            ?? "ws://localhost:3271/ws";
+        var authToken = _configuration["Gateway:AuthToken"] ?? string.Empty;
+
+        _logger.LogInformation("Connecting to Gateway at {Url}", gatewayUrl);
+
+        using var ws = new ClientWebSocket();
+
+        // Set auth header if available
+        if (!string.IsNullOrEmpty(authToken))
+        {
+            ws.Options.SetRequestHeader("Authorization", $"Bearer {authToken}");
+        }
+
+        await ws.ConnectAsync(new Uri(gatewayUrl), stoppingToken);
+        _logger.LogInformation("Connected to Gateway WebSocket");
+
+        // Start receiving messages
+        await ReceiveMessagesAsync(ws, stoppingToken);
+    }
+
+    /// <summary>
+    /// Receives and processes WebSocket messages from the Gateway.
+    /// Handles the v3 protocol handshake and dispatches events.
+    /// </summary>
+    private async Task ReceiveMessagesAsync(ClientWebSocket ws, CancellationToken stoppingToken)
+    {
+        var buffer = new byte[8192];
+        var messageBuilder = new StringBuilder();
+
+        while (ws.State == WebSocketState.Open && !stoppingToken.IsCancellationRequested)
+        {
+            WebSocketReceiveResult result;
+            try
+            {
+                result = await ws.ReceiveAsync(buffer, stoppingToken);
+            }
+            catch (WebSocketException ex)
+            {
+                _logger.LogWarning(ex, "WebSocket receive error");
+                break;
+            }
+
+            if (result.MessageType == WebSocketMessageType.Close)
+            {
+                _logger.LogInformation("Gateway WebSocket closed by server");
+                break;
+            }
+
+            messageBuilder.Append(Encoding.UTF8.GetString(buffer, 0, result.Count));
+
+            if (result.EndOfMessage)
+            {
+                var message = messageBuilder.ToString();
+                messageBuilder.Clear();
+                await ProcessMessageAsync(ws, message, stoppingToken);
+            }
+        }
+    }
+
+    /// <summary>
+    /// Processes a single WebSocket message from the Gateway.
+    /// Routes based on the message type: event, response, or challenge.
+    /// </summary>
+    private async Task ProcessMessageAsync(
+        ClientWebSocket ws, string message, CancellationToken stoppingToken)
+    {
+        try
+        {
+            using var doc = JsonDocument.Parse(message);
+            var root = doc.RootElement;
+
+            var type = root.GetProperty("type").GetString();
+
+            switch (type)
+            {
+                case "event":
+                    await HandleGatewayEventAsync(root);
+                    break;
+
+                case "res":
+                    HandleGatewayResponse(root);
+                    break;
+            }
+
+            // Special handling for connect.challenge events
+            if (root.TryGetProperty("event", out var eventName) &&
+                eventName.GetString() == "connect.challenge")
+            {
+                await HandleConnectChallengeAsync(ws, root, stoppingToken);
+            }
+        }
+        catch (JsonException ex)
+        {
+            _logger.LogWarning(ex, "Failed to parse Gateway message: {Message}",
+                message.Length > 200 ? message[..200] + "..." : message);
+        }
+    }
+
+    /// <summary>
+    /// Handles the Gateway connect.challenge event by sending
+    /// a connect request with authentication credentials.
+    /// </summary>
+    private async Task HandleConnectChallengeAsync(
+        ClientWebSocket ws, JsonElement root, CancellationToken stoppingToken)
+    {
+        _logger.LogInformation("Received connect.challenge from Gateway");
+
+        var connectRequest = new
+        {
+            type = "req",
+            id = $"bridge-{Guid.NewGuid():N}",
+            method = "connect",
+            @params = new
+            {
+                minProtocol = 3,
+                maxProtocol = 3,
+                client = new
+                {
+                    id = "control-center-backend",
+                    version = "1.0.0",
+                    platform = "server",
+                    mode = "operator"
+                },
+                role = "operator",
+                scopes = new[] { "operator.read", "operator.write" },
+                auth = new
+                {
+                    token = _configuration["Gateway:AuthToken"] ?? string.Empty
+                },
+                locale = "en-US",
+                userAgent = "control-center-backend/1.0.0"
+            }
+        };
+
+        var json = JsonSerializer.Serialize(connectRequest);
+        var bytes = Encoding.UTF8.GetBytes(json);
+        await ws.SendAsync(bytes, WebSocketMessageType.Text, true, stoppingToken);
+    }
+
+    /// <summary>
+    /// Handles a Gateway event message by dispatching to the
+    /// appropriate handler based on event name.
+    /// </summary>
+    private async Task HandleGatewayEventAsync(JsonElement root)
+    {
+        if (!root.TryGetProperty("event", out var eventProp)) return;
+        var eventName = eventProp.GetString();
+
+        _logger.LogDebug("Gateway event: {Event}", eventName);
+
+        switch (eventName)
+        {
+            case "sessions.changed":
+                await HandleSessionsChangedAsync(root);
+                break;
+
+            case "session.message":
+                HandleSessionMessage(root);
+                break;
+
+            case "session.tool":
+                HandleSessionTool(root);
+                break;
+
+            case "health":
+                HandleHealthEvent(root);
+                break;
+        }
+    }
+
+    /// <summary>
+    /// Handles a sessions.changed event from the Gateway.
+    /// Updates the fleet state and pushes status changes through SignalR.
+    /// </summary>
+    private async Task HandleSessionsChangedAsync(JsonElement root)
+    {
+        if (!root.TryGetProperty("payload", out var payload)) return;
+
+        // The payload may contain a snapshot of all sessions
+        if (payload.TryGetProperty("snapshot", out var snapshot) &&
+            snapshot.ValueKind == JsonValueKind.Array)
+        {
+            foreach (var session in snapshot.EnumerateArray())
+            {
+                var cardData = SessionToCardData(session);
+                if (cardData is null) continue;
+
+                _fleetState[cardData.Id] = cardData;
+
+                var update = new AgentStatusUpdate(
+                    AgentId: cardData.Id,
+                    DisplayName: cardData.DisplayName,
+                    Role: cardData.Role,
+                    Status: cardData.Status,
+                    CurrentTask: cardData.CurrentTask,
+                    SessionKey: cardData.SessionKey,
+                    Channel: cardData.Channel,
+                    LastActivity: cardData.LastActivity,
+                    ErrorMessage: cardData.ErrorMessage
+                );
+
+                await _hubContext.PushAgentStatusAsync(update);
+            }
+        }
+
+        // Handle individual updates/added/removed
+        if (payload.TryGetProperty("updated", out var updated) &&
+            updated.ValueKind == JsonValueKind.Array)
+        {
+            foreach (var sessionKey in updated.EnumerateArray())
+            {
+                _logger.LogDebug("Session updated: {Key}", sessionKey.GetString());
+            }
+        }
+    }
+
+    /// <summary>
+    /// Handles a session.message event. Updates the agent's last activity
+    /// and pushes a status update if the status changed.
+    /// </summary>
+    private void HandleSessionMessage(JsonElement root)
+    {
+        if (!root.TryGetProperty("payload", out var payload)) return;
+        if (!payload.TryGetProperty("sessionKey", out var sessionKeyProp)) return;
+
+        var sessionKey = sessionKeyProp.GetString() ?? string.Empty;
+        var agentId = ExtractAgentId(sessionKey);
+
+        if (string.IsNullOrEmpty(agentId)) return;
+
+        // Update last activity timestamp
+        if (_fleetState.TryGetValue(agentId, out var existing))
+        {
+            _fleetState[agentId] = existing with
+            {
+                LastActivity = DateTime.UtcNow.ToString("o"),
+                Status = "active"
+            };
+        }
+    }
+
+    /// <summary>
+    /// Handles a session.tool event. Extracts tool progress information
+    /// and pushes a <see cref="TaskProgressUpdate"/> through SignalR.
+    /// </summary>
+    private void HandleSessionTool(JsonElement root)
+    {
+        if (!root.TryGetProperty("payload", out var payload)) return;
+        if (!payload.TryGetProperty("sessionKey", out var sessionKeyProp)) return;
+
+        var sessionKey = sessionKeyProp.GetString() ?? string.Empty;
+        var agentId = ExtractAgentId(sessionKey);
+
+        if (string.IsNullOrEmpty(agentId)) return;
+
+        var toolName = payload.TryGetProperty("toolName", out var tn) ? tn.GetString() : null;
+        var toolStatus = payload.TryGetProperty("status", out var ts) ? ts.GetString() : null;
+
+        if (toolName is null || toolStatus is null) return;
+
+        var progress = toolStatus switch
+        {
+            "started" => 0,
+            "completed" => 100,
+            _ => (int?)null
+        };
+
+        var update = new TaskProgressUpdate(
+            AgentId: agentId,
+            TaskDescription: $"{toolName} ({toolStatus})",
+            Progress: progress,
+            Elapsed: null
+        );
+
+        // Fire and forget — don't block the event loop
+        _ = _hubContext.PushTaskProgressAsync(update);
+    }
+
+    /// <summary>
+    /// Handles a health event from the Gateway.
+    /// Logs the health status for diagnostics.
+    /// </summary>
+    private void HandleHealthEvent(JsonElement root)
+    {
+        if (!root.TryGetProperty("payload", out var payload)) return;
+
+        var ok = payload.TryGetProperty("ok", out var okProp) && okProp.GetBoolean();
+        var status = payload.TryGetProperty("status", out var s) ? s.GetString() : "unknown";
+
+        _logger.LogInformation("Gateway health: ok={Ok}, status={Status}", ok, status);
+    }
+
+    /// <summary>
+    /// Handles a Gateway response message. Currently only logs for diagnostics.
+    /// </summary>
+    private void HandleGatewayResponse(JsonElement root)
+    {
+        if (root.TryGetProperty("ok", out var okProp) && okProp.GetBoolean())
+        {
+            _logger.LogDebug("Gateway RPC response OK");
+
+            // Check for hello-ok after connect
+            if (root.TryGetProperty("payload", out var payload) &&
+                payload.TryGetProperty("type", out var typeProp) &&
+                typeProp.GetString() == "hello-ok")
+            {
+                _logger.LogInformation("Gateway handshake complete (hello-ok received)");
+            }
+        }
+        else if (root.TryGetProperty("error", out var error))
+        {
+            var errorMsg = error.TryGetProperty("message", out var msg)
+                ? msg.GetString() : "unknown error";
+            _logger.LogWarning("Gateway RPC error: {Error}", errorMsg);
+        }
+    }
+
+    /// <summary>
+    /// Converts a raw Gateway session JSON element into an
+    /// <see cref="AgentCardData"/> record.
+    /// </summary>
+    private AgentCardData? SessionToCardData(JsonElement session)
+    {
+        // Extract agent ID from session key or agentId field
+        string? agentId = null;
+        if (session.TryGetProperty("agentId", out var aid))
+            agentId = aid.GetString();
+        else if (session.TryGetProperty("key", out var key))
+            agentId = ExtractAgentId(key.GetString() ?? string.Empty);
+
+        if (string.IsNullOrEmpty(agentId)) return null;
+
+        var sessionKey = session.TryGetProperty("key", out var sk)
+            ? sk.GetString() ?? string.Empty : string.Empty;
+
+        var status = session.TryGetProperty("status", out var s)
+            ? MapSessionStatus(s.GetString()) : "idle";
+
+        var channel = ExtractChannel(session);
+
+        var lastActivity = session.TryGetProperty("updatedAt", out var ua)
+            ? DateTimeOffset.FromUnixTimeMilliseconds(ua.GetInt64()).ToString("o")
+            : DateTime.UtcNow.ToString("o");
+
+        var displayName = char.ToUpperInvariant(agentId![0]) + agentId[1..];
+        var role = AgentRoles.GetValueOrDefault(agentId!, "Agent");
+
+        return new AgentCardData(
+            Id: agentId!,
+            DisplayName: displayName,
+            Role: role,
+            Status: status,
+            CurrentTask: null,
+            TaskProgress: null,
+            TaskElapsed: null,
+            SessionKey: sessionKey,
+            Channel: channel,
+            LastActivity: lastActivity,
+            ErrorMessage: status == "error" ? "Agent encountered an error" : null
+        );
+    }
+
+    /// <summary>
+    /// Extracts the agent ID from a session key.
+    /// Session key format: "agent:{agentId}:{channel}:..."
+    /// </summary>
+    private static string? ExtractAgentId(string sessionKey)
+    {
+        if (string.IsNullOrEmpty(sessionKey)) return null;
+
+        var parts = sessionKey.Split(':');
+        if (parts.Length >= 2 && parts[0] == "agent")
+            return parts[1];
+
+        return null;
+    }
+
+    /// <summary>
+    /// Extracts the channel from a session element.
+    /// </summary>
+    private static string ExtractChannel(JsonElement session)
+    {
+        // Try direct "channel" property
+        if (session.TryGetProperty("channel", out var ch))
+            return ch.GetString() ?? "unknown";
+
+        // Try origin.provider
+        if (session.TryGetProperty("origin", out var origin) &&
+            origin.TryGetProperty("provider", out var provider))
+            return provider.GetString() ?? "unknown";
+
+        return "unknown";
+    }
+}

backend/ControlCenter/appsettings.Development.json

@@ -0,0 +1,19 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Debug",
+      "Microsoft.AspNetCore": "Information",
+      "ControlCenter": "Debug"
+    }
+  },
+  "Gateway": {
+    "WebSocketUrl": "ws://localhost:3271/ws",
+    "AuthToken": ""
+  },
+  "Cors": {
+    "AllowedOrigins": [
+      "http://localhost:4200",
+      "http://localhost:5000"
+    ]
+  }
+}

backend/ControlCenter/appsettings.json

@@ -0,0 +1,22 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning",
+      "ControlCenter": "Debug"
+    }
+  },
+  "AllowedHosts": "*",
+
+  "Gateway": {
+    "WebSocketUrl": "ws://localhost:3271/ws",
+    "AuthToken": ""
+  },
+
+  "Cors": {
+    "AllowedOrigins": [
+      "http://localhost:4200",
+      "http://localhost:5000"
+    ]
+  }
+}

backend/Data/AppDbContext.cs

@@ -0,0 +1,29 @@
+using ControlCenter.Api.Configurations;
+using ControlCenter.Api.Entities;
+using Microsoft.EntityFrameworkCore;
+
+namespace ControlCenter.Api.Data;
+
+/// <summary>
+/// EF Core DbContext for the Control Center database.
+/// All table and column names use snake_case via explicit HasColumnName configuration.
+/// </summary>
+public class AppDbContext : DbContext
+{
+    public AppDbContext(DbContextOptions<AppDbContext> options) : base(options) { }
+
+    public DbSet<Agent> Agents => Set<Agent>();
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        // Apply all entity type configurations from the Configurations namespace
+        modelBuilder.ApplyConfigurationsFromAssembly(typeof(AgentConfiguration).Assembly);
+
+        // Map the AgentStatus enum to a PostgreSQL enum type named "agent_status"
+        // This must be called after ApplyConfigurations to ensure the model is built
+        // before the enum mapping is applied.
+        modelBuilder.HasPostgresEnum<AgentStatus>();
+
+        base.OnModelCreating(modelBuilder);
+    }
+}

backend/Data/AppDbContextFactory.cs

@@ -0,0 +1,27 @@
+using Microsoft.EntityFrameworkCore;
+using ControlCenter.Api.Entities;
+
+namespace ControlCenter.Api.Data;
+
+/// <summary>
+/// Design-time factory for AppDbContext, used by EF Core tools (dotnet ef)
+/// to create migrations without requiring a running application.
+/// </summary>
+public class AppDbContextFactory : Microsoft.EntityFrameworkCore.Design.IDesignTimeDbContextFactory<AppDbContext>
+{
+    public AppDbContext CreateDbContext(string[] args)
+    {
+        var optionsBuilder = new DbContextOptionsBuilder<AppDbContext>();
+
+        // Connection string for design-time operations (migrations).
+        // In production, this comes from appsettings / environment variables.
+        var connectionString = "Host=localhost;Database=control_center;Username=postgres;Password=postgres";
+
+        optionsBuilder.UseNpgsql(connectionString, npgsqlOptions =>
+        {
+            npgsqlOptions.MigrationsAssembly(typeof(AppDbContext).Assembly.FullName);
+        });
+
+        return new AppDbContext(optionsBuilder.Options);
+    }
+}

backend/Dtos/AgentStatusUpdateDto.cs

@@ -0,0 +1,75 @@
+namespace ControlCenter.Api.Dtos;
+
+/// <summary>
+/// Data transfer object for broadcasting agent status updates
+/// to all connected SignalR clients.
+/// </summary>
+public class AgentStatusUpdateDto
+{
+    /// <summary>
+    /// Agent identifier, e.g. "otto", "dex", "rex".
+    /// Not null — every update must identify the agent it refers to.
+    /// </summary>
+    public string AgentId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Human-readable display name, e.g. "Otto", "Dex".
+    /// Not null — used by clients to render agent cards.
+    /// </summary>
+    public string DisplayName { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Role description, e.g. "Orchestrator Agent", "Backend Specialist".
+    /// Not null — provides context for the agent's function.
+    /// </summary>
+    public string Role { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Current operational status of the agent.
+    /// Maps to <see cref="Entities.AgentStatus"/> values as lowercase strings:
+    /// "active", "idle", "thinking", "error".
+    /// </summary>
+    public string Status { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Description of the agent's current task, if any.
+    /// Null when the agent is idle with no active task.
+    /// </summary>
+    public string? CurrentTask { get; set; }
+
+    /// <summary>
+    /// Task progress percentage (0–100).
+    /// Null when progress is not trackable for the current task.
+    /// </summary>
+    public int? TaskProgress { get; set; }
+
+    /// <summary>
+    /// Elapsed time string for the current task, e.g. "04m 12s".
+    /// Null when no task is active.
+    /// </summary>
+    public string? TaskElapsed { get; set; }
+
+    /// <summary>
+    /// Full session key, e.g. "agent:otto:telegram:direct:8787451565".
+    /// Not null — uniquely identifies the agent session.
+    /// </summary>
+    public string SessionKey { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Communication channel the agent is operating on, e.g. "telegram", "discord", "slack".
+    /// Not null — every agent session operates on exactly one channel.
+    /// </summary>
+    public string Channel { get; set; } = string.Empty;
+
+    /// <summary>
+    /// ISO 8601 timestamp of the agent's last activity.
+    /// Not null — used by clients to detect stale connections.
+    /// </summary>
+    public string LastActivity { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Error message when the agent status is "error".
+    /// Null when the agent is not in an error state.
+    /// </summary>
+    public string? ErrorMessage { get; set; }
+}

backend/Entities/Agent.cs

@@ -0,0 +1,59 @@
+namespace ControlCenter.Api.Entities;
+
+/// <summary>
+/// Represents an agent's current state in the Control Center.
+/// Each row tracks one agent session's status, task, and activity.
+/// </summary>
+public class Agent
+{
+    /// <summary>
+    /// Primary key — UUID generated on insert.
+    /// </summary>
+    public Guid Id { get; set; }
+
+    /// <summary>
+    /// Current operational status of the agent.
+    /// Stored as an enum in PostgreSQL via Npgsql.
+    /// </summary>
+    public AgentStatus Status { get; set; } = AgentStatus.Idle;
+
+    /// <summary>
+    /// Description of the agent's current task, if any.
+    /// Nullable — not all agents have an active task.
+    /// </summary>
+    public string? Task { get; set; }
+
+    /// <summary>
+    /// Task progress percentage (0–100).
+    /// Nullable — progress is only meaningful when an agent has a trackable task.
+    /// </summary>
+    public int? Progress { get; set; }
+
+    /// <summary>
+    /// Full session key, e.g. "agent:otto:telegram:direct:8787451565".
+    /// Not null — every agent row must be associated with a session.
+    /// </summary>
+    public string SessionKey { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Communication channel the agent is operating on, e.g. "telegram", "discord", "slack".
+    /// Not null — every agent session operates on exactly one channel.
+    /// </summary>
+    public string Channel { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Timestamp of the agent's last activity.
+    /// Default: current UTC timestamp on insert.
+    /// </summary>
+    public DateTime LastActivity { get; set; } = DateTime.UtcNow;
+
+    /// <summary>
+    /// Row creation timestamp. Set automatically on insert.
+    /// </summary>
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+
+    /// <summary>
+    /// Row last-update timestamp. Updated automatically on any modification.
+    /// </summary>
+    public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
+}

backend/Entities/AgentStatus.cs

@@ -0,0 +1,13 @@
+namespace ControlCenter.Api.Entities;
+
+/// <summary>
+/// Agent operational status enum.
+/// Maps to the agent_status enum type in PostgreSQL.
+/// </summary>
+public enum AgentStatus
+{
+    Active = 0,
+    Idle = 1,
+    Thinking = 2,
+    Error = 3
+}

backend/Hubs/AgentStatusHub.cs

@@ -0,0 +1,155 @@
+using ControlCenter.Api.Dtos;
+using Microsoft.AspNetCore.SignalR;
+
+namespace ControlCenter.Api.Hubs;
+
+/// <summary>
+/// SignalR hub for broadcasting agent status updates to connected clients.
+///
+/// <para>
+/// Clients call <see cref="SendStatusUpdate"/> to broadcast a status change,
+/// and the hub relays it to all connected clients via the
+/// <see cref="IAgentStatusClient.AgentStatusChanged"/> callback.
+/// </para>
+///
+/// <para>
+/// Server-side code should use <see cref="AgentStatusHubExtensions.PushStatusUpdateAsync"/>
+/// via <c>IHubContext&lt;AgentStatusHub, IAgentStatusClient&gt;</c> for background-service broadcasts.
+/// </para>
+///
+/// <para>
+/// Architecture note: This hub bridges OpenClaw Gateway events to SignalR clients.
+/// A background service subscribes to Gateway events and pushes them through
+/// this hub's extension methods.
+/// </para>
+/// </summary>
+public class AgentStatusHub : Hub<IAgentStatusClient>
+{
+    private readonly ILogger<AgentStatusHub> _logger;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="AgentStatusHub"/> class.
+    /// </summary>
+    /// <param name="logger">Logger for diagnostic output.</param>
+    public AgentStatusHub(ILogger<AgentStatusHub> logger)
+    {
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// Broadcasts an agent status update to all connected clients.
+    ///
+    /// <para>
+    /// Any connected client (or server-side caller) can invoke this method
+    /// to push a status update to every subscriber. The update is relayed
+    /// through the <see cref="IAgentStatusClient.AgentStatusChanged"/> callback.
+    /// </para>
+    /// </summary>
+    /// <param name="update">The agent status update payload to broadcast.</param>
+    public async Task SendStatusUpdate(AgentStatusUpdateDto update)
+    {
+        _logger.LogInformation(
+            "Broadcasting status update for agent {AgentId}: {Status}",
+            update.AgentId, update.Status);
+
+        await Clients.All.AgentStatusChanged(update);
+    }
+
+    /// <summary>
+    /// Adds the calling connection to the fleet group.
+    /// Once joined, the client will receive all agent status updates.
+    /// </summary>
+    public async Task JoinFleet()
+    {
+        await Groups.AddToGroupAsync(Context.ConnectionId, FleetGroupName);
+        _logger.LogDebug("Connection {ConnectionId} joined fleet group", Context.ConnectionId);
+    }
+
+    /// <summary>
+    /// Removes the calling connection from the fleet group.
+    /// </summary>
+    public async Task LeaveFleet()
+    {
+        await Groups.RemoveFromGroupAsync(Context.ConnectionId, FleetGroupName);
+        _logger.LogDebug("Connection {ConnectionId} left fleet group", Context.ConnectionId);
+    }
+
+    /// <summary>
+    /// Overrides <see cref="Hub{T}.OnDisconnectedAsync"/> to log disconnections.
+    /// SignalR automatically removes disconnected connections from all groups.
+    /// </summary>
+    /// <param name="exception">Exception that caused the disconnection, if any.</param>
+    public override Task OnDisconnectedAsync(Exception? exception)
+    {
+        _logger.LogDebug("Connection {ConnectionId} disconnected", Context.ConnectionId);
+        return base.OnDisconnectedAsync(exception);
+    }
+
+    /// <summary>
+    /// The SignalR group name for the entire fleet (all agents).
+    /// </summary>
+    internal const string FleetGroupName = "fleet";
+}
+
+/// <summary>
+/// Strongly-typed client interface for the AgentStatus SignalR hub.
+/// Defines the methods the server can invoke on connected clients
+/// to push real-time agent status updates.
+/// </summary>
+public interface IAgentStatusClient
+{
+    /// <summary>
+    /// Pushes an agent status change to all subscribed clients.
+    /// Fired whenever an agent's operational status changes
+    /// (e.g., idle → active, active → thinking, active → error).
+    /// </summary>
+    /// <param name="update">The full status update payload.</param>
+    /// <returns>A Task that completes when the client has processed the update.</returns>
+    Task AgentStatusChanged(AgentStatusUpdateDto update);
+}
+
+/// <summary>
+/// Extension methods for pushing real-time agent updates through
+/// the <see cref="IHubContext{T}"/> of <see cref="AgentStatusHub"/>.
+///
+/// <para>
+/// These methods are intended to be called from background services
+/// or other server-side code that detects an agent state change,
+/// using the injected <c>IHubContext&lt;AgentStatusHub, IAgentStatusClient&gt;</c>.
+/// </para>
+/// </summary>
+public static class AgentStatusHubExtensions
+{
+    /// <summary>
+    /// Pushes an agent status update to all connected clients.
+    ///
+    /// <para>
+    /// Call this from any background service when an agent's
+    /// operational status changes (e.g., the Gateway reports a
+    /// session transition from "running" to "done").
+    /// </para>
+    /// </summary>
+    /// <param name="hubContext">The hub context injected via DI.</param>
+    /// <param name="update">The agent status update payload.</param>
+    /// <returns>A Task that completes when the message has been sent to all clients.</returns>
+    public static async Task PushStatusUpdateAsync(
+        this IHubContext<AgentStatusHub, IAgentStatusClient> hubContext,
+        AgentStatusUpdateDto update)
+    {
+        await hubContext.Clients.All.AgentStatusChanged(update);
+    }
+
+    /// <summary>
+    /// Pushes an agent status update to clients subscribed to the fleet group.
+    /// </summary>
+    /// <param name="hubContext">The hub context injected via DI.</param>
+    /// <param name="update">The agent status update payload.</param>
+    /// <returns>A Task that completes when the message has been sent to the fleet group.</returns>
+    public static async Task PushStatusUpdateToFleetAsync(
+        this IHubContext<AgentStatusHub, IAgentStatusClient> hubContext,
+        AgentStatusUpdateDto update)
+    {
+        await hubContext.Clients.Group(AgentStatusHub.FleetGroupName)
+            .AgentStatusChanged(update);
+    }
+}

backend/Migrations/20260426101703_CreateAgentsTable.Designer.cs

@@ -0,0 +1,94 @@
+// <auto-generated />
+using System;
+using ControlCenter.Api.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace ControlCenter.Api.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    [Migration("20260426101703_CreateAgentsTable")]
+    partial class CreateAgentsTable
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.4")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.HasPostgresEnum(modelBuilder, "agent_status", new[] { "active", "idle", "thinking", "error" });
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("ControlCenter.Api.Entities.Agent", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid")
+                        .HasColumnName("id");
+
+                    b.Property<string>("Channel")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("channel");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamptz")
+                        .HasColumnName("created_at")
+                        .HasDefaultValueSql("now()");
+
+                    b.Property<DateTime>("LastActivity")
+                        .HasColumnType("timestamptz")
+                        .HasColumnName("last_activity");
+
+                    b.Property<int?>("Progress")
+                        .HasColumnType("integer")
+                        .HasColumnName("progress");
+
+                    b.Property<string>("SessionKey")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("session_key");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("agent_status")
+                        .HasColumnName("status");
+
+                    b.Property<string>("Task")
+                        .HasColumnType("text")
+                        .HasColumnName("task");
+
+                    b.Property<DateTime>("UpdatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamptz")
+                        .HasColumnName("updated_at")
+                        .HasDefaultValueSql("now()");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Channel")
+                        .HasDatabaseName("ix_agents_channel");
+
+                    b.HasIndex("SessionKey")
+                        .IsUnique()
+                        .HasDatabaseName("ix_agents_session_key");
+
+                    b.HasIndex("Status")
+                        .HasDatabaseName("ix_agents_status");
+
+                    b.ToTable("agents", null, t =>
+                        {
+                            t.HasCheckConstraint("ck_agents_progress_range", "progress IS NULL OR (progress >= 0 AND progress <= 100)");
+                        });
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

backend/Migrations/20260426101703_CreateAgentsTable.cs

@@ -0,0 +1,61 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace ControlCenter.Api.Migrations
+{
+    /// <inheritdoc />
+    public partial class CreateAgentsTable : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterDatabase()
+                .Annotation("Npgsql:Enum:agent_status", "active,idle,thinking,error");
+
+            migrationBuilder.CreateTable(
+                name: "agents",
+                columns: table => new
+                {
+                    id = table.Column<Guid>(type: "uuid", nullable: false),
+                    status = table.Column<int>(type: "agent_status", nullable: false),
+                    task = table.Column<string>(type: "text", nullable: true),
+                    progress = table.Column<int>(type: "integer", nullable: true),
+                    session_key = table.Column<string>(type: "text", nullable: false),
+                    channel = table.Column<string>(type: "text", nullable: false),
+                    last_activity = table.Column<DateTime>(type: "timestamptz", nullable: false),
+                    created_at = table.Column<DateTime>(type: "timestamptz", nullable: false, defaultValueSql: "now()"),
+                    updated_at = table.Column<DateTime>(type: "timestamptz", nullable: false, defaultValueSql: "now()")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_agents", x => x.id);
+                    table.CheckConstraint("ck_agents_progress_range", "progress IS NULL OR (progress >= 0 AND progress <= 100)");
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "ix_agents_channel",
+                table: "agents",
+                column: "channel");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_agents_session_key",
+                table: "agents",
+                column: "session_key",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "ix_agents_status",
+                table: "agents",
+                column: "status");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "agents");
+        }
+    }
+}

backend/Migrations/AppDbContextModelSnapshot.cs

@@ -0,0 +1,91 @@
+// <auto-generated />
+using System;
+using ControlCenter.Api.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace ControlCenter.Api.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    partial class AppDbContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.4")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.HasPostgresEnum(modelBuilder, "agent_status", new[] { "active", "idle", "thinking", "error" });
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("ControlCenter.Api.Entities.Agent", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid")
+                        .HasColumnName("id");
+
+                    b.Property<string>("Channel")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("channel");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamptz")
+                        .HasColumnName("created_at")
+                        .HasDefaultValueSql("now()");
+
+                    b.Property<DateTime>("LastActivity")
+                        .HasColumnType("timestamptz")
+                        .HasColumnName("last_activity");
+
+                    b.Property<int?>("Progress")
+                        .HasColumnType("integer")
+                        .HasColumnName("progress");
+
+                    b.Property<string>("SessionKey")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("session_key");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("agent_status")
+                        .HasColumnName("status");
+
+                    b.Property<string>("Task")
+                        .HasColumnType("text")
+                        .HasColumnName("task");
+
+                    b.Property<DateTime>("UpdatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamptz")
+                        .HasColumnName("updated_at")
+                        .HasDefaultValueSql("now()");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Channel")
+                        .HasDatabaseName("ix_agents_channel");
+
+                    b.HasIndex("SessionKey")
+                        .IsUnique()
+                        .HasDatabaseName("ix_agents_session_key");
+
+                    b.HasIndex("Status")
+                        .HasDatabaseName("ix_agents_status");
+
+                    b.ToTable("agents", null, t =>
+                        {
+                            t.HasCheckConstraint("ck_agents_progress_range", "progress IS NULL OR (progress >= 0 AND progress <= 100)");
+                        });
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

backend/Models/AgentState.cs

@@ -0,0 +1,19 @@
+namespace ControlCenter.Api.Models;
+
+/// <summary>
+/// Read-only model representing an agent's current state.
+/// Used as the return type from the Agent State Repository
+/// to decouple consumers from the persistence layer.
+/// </summary>
+public class AgentState
+{
+    public Guid Id { get; set; }
+    public string Status { get; set; } = string.Empty;
+    public string? Task { get; set; }
+    public int? Progress { get; set; }
+    public string SessionKey { get; set; } = string.Empty;
+    public string Channel { get; set; } = string.Empty;
+    public DateTime LastActivity { get; set; }
+    public DateTime CreatedAt { get; set; }
+    public DateTime UpdatedAt { get; set; }
+}

backend/Program.cs

@@ -0,0 +1,42 @@
+using ControlCenter.Api.Data;
+using ControlCenter.Api.Hubs;
+using ControlCenter.Api.Repositories;
+using Microsoft.EntityFrameworkCore;
+
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+builder.Services.AddOpenApi();
+
+// Register SignalR for real-time agent status updates
+builder.Services.AddSignalR();
+
+// Register Agent State Repository
+builder.Services.AddScoped<IAgentStateRepository, AgentStateRepository>();
+
+// Register DbContext with PostgreSQL
+builder.Services.AddDbContext<AppDbContext>(options =>
+{
+    var connectionString = builder.Configuration.GetConnectionString("DefaultConnection")
+        ?? "Host=localhost;Database=control_center;Username=postgres;Password=postgres";
+
+    options.UseNpgsql(connectionString, npgsqlOptions =>
+    {
+        npgsqlOptions.MigrationsAssembly(typeof(AppDbContext).Assembly.FullName);
+    });
+});
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment())
+{
+    app.MapOpenApi();
+}
+
+app.UseHttpsRedirection();
+
+// Map SignalR hubs
+app.MapHub<AgentStatusHub>("/hubs/agent-status");
+
+app.Run();

backend/Properties/launchSettings.json

@@ -0,0 +1,23 @@
+{
+  "$schema": "https://json.schemastore.org/launchsettings.json",
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": false,
+      "applicationUrl": "http://localhost:5178",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": false,
+      "applicationUrl": "https://localhost:7041;http://localhost:5178",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

backend/Repositories/AgentStateRepository.cs

@@ -0,0 +1,76 @@
+using ControlCenter.Api.Data;
+using ControlCenter.Api.Entities;
+using ControlCenter.Api.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace ControlCenter.Api.Repositories;
+
+/// <summary>
+/// EF Core implementation of the Agent State Repository.
+/// Maps between the persisted <see cref="Agent"/> entity and the
+/// read-oriented <see cref="AgentState"/> model.
+/// </summary>
+public class AgentStateRepository : IAgentStateRepository
+{
+    private readonly AppDbContext _db;
+
+    public AgentStateRepository(AppDbContext db)
+    {
+        _db = db;
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<AgentState>> GetAllAsync(CancellationToken ct = default)
+    {
+        var agents = await _db.Agents
+            .AsNoTracking()
+            .OrderByDescending(a => a.LastActivity)
+            .ToListAsync(ct);
+
+        return agents.Select(ToModel).ToList();
+    }
+
+    /// <inheritdoc />
+    public async Task<AgentState?> GetBySessionKeyAsync(string sessionKey, CancellationToken ct = default)
+    {
+        var agent = await _db.Agents
+            .AsNoTracking()
+            .FirstOrDefaultAsync(a => a.SessionKey == sessionKey, ct);
+
+        return agent is null ? null : ToModel(agent);
+    }
+
+    /// <inheritdoc />
+    public async Task<bool> UpdateStatusAsync(Guid id, string status, CancellationToken ct = default)
+    {
+        if (!Enum.TryParse<AgentStatus>(status, ignoreCase: true, out var parsedStatus))
+            return false;
+
+        var agent = await _db.Agents.FindAsync([id], ct);
+        if (agent is null)
+            return false;
+
+        agent.Status = parsedStatus;
+        agent.UpdatedAt = DateTime.UtcNow;
+        agent.LastActivity = DateTime.UtcNow;
+
+        await _db.SaveChangesAsync(ct);
+        return true;
+    }
+
+    /// <summary>
+    /// Maps a persisted <see cref="Agent"/> entity to a <see cref="AgentState"/> model.
+    /// </summary>
+    private static AgentState ToModel(Agent agent) => new()
+    {
+        Id = agent.Id,
+        Status = agent.Status.ToString(),
+        Task = agent.Task,
+        Progress = agent.Progress,
+        SessionKey = agent.SessionKey,
+        Channel = agent.Channel,
+        LastActivity = agent.LastActivity,
+        CreatedAt = agent.CreatedAt,
+        UpdatedAt = agent.UpdatedAt,
+    };
+}

backend/Repositories/IAgentStateRepository.cs

@@ -0,0 +1,27 @@
+using ControlCenter.Api.Models;
+
+namespace ControlCenter.Api.Repositories;
+
+/// <summary>
+/// Repository interface for accessing and mutating Agent State.
+/// Provides a clean abstraction over the EF Core data access layer.
+/// </summary>
+public interface IAgentStateRepository
+{
+    /// <summary>
+    /// Retrieve all agent states.
+    /// </summary>
+    Task<IReadOnlyList<AgentState>> GetAllAsync(CancellationToken ct = default);
+
+    /// <summary>
+    /// Retrieve a single agent state by its session key.
+    /// Returns null if no agent is found with the given session key.
+    /// </summary>
+    Task<AgentState?> GetBySessionKeyAsync(string sessionKey, CancellationToken ct = default);
+
+    /// <summary>
+    /// Update the status of an agent by its primary key.
+    /// Returns true if the agent was found and updated, false otherwise.
+    /// </summary>
+    Task<bool> UpdateStatusAsync(Guid id, string status, CancellationToken ct = default);
+}

backend/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

backend/appsettings.json

@@ -0,0 +1,12 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*",
+  "ConnectionStrings": {
+    "DefaultConnection": "Host=localhost;Database=control_center;Username=postgres;Password=postgres"
+  }
+}

frontend/.dockerignore

@@ -0,0 +1,33 @@
+# Dependencies
+node_modules/
+npm-debug.log*
+yarn-error.log
+
+# Build output (rebuilt in container)
+dist/
+out-tsc/
+
+# Angular cache
+.angular/cache/
+
+# IDE
+.idea/
+.vscode/
+*.sublime-workspace
+
+# OS files
+.DS_Store
+Thumbs.db
+
+# Git
+.git/
+.gitignore
+
+# Docker
+Dockerfile
+.dockerignore
+
+# Misc
+coverage/
+tmp/
+*.log

frontend/Dockerfile

@@ -0,0 +1,38 @@
+# ============================================================
+# Control Center Frontend — Multi-stage Docker Build
+# Angular 21 + nginx for static serving + API proxy
+# ============================================================
+
+# --- Build Stage ---
+FROM node:22-slim AS builder
+
+WORKDIR /app
+
+# Install dependencies first (layer caching)
+COPY package.json package-lock.json ./
+RUN npm ci
+
+# Copy source and build production bundle
+COPY . .
+RUN npm run build
+
+# --- Runtime Stage ---
+FROM nginx:1.27-alpine AS runtime
+
+# Remove default nginx config
+RUN rm /etc/nginx/conf.d/default.conf
+
+# Copy custom nginx config
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+# Copy built Angular app from builder stage
+COPY --from=builder /app/dist/frontend/browser /usr/share/nginx/html
+
+# Expose HTTP port
+EXPOSE 80
+
+# Health check — confirm nginx is serving
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+  CMD wget -qO- http://localhost/ || exit 1
+
+CMD ["nginx", "-g", "daemon off;"]

frontend/angular.json

@@ -53,7 +53,13 @@
             ],
             "styles": [
               "src/styles.scss"
-            ]
+            ],
+            "stylePreprocessorOptions": {
+              "includePaths": [
+"src",
+                "src/styles"
+              ]
+            }
           },
           "configurations": {
             "production": {

frontend/nginx.conf

@@ -0,0 +1,54 @@
+server {
+    listen 80;
+    server_name _;
+
+    root /usr/share/nginx/html;
+    index index.html;
+
+    # Gzip compression
+    gzip on;
+    gzip_vary on;
+    gzip_proxied any;
+    gzip_comp_level 6;
+    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript image/svg+xml;
+
+    # Cache static assets (Angular uses content hashes)
+    location /assets/ {
+        expires 1y;
+        add_header Cache-Control "public, immutable";
+    }
+
+    # Cache hashed JS/CSS bundles
+    location ~* \.(js|css)$ {
+        expires 1y;
+        add_header Cache-Control "public, immutable";
+    }
+
+    # Proxy API requests to backend
+    location /api/ {
+        proxy_pass http://backend:8080/api/;
+        proxy_http_version 1.1;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+    }
+
+    # Proxy SignalR WebSocket connections to backend
+    location /hubs/ {
+        proxy_pass http://backend:8080/hubs/;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_read_timeout 86400;
+    }
+
+    # Angular SPA — all other routes fall back to index.html
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+}

frontend/src/app/app.html

@@ -1,344 +1 @@
-<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
-<!-- * * * * * * * * * * * The content below * * * * * * * * * * * -->
-<!-- * * * * * * * * * * is only a placeholder * * * * * * * * * * -->
-<!-- * * * * * * * * * * and can be replaced.  * * * * * * * * * * -->
-<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
-<!-- * * * * * * * * * Delete the template below * * * * * * * * * -->
-<!-- * * * * * * * to get started with your project! * * * * * * * -->
-<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
-
-<style>
-  :host {
-    --bright-blue: oklch(51.01% 0.274 263.83);
-    --electric-violet: oklch(53.18% 0.28 296.97);
-    --french-violet: oklch(47.66% 0.246 305.88);
-    --vivid-pink: oklch(69.02% 0.277 332.77);
-    --hot-red: oklch(61.42% 0.238 15.34);
-    --orange-red: oklch(63.32% 0.24 31.68);
-
-    --gray-900: oklch(19.37% 0.006 300.98);
-    --gray-700: oklch(36.98% 0.014 302.71);
-    --gray-400: oklch(70.9% 0.015 304.04);
-
-    --red-to-pink-to-purple-vertical-gradient: linear-gradient(
-      180deg,
-      var(--orange-red) 0%,
-      var(--vivid-pink) 50%,
-      var(--electric-violet) 100%
-    );
-
-    --red-to-pink-to-purple-horizontal-gradient: linear-gradient(
-      90deg,
-      var(--orange-red) 0%,
-      var(--vivid-pink) 50%,
-      var(--electric-violet) 100%
-    );
-
-    --pill-accent: var(--bright-blue);
-
-    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
-      Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji",
-      "Segoe UI Symbol";
-    box-sizing: border-box;
-    -webkit-font-smoothing: antialiased;
-    -moz-osx-font-smoothing: grayscale;
-    display: block;
-    height: 100dvh;
-  }
-
-  h1 {
-    font-size: 3.125rem;
-    color: var(--gray-900);
-    font-weight: 500;
-    line-height: 100%;
-    letter-spacing: -0.125rem;
-    margin: 0;
-    font-family: "Inter Tight", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
-      Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji",
-      "Segoe UI Symbol";
-  }
-
-  p {
-    margin: 0;
-    color: var(--gray-700);
-  }
-
-  main {
-    width: 100%;
-    min-height: 100%;
-    display: flex;
-    justify-content: center;
-    align-items: center;
-    padding: 1rem;
-    box-sizing: inherit;
-    position: relative;
-  }
-
-  .angular-logo {
-    max-width: 9.2rem;
-  }
-
-  .content {
-    display: flex;
-    justify-content: space-around;
-    width: 100%;
-    max-width: 700px;
-    margin-bottom: 3rem;
-  }
-
-  .content h1 {
-    margin-top: 1.75rem;
-  }
-
-  .content p {
-    margin-top: 1.5rem;
-  }
-
-  .divider {
-    width: 1px;
-    background: var(--red-to-pink-to-purple-vertical-gradient);
-    margin-inline: 0.5rem;
-  }
-
-  .pill-group {
-    display: flex;
-    flex-direction: column;
-    align-items: start;
-    flex-wrap: wrap;
-    gap: 1.25rem;
-  }
-
-  .pill {
-    display: flex;
-    align-items: center;
-    --pill-accent: var(--bright-blue);
-    background: color-mix(in srgb, var(--pill-accent) 5%, transparent);
-    color: var(--pill-accent);
-    padding-inline: 0.75rem;
-    padding-block: 0.375rem;
-    border-radius: 2.75rem;
-    border: 0;
-    transition: background 0.3s ease;
-    font-family: var(--inter-font);
-    font-size: 0.875rem;
-    font-style: normal;
-    font-weight: 500;
-    line-height: 1.4rem;
-    letter-spacing: -0.00875rem;
-    text-decoration: none;
-    white-space: nowrap;
-  }
-
-  .pill:hover {
-    background: color-mix(in srgb, var(--pill-accent) 15%, transparent);
-  }
-
-  .pill-group .pill:nth-child(6n + 1) {
-    --pill-accent: var(--bright-blue);
-  }
-  .pill-group .pill:nth-child(6n + 2) {
-    --pill-accent: var(--electric-violet);
-  }
-  .pill-group .pill:nth-child(6n + 3) {
-    --pill-accent: var(--french-violet);
-  }
-
-  .pill-group .pill:nth-child(6n + 4),
-  .pill-group .pill:nth-child(6n + 5),
-  .pill-group .pill:nth-child(6n + 6) {
-    --pill-accent: var(--hot-red);
-  }
-
-  .pill-group svg {
-    margin-inline-start: 0.25rem;
-  }
-
-  .social-links {
-    display: flex;
-    align-items: center;
-    gap: 0.73rem;
-    margin-top: 1.5rem;
-  }
-
-  .social-links path {
-    transition: fill 0.3s ease;
-    fill: var(--gray-400);
-  }
-
-  .social-links a:hover svg path {
-    fill: var(--gray-900);
-  }
-
-  @media screen and (max-width: 650px) {
-    .content {
-      flex-direction: column;
-      width: max-content;
-    }
-
-    .divider {
-      height: 1px;
-      width: 100%;
-      background: var(--red-to-pink-to-purple-horizontal-gradient);
-      margin-block: 1.5rem;
-    }
-  }
-</style>
-
-<main class="main">
-  <div class="content">
-    <div class="left-side">
-      <svg
-        xmlns="http://www.w3.org/2000/svg"
-        viewBox="0 0 982 239"
-        fill="none"
-        class="angular-logo"
-      >
-        <g clip-path="url(#a)">
-          <path
-            fill="url(#b)"
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-        </g>
-        <defs>
-          <radialGradient
-            id="c"
-            cx="0"
-            cy="0"
-            r="1"
-            gradientTransform="rotate(118.122 171.182 60.81) scale(205.794)"
-            gradientUnits="userSpaceOnUse"
-          >
-            <stop stop-color="#FF41F8" />
-            <stop offset=".707" stop-color="#FF41F8" stop-opacity=".5" />
-            <stop offset="1" stop-color="#FF41F8" stop-opacity="0" />
-          </radialGradient>
-          <linearGradient
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-          </linearGradient>
-          <clipPath id="a"><path fill="#fff" d="M0 0h982v239H0z" /></clipPath>
-        </defs>
-      </svg>
-      <h1>Hello, {{ title() }}</h1>
-      <p>Congratulations! Your app is running. 🎉</p>
-    </div>
-    <div class="divider" role="separator" aria-label="Divider"></div>
-    <div class="right-side">
-      <div class="pill-group">
-        @for (item of [
-          { title: 'Explore the Docs', link: 'https://angular.dev' },
-          { title: 'Learn with Tutorials', link: 'https://angular.dev/tutorials' },
-          { title: 'Prompt and best practices for AI', link: 'https://angular.dev/ai/develop-with-ai'},
-          { title: 'CLI Docs', link: 'https://angular.dev/tools/cli' },
-          { title: 'Angular Language Service', link: 'https://angular.dev/tools/language-service' },
-          { title: 'Angular DevTools', link: 'https://angular.dev/tools/devtools' },
-        ]; track item.title) {
-          <a
-            class="pill"
-            [href]="item.link"
-            target="_blank"
-            rel="noopener"
-          >
-            <span>{{ item.title }}</span>
-            <svg
-              xmlns="http://www.w3.org/2000/svg"
-              height="14"
-              viewBox="0 -960 960 960"
-              width="14"
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-              />
-            </svg>
-          </a>
-        }
-      </div>
-      <div class="social-links">
-        <a
-          href="https://github.com/angular/angular"
-          aria-label="Github"
-          target="_blank"
-          rel="noopener"
-        >
-          <svg
-            width="25"
-            height="24"
-            viewBox="0 0 25 24"
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-          rel="noopener"
-        >
-          <svg
-            width="29"
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-</main>
-
-<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
-<!-- * * * * * * * * * * * The content above * * * * * * * * * * * * -->
-<!-- * * * * * * * * * * is only a placeholder * * * * * * * * * * * -->
-<!-- * * * * * * * * * * and can be replaced.  * * * * * * * * * * * -->
-<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
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-<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
-
-
-<router-outlet />
+<router-outlet />

frontend/src/app/app.ts

@@ -5,7 +5,7 @@ import { RouterOutlet } from '@angular/router';
   selector: 'app-root',
   standalone: true,
   imports: [RouterOutlet],
-  template: `<router-outlet />`,
+  template: '<router-outlet />',
   styles: [`
     :host {
       display: block;

frontend/src/app/command-hub/components/agent-card/agent-card.component.html

@@ -0,0 +1,100 @@
+<!-- ========================================================================== -->
+<!-- AgentCard — per spec Section 7.3                                            -->
+<!-- Integrates: Status Badge · Task Progress Bar · Quick‑Jump Button           -->
+<!-- Left‑border accent matches status color. role="article" + aria‑labels.     -->
+<!-- Enhanced: data-status attribute, elapsed time, design tokens.              -->
+<!-- ========================================================================== -->
+<article
+  class="agent-card"
+  role="article"
+  [attr.data-status]="status"
+  [attr.aria-label]="(displayName || agentId) + ' — ' + statusLabel()"
+  [style.border-left-color]="statusBorderColor()"
+  (click)="cardClick.emit(sessionKey)"
+  appLongPress
+  [appLongPressDuration]="500"
+  (appLongPress)="cardLongPress.emit(sessionKey)"
+  tabindex="0"
+>
+
+  <!-- ── Header: status badge + agent info ── -->
+  <div class="agent-card__header">
+    <div class="agent-card__badge" [attr.aria-label]="'Status: ' + statusLabel()">
+      <span
+        class="status-dot"
+        [ngClass]="[statusDotClass()]"
+      ></span>
+      <span class="agent-card__status-label">{{ statusLabel() }}</span>
+    </div>
+
+    <div class="agent-card__identity">
+      <span class="agent-card__name">{{ displayName || agentId }}</span>
+      <span class="agent-card__role">{{ role }}</span>
+    </div>
+  </div>
+
+  <!-- ── Body: current task ── -->
+  <div class="agent-card__body" *ngIf="task || isError()">
+    <p
+      class="agent-card__task"
+      [class.agent-card__task--error]="isError()"
+      [attr.aria-label]="'Current task: ' + (isError() ? errorMessage || task : task)"
+    >
+      {{ isError() ? errorMessage || task : task }}
+    </p>
+  </div>
+
+  <!-- ── Task Progress Bar ── -->
+  <div
+    class="agent-card__progress"
+    *ngIf="showProgress()"
+    [attr.aria-label]="'Task progress: ' + progress + '%'"
+  >
+    <mat-progress-bar
+      mode="determinate"
+      [value]="progress"
+      [aria-label]="'Progress ' + progress + '% complete'"
+    ></mat-progress-bar>
+    <span class="agent-card__progress-label text-mono">{{ progress }}%</span>
+  </div>
+
+  <!-- ── Elapsed Time ── -->
+  <div
+    class="agent-card__elapsed"
+    *ngIf="taskElapsed && isActiveLike()"
+    [attr.aria-label]="'Elapsed: ' + taskElapsed"
+  >
+    <mat-icon aria-hidden="true" class="agent-card__elapsed-icon">schedule</mat-icon>
+    <span class="text-mono">{{ taskElapsed }}</span>
+  </div>
+
+  <!-- ── Footer: channel + last activity + quick‑jump ── -->
+  <div class="agent-card__footer">
+    <div class="agent-card__meta">
+      <span
+        class="agent-card__channel text-mono"
+        [attr.aria-label]="'Channel: ' + channel"
+      >
+        <mat-icon aria-hidden="true">{{ channelIcon() }}</mat-icon>
+        {{ channel }}
+      </span>
+      <span
+        class="agent-card__last-activity text-mono"
+        [attr.aria-label]="'Last activity: ' + lastActivityLabel()"
+      >
+        {{ lastActivityLabel() }}
+      </span>
+    </div>
+
+    <!-- Quick‑Jump Button -->
+    <a
+      class="agent-card__jump"
+      mat-button
+      [routerLink]="jumpRoute()"
+      [attr.aria-label]="'Jump to session for ' + (displayName || agentId)"
+      matTooltip="Jump to session"
+    >
+      <mat-icon aria-hidden="true">arrow_forward</mat-icon>
+    </a>
+  </div>
+</article>

frontend/src/app/command-hub/components/agent-card/agent-card.component.scss

@@ -0,0 +1,267 @@
+// ============================================================================
+// AgentCard — M3 tactical dark styling
+// Per spec Section 7.3: left‑border accent, status‑aware coloring,
+// responsive card layout with 320px min‑width.
+// Enhanced: data-status selectors, elapsed time, design token imports.
+// ============================================================================
+
+@use 'tokens' as tokens;
+
+.agent-card {
+  display: flex;
+  flex-direction: column;
+  min-width: tokens.$cc-card-min-width;
+  padding: tokens.$cc-card-padding;
+  background-color: var(--cc-surface-container);
+  border-radius: tokens.$cc-card-border-radius;
+  border-left: 4px solid var(--status-offline); // default; overridden by [style]
+  border-top: 1px solid var(--cc-outline);
+  border-right: 1px solid var(--cc-outline);
+  border-bottom: 1px solid var(--cc-outline);
+  gap: 16px;
+  transition: border-left-color 0.3s ease, box-shadow 0.2s ease;
+  cursor: default;
+
+  &:hover {
+    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
+  }
+
+  // CUB-26: Card is now clickable for session drawer
+  cursor: pointer;
+
+  &:focus-visible {
+    outline: 2px solid var(--color-primary);
+    outline-offset: 2px;
+  }
+
+  &:focus-within {
+    outline: 2px solid var(--status-active);
+    outline-offset: 2px;
+  }
+}
+
+// ── Header ──
+.agent-card__header {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+}
+
+.agent-card__badge {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  padding: 4px 10px;
+  border-radius: 12px;
+  background-color: var(--status-active-bg); // overridden per status below
+  font-size: 12px;
+  font-weight: 500;
+  letter-spacing: 0.02em;
+  text-transform: uppercase;
+  color: var(--cc-on-surface);
+}
+
+.agent-card__status-label {
+  font-size: 12px;
+  font-weight: 500;
+  text-transform: uppercase;
+  letter-spacing: 0.04em;
+  color: var(--cc-on-surface-variant);
+}
+
+.agent-card__identity {
+  display: flex;
+  flex-direction: column;
+  gap: 2px;
+}
+
+.agent-card__name {
+  font-size: 16px;
+  font-weight: 600;
+  color: var(--cc-on-surface);
+  line-height: 1.2;
+}
+
+.agent-card__role {
+  font-size: 12px;
+  font-weight: 400;
+  color: var(--cc-on-surface-variant);
+}
+
+// ── Body ──
+.agent-card__body {
+  padding: 4px 0;
+}
+
+.agent-card__task {
+  margin: 0;
+  font-size: 14px;
+  font-weight: 400;
+  color: var(--cc-on-surface);
+  line-height: 1.4;
+
+  &--error {
+    color: var(--status-error);
+  }
+}
+
+// ── Progress Bar ──
+.agent-card__progress {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 4px 0;
+}
+
+.agent-card__progress-label {
+  font-family: var(--cc-font-mono);
+  font-size: 12px;
+  font-weight: 500;
+  color: var(--cc-on-surface-variant);
+  white-space: nowrap;
+  min-width: 36px;
+}
+
+// Override mat-progress-bar to match tactical dark theme
+.agent-card__progress ::ng-deep .mat-mdc-progress-bar {
+  height: 4px;
+  border-radius: 2px;
+
+  .mdc-linear-progress__bar-inner {
+    background-color: var(--status-active);
+  }
+
+  .mdc-linear-progress__track {
+    background-color: var(--cc-outline);
+  }
+}
+
+// ── Elapsed Time ──
+.agent-card__elapsed {
+  display: flex;
+  align-items: center;
+  gap: 4px;
+  font-size: 12px;
+  color: var(--cc-on-surface-variant);
+  padding: 2px 0;
+}
+
+.agent-card__elapsed-icon {
+  font-size: 14px;
+  width: 14px;
+  height: 14px;
+  color: var(--status-thinking);
+}
+
+// ── Footer ──
+.agent-card__footer {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 8px;
+  margin-top: auto; // push footer to bottom
+}
+
+.agent-card__meta {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+}
+
+.agent-card__channel {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  font-size: 12px;
+  color: var(--cc-on-surface-variant);
+}
+
+.agent-card__channel .mat-icon {
+  font-size: 14px;
+  width: 14px;
+  height: 14px;
+}
+
+.agent-card__last-activity {
+  font-size: 12px;
+  color: var(--cc-on-surface-variant);
+}
+
+// ── Quick‑Jump Button ──
+.agent-card__jump {
+  flex-shrink: 0;
+
+  .mat-mdc-button {
+    min-width: 36px;
+    padding: 0 8px;
+    color: var(--status-active);
+  }
+
+  .mat-icon {
+    font-size: 18px;
+    width: 18px;
+    height: 18px;
+  }
+}
+
+// ── Status‑specific background tints for badge ──
+// Using data-status attribute selectors for clean styling.
+
+.agent-card[data-status="active"] .agent-card__badge {
+  background-color: var(--status-active-bg);
+}
+
+.agent-card[data-status="idle"] .agent-card__badge {
+  background-color: var(--status-idle-bg);
+}
+
+.agent-card[data-status="thinking"] .agent-card__badge {
+  background-color: var(--status-thinking-bg);
+}
+
+.agent-card[data-status="error"] .agent-card__badge {
+  background-color: var(--status-error-bg);
+}
+
+.agent-card[data-status="offline"] .agent-card__badge {
+  background-color: var(--cc-surface-container-high);
+}
+
+// ── Active‑like pulse on card border ──
+.agent-card[data-status="active"],
+.agent-card[data-status="thinking"] {
+  border-left-width: 4px;
+}
+
+.agent-card[data-status="error"] {
+  border-left-color: var(--status-error);
+}
+
+// ── Responsive ──
+@media (max-width: tokens.$cc-breakpoint-mobile) {
+  .agent-card {
+    min-width: unset;
+    padding: 16px;
+  }
+
+  .agent-card__header {
+    flex-wrap: wrap;
+    gap: 8px;
+  }
+
+  .agent-card__footer {
+    flex-wrap: wrap;
+    gap: 8px;
+  }
+
+  .agent-card__meta {
+    gap: 8px;
+  }
+}
+
+// ── Accessibility: reduced motion ──
+@media (prefers-reduced-motion: reduce) {
+  .agent-card {
+    transition: none;
+  }
+}

frontend/src/app/command-hub/components/agent-card/agent-card.component.ts

@@ -0,0 +1,183 @@
+import {
+  ChangeDetectionStrategy,
+  Component,
+  EventEmitter,
+  Input,
+  OnDestroy,
+  Output,
+  computed,
+  effect,
+  inject,
+  signal,
+} from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { RouterModule } from '@angular/router';
+import { MatIconModule } from '@angular/material/icon';
+import { MatButtonModule } from '@angular/material/button';
+import { MatProgressBarModule } from '@angular/material/progress-bar';
+import { MatTooltipModule } from '@angular/material/tooltip';
+import { AgentStatus } from '../../../models/agent.model';
+import { LongPressDirective } from '../../../directives/long-press.directive';
+import {
+  STATUS_COLORS,
+  STATUS_LABELS,
+  CHANNEL_ICONS,
+} from '../../../design/tokens';
+
+// ============================================================================
+// AgentCard Component
+// Per spec Section 7.3: Composes Agent Status Badge, Task Progress Bar,
+// and Quick‑Jump Button into a card with left‑border status accent.
+// CUB-26: Emits cardClick and cardLongPress for drawer/modal integration.
+// Enhanced with data-status attribute, elapsed time, and design tokens.
+// ============================================================================
+
+@Component({
+  selector: 'app-agent-card',
+  standalone: true,
+  imports: [
+    CommonModule,
+    RouterModule,
+    MatIconModule,
+    MatButtonModule,
+    MatProgressBarModule,
+    MatTooltipModule,
+    LongPressDirective,
+  ],
+  templateUrl: './agent-card.component.html',
+  styleUrl: './agent-card.component.scss',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class AgentCardComponent implements OnDestroy {
+  // --- Six required inputs per spec ---
+
+  /** Agent status — drives badge color and left‑border accent */
+  @Input({ required: true }) status!: AgentStatus;
+
+  /** Current task description, e.g. "Reviewing PR #42" */
+  @Input() task = '';
+
+  /** Task progress percentage 0–100 */
+  @Input() progress = 0;
+
+  /** Full session key for quick‑jump navigation */
+  @Input({ required: true }) sessionKey = '';
+
+  /** Communication channel, e.g. "telegram" */
+  @Input({ required: true }) channel = '';
+
+  /** Timestamp of last agent activity */
+  @Input({ required: true }) lastActivity!: Date;
+
+  // --- Additional display inputs ---
+
+  /** Short agent ID, e.g. "otto" */
+  @Input() agentId = '';
+
+  /** Display name, e.g. "Otto" */
+  @Input() displayName = '';
+
+  /** Role description, e.g. "Orchestrator Agent" */
+  @Input() role = '';
+
+  /** Error message (shown only when status is 'error') */
+  @Input() errorMessage = '';
+
+  /** Elapsed time string, e.g. "04m 12s" */
+  @Input() taskElapsed = '';
+
+  // --- CUB-26: Outputs for drawer/modal integration ---
+
+  /** Emitted when the card is clicked — opens the session drawer. */
+  @Output() readonly cardClick = new EventEmitter<string>();
+
+  /** Emitted when the card is long-pressed — bypasses drawer, opens session log directly. */
+  @Output() readonly cardLongPress = new EventEmitter<string>();
+
+  // --- Internal state ---
+
+  /** Timer for refreshing relative-time label */
+  private _timer: ReturnType<typeof setInterval> | null = null;
+
+  /** Internal signal to trigger relative-time recomputation */
+  private readonly _tick = signal(0);
+
+  // --- Computed values using design tokens ---
+
+  /** Map status → CSS custom property for the left‑border accent */
+  readonly statusBorderColor = computed(() => {
+    const map: Record<AgentStatus, string> = {
+      active: 'var(--status-active)',
+      idle: 'var(--status-idle)',
+      thinking: 'var(--status-thinking)',
+      error: 'var(--status-error)',
+      offline: 'var(--status-offline)',
+    };
+    return map[this.status] ?? 'var(--status-offline)';
+  });
+
+  /** Human‑readable status label (from design tokens) */
+  readonly statusLabel = computed(() => STATUS_LABELS[this.status] ?? this.status);
+
+  /** CSS class suffix for the status badge dot */
+  readonly statusDotClass = computed(() => `status-dot--${this.status}`);
+
+  /** Material icon name for the channel (from design tokens) */
+  readonly channelIcon = computed(() => CHANNEL_ICONS[this.channel] ?? 'chat');
+
+  /** Relative time string for lastActivity, refreshed every 30s */
+  readonly lastActivityLabel = computed(() => {
+    // Read tick to create dependency that forces recomputation
+    this._tick();
+    return this._relativeTime(this.lastActivity);
+  });
+
+  /** Quick‑jump route derived from sessionKey */
+  readonly jumpRoute = computed(() => `/sessions/${this.sessionKey}`);
+
+  /** Whether progress bar should show */
+  readonly showProgress = computed(() => this.progress > 0 && this.status !== 'error');
+
+  /** Whether error state is active */
+  readonly isError = computed(() => this.status === 'error');
+
+  /** Whether card is in an active-like state (active or thinking) */
+  readonly isActiveLike = computed(() => this.status === 'active' || this.status === 'thinking');
+
+  constructor() {
+    // Start the relative-time refresh timer
+    this._startTimer();
+  }
+
+  ngOnDestroy(): void {
+    this._stopTimer();
+  }
+
+  // --- Private helpers ---
+
+  private _relativeTime(date: Date | null | undefined): string {
+    if (!date) return '';
+    const now = Date.now();
+    const then = date.getTime();
+    const diffSec = Math.max(0, Math.floor((now - then) / 1000));
+    if (diffSec < 60) return 'just now';
+    if (diffSec < 3600) return `${Math.floor(diffSec / 60)}m ago`;
+    if (diffSec < 86400) return `${Math.floor(diffSec / 3600)}h ago`;
+    return `${Math.floor(diffSec / 86400)}d ago`;
+  }
+
+  private _startTimer(): void {
+    this._stopTimer();
+    this._timer = setInterval(() => {
+      // Increment tick to force lastActivityLabel recomputation
+      this._tick.update(v => v + 1);
+    }, 30_000);
+  }
+
+  private _stopTimer(): void {
+    if (this._timer) {
+      clearInterval(this._timer);
+      this._timer = null;
+    }
+  }
+}

frontend/src/app/command-hub/components/index.ts

@@ -0,0 +1 @@
+export * from './agent-card/agent-card.component';

frontend/src/app/components/adaptive-navigation/adaptive-navigation.component.html

@@ -0,0 +1,112 @@
+<!-- ======================================================================== -->
+<!-- Adaptive Navigation — Desktop sidebar / Mobile header                    -->
+<!-- Desktop (≥768px): 72px sidebar with full navigation items                -->
+<!-- Mobile (<768px):  56px compact header with hamburger menu                -->
+<!-- ======================================================================== -->
+
+<!-- ======================= DESKTOP SIDEBAR (≥768px) ======================= -->
+<aside class="adaptive-nav__sidebar" aria-label="Navigation sidebar">
+  <!-- Brand / Toggle header -->
+  <div class="adaptive-nav__sidebar-header">
+    <span class="adaptive-nav__brand">OC</span>
+  </div>
+
+  <!-- Navigation destinations -->
+  <nav class="adaptive-nav__sidebar-nav">
+    @for (dest of destinations; track dest.route) {
+      <a
+        class="adaptive-nav__sidebar-item"
+        [routerLink]="dest.route"
+        routerLinkActive="adaptive-nav__sidebar-item--active"
+        [attr.aria-label]="dest.label"
+      >
+        <mat-icon
+          [matBadge]="dest.badge ?? 0"
+          [matBadgeHidden]="!dest.badge"
+          matBadgePosition="above after"
+          matBadgeSize="small"
+        >
+          {{ dest.icon }}
+        </mat-icon>
+        <span class="adaptive-nav__sidebar-label">{{ dest.label }}</span>
+      </a>
+    }
+  </nav>
+
+  <!-- Sidebar footer: LIVE indicator + action buttons -->
+  <div class="adaptive-nav__sidebar-footer">
+    <div class="adaptive-nav__live" [class.adaptive-nav__live--connected]="isConnected()">
+      <span
+        class="adaptive-nav__live-dot"
+        [class.adaptive-nav__live-dot--connected]="isConnected()"
+      ></span>
+      <mat-chip
+        class="adaptive-nav__live-chip"
+        [highlighted]="isConnected()"
+        [disabled]="!isConnected()"
+      >
+        {{ isConnected() ? 'LIVE' : 'OFFLINE' }}
+      </mat-chip>
+    </div>
+
+    <!-- Action buttons (placeholder) -->
+    <div class="adaptive-nav__sidebar-actions">
+      <button mat-icon-button aria-label="Notifications">
+        <mat-icon>notifications</mat-icon>
+      </button>
+      <button mat-icon-button aria-label="Settings">
+        <mat-icon>settings</mat-icon>
+      </button>
+    </div>
+  </div>
+</aside>
+
+<!-- ======================= MOBILE HEADER (<768px) ======================== -->
+<header class="adaptive-nav__mobile-header" role="banner">
+  <!-- Hamburger menu button -->
+  <button
+    class="adaptive-nav__hamburger"
+    mat-icon-button
+    [attr.aria-label]="mobileMenuOpen() ? 'Close menu' : 'Open menu'"
+    [attr.aria-expanded]="mobileMenuOpen()"
+    (click)="toggleMobileMenu()"
+  >
+    <mat-icon>{{ mobileMenuOpen() ? 'close' : 'menu' }}</mat-icon>
+  </button>
+
+  <!-- Title -->
+  <h1 class="adaptive-nav__mobile-title">Command Hub</h1>
+
+  <!-- LIVE indicator (always visible on mobile) -->
+  <div class="adaptive-nav__live adaptive-nav__live--mobile" [class.adaptive-nav__live--connected]="isConnected()">
+    <span
+      class="adaptive-nav__live-dot"
+      [class.adaptive-nav__live-dot--connected]="isConnected()"
+    ></span>
+    <span class="adaptive-nav__live-text">{{ isConnected() ? 'LIVE' : 'OFFLINE' }}</span>
+  </div>
+
+  <!-- Mobile action buttons (placeholder) -->
+  <button class="adaptive-nav__mobile-action" mat-icon-button aria-label="Notifications">
+    <mat-icon>notifications</mat-icon>
+  </button>
+</header>
+
+<!-- ======================= MOBILE DRAWER OVERLAY ========================= -->
+@if (mobileMenuOpen()) {
+  <div class="adaptive-nav__overlay" (click)="closeMobileMenu()" role="presentation"></div>
+  <nav class="adaptive-nav__mobile-drawer" aria-label="Mobile navigation menu">
+    @for (dest of destinations; track dest.route) {
+      <a
+        class="adaptive-nav__drawer-item"
+        [routerLink]="dest.route"
+        routerLinkActive="adaptive-nav__drawer-item--active"
+        [attr.aria-label]="dest.label"
+        (click)="closeMobileMenu()"
+      >
+        <mat-icon>{{ dest.icon }}</mat-icon>
+        <span class="adaptive-nav__drawer-label">{{ dest.label }}</span>
+      </a>
+    }
+  </nav>
+}

frontend/src/app/components/adaptive-navigation/adaptive-navigation.component.scss

@@ -0,0 +1,365 @@
+// ============================================================================
+// Adaptive Navigation — Desktop sidebar / Mobile header
+// Per CUB-27 spec breakpoints:
+//   Compact  (0–599px):  Mobile header + hamburger + drawer
+//   Medium   (600–1023px): Collapsed sidebar (icon-only, 72px)
+//   Expanded (≥1024px):  Full sidebar with labels (72px collapsed, 256px expanded)
+// ============================================================================
+
+// ---------------------------------------------------------------------------
+// Desktop Sidebar (visible ≥600px)
+// ---------------------------------------------------------------------------
+.adaptive-nav__sidebar {
+  display: none; // Hidden by default (mobile-first)
+  flex-direction: column;
+  width: var(--cc-nav-rail-collapsed-width, 72px);
+  min-height: 100vh;
+  background-color: var(--cc-surface-container-high);
+  border-right: 1px solid var(--cc-outline);
+  z-index: 10;
+}
+
+.adaptive-nav__sidebar-header {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  height: 64px;
+  border-bottom: 1px solid var(--cc-outline);
+}
+
+.adaptive-nav__brand {
+  font-size: 18px;
+  font-weight: 700;
+  color: var(--status-active);
+  letter-spacing: 0.04em;
+}
+
+.adaptive-nav__sidebar-nav {
+  flex: 1;
+  padding-top: 8px;
+}
+
+.adaptive-nav__sidebar-item {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  gap: 4px;
+  min-height: 56px;
+  padding: 8px 0;
+  margin: 2px 8px;
+  border-radius: 28px;
+  color: var(--cc-on-surface-variant);
+  text-decoration: none;
+  transition: background-color 150ms ease, color 150ms ease;
+
+  &:hover {
+    background-color: rgba(255, 255, 255, 0.08);
+    color: var(--cc-on-surface);
+  }
+
+  &--active {
+    background-color: var(--status-active-bg);
+    color: var(--status-active);
+
+    .adaptive-nav__sidebar-label {
+      font-weight: 500;
+    }
+  }
+}
+
+.adaptive-nav__sidebar-label {
+  font-size: 11px;
+  font-weight: 400;
+  letter-spacing: 0.02em;
+  white-space: nowrap;
+}
+
+// ---------------------------------------------------------------------------
+// Sidebar Footer — LIVE indicator + action buttons
+// ---------------------------------------------------------------------------
+.adaptive-nav__sidebar-footer {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 8px;
+  padding: 12px 0 20px;
+  border-top: 1px solid var(--cc-outline);
+}
+
+.adaptive-nav__sidebar-actions {
+  display: flex;
+  gap: 4px;
+
+  .mat-mdc-icon-button {
+    color: var(--cc-on-surface-variant) !important;
+    --mdc-icon-button-icon-size: 20px;
+
+    &:hover {
+      color: var(--cc-on-surface) !important;
+    }
+  }
+}
+
+// ---------------------------------------------------------------------------
+// LIVE Status Indicator
+// ---------------------------------------------------------------------------
+.adaptive-nav__live {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  padding: 4px 8px;
+  border-radius: 16px;
+  transition: background-color 200ms ease;
+
+  &--connected {
+    background-color: var(--status-active-bg);
+  }
+}
+
+.adaptive-nav__live-dot {
+  display: inline-block;
+  width: 8px;
+  height: 8px;
+  min-width: 8px;
+  border-radius: 50%;
+  background-color: var(--status-error);
+  transition: background-color 200ms ease;
+
+  &--connected {
+    background-color: var(--status-active);
+    animation: pulse-active 2s ease-in-out infinite;
+  }
+}
+
+.adaptive-nav__live-chip {
+  font-size: 11px !important;
+  font-weight: 600 !important;
+  letter-spacing: 0.06em;
+  height: 24px !important;
+  min-height: 24px !important;
+  padding: 0 8px !important;
+  color: var(--status-active) !important;
+  --mdc-chip-elevated-container-color: transparent;
+  background: transparent !important;
+  border: none !important;
+  box-shadow: none !important;
+}
+
+.adaptive-nav__live-text {
+  font-size: 12px;
+  font-weight: 600;
+  letter-spacing: 0.06em;
+  color: var(--status-active);
+}
+
+// ---------------------------------------------------------------------------
+// Mobile Header (visible <600px only)
+// ---------------------------------------------------------------------------
+.adaptive-nav__mobile-header {
+  display: none; // Hidden on desktop, shown on mobile via media query
+  align-items: center;
+  height: var(--cc-header-height-compact, 56px);
+  padding: 0 12px;
+  background-color: var(--cc-surface-container-high);
+  border-bottom: 1px solid var(--cc-outline);
+  z-index: 20;
+  gap: 8px;
+}
+
+.adaptive-nav__hamburger {
+  color: var(--cc-on-surface-variant) !important;
+  min-width: 48px;
+  min-height: 48px;
+
+  &:hover {
+    color: var(--cc-on-surface) !important;
+  }
+}
+
+.adaptive-nav__mobile-title {
+  flex: 1;
+  font-size: 20px;
+  font-weight: 500;
+  color: var(--cc-on-surface);
+  margin: 0;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.adaptive-nav__live--mobile {
+  padding: 4px 10px;
+  border-radius: 16px;
+
+  .adaptive-nav__live-text {
+    font-size: 11px;
+    font-weight: 700;
+  }
+}
+
+.adaptive-nav__mobile-action {
+  color: var(--cc-on-surface-variant) !important;
+  min-width: 48px;
+  min-height: 48px;
+
+  &:hover {
+    color: var(--cc-on-surface) !important;
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Mobile Drawer
+// ---------------------------------------------------------------------------
+.adaptive-nav__overlay {
+  position: fixed;
+  inset: 0;
+  background-color: rgba(0, 0, 0, 0.5);
+  z-index: 40;
+}
+
+.adaptive-nav__mobile-drawer {
+  position: fixed;
+  top: var(--cc-header-height-compact, 56px); // Below header
+  left: 0;
+  bottom: 0;
+  width: 280px;
+  max-width: 80vw;
+  background-color: var(--cc-surface-container);
+  border-right: 1px solid var(--cc-outline);
+  z-index: 50;
+  padding: 12px 0;
+  overflow-y: auto;
+  animation: slide-in-left 200ms cubic-bezier(0.4, 0, 0.2, 1);
+}
+
+.adaptive-nav__drawer-item {
+  display: flex;
+  align-items: center;
+  gap: 16px;
+  min-height: 48px;
+  padding: 0 20px;
+  color: var(--cc-on-surface-variant);
+  text-decoration: none;
+  transition: background-color 150ms ease, color 150ms ease;
+
+  &:hover {
+    background-color: rgba(255, 255, 255, 0.08);
+    color: var(--cc-on-surface);
+  }
+
+  &--active {
+    background-color: var(--status-active-bg);
+    color: var(--status-active);
+
+    .adaptive-nav__drawer-label {
+      font-weight: 500;
+    }
+  }
+}
+
+.adaptive-nav__drawer-label {
+  font-size: 14px;
+  font-weight: 400;
+  white-space: nowrap;
+}
+
+// ---------------------------------------------------------------------------
+// Drawer slide-in animation
+// ---------------------------------------------------------------------------
+@keyframes slide-in-left {
+  from {
+    transform: translateX(-100%);
+  }
+  to {
+    transform: translateX(0);
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Media Queries — Layout Switch (CUB-27 breakpoints)
+// ---------------------------------------------------------------------------
+
+// Compact (0–599px): Show mobile header, hide sidebar
+@media (max-width: 599px) {
+  .adaptive-nav__sidebar {
+    display: none;
+  }
+
+  .adaptive-nav__mobile-header {
+    display: flex;
+  }
+
+  // Hide mobile drawer and overlay on desktop
+  .adaptive-nav__overlay,
+  .adaptive-nav__mobile-drawer {
+    // These are conditional via @if in template, no display:none needed
+  }
+}
+
+// Medium (600–1023px): Show collapsed sidebar (icon-only), hide mobile
+@media (min-width: 600px) and (max-width: 1023px) {
+  .adaptive-nav__sidebar {
+    display: flex;
+    width: var(--cc-nav-rail-collapsed-width, 72px);
+  }
+
+  // Hide labels on medium (collapsed)
+  .adaptive-nav__sidebar-label,
+  .adaptive-nav__brand {
+    display: none;
+  }
+
+  .adaptive-nav__sidebar-header {
+    justify-content: center;
+  }
+
+  .adaptive-nav__sidebar-item {
+    flex-direction: column;
+    justify-content: center;
+  }
+
+  .adaptive-nav__mobile-header {
+    display: none;
+  }
+
+  .adaptive-nav__overlay,
+  .adaptive-nav__mobile-drawer {
+    display: none;
+  }
+}
+
+// Expanded (≥1024px): Show sidebar with labels
+@media (min-width: 1024px) {
+  .adaptive-nav__sidebar {
+    display: flex;
+    width: var(--cc-nav-rail-collapsed-width, 72px);
+    transition: width 200ms cubic-bezier(0.4, 0, 0.2, 1);
+  }
+
+  .adaptive-nav__mobile-header {
+    display: none;
+  }
+
+  .adaptive-nav__overlay,
+  .adaptive-nav__mobile-drawer {
+    display: none;
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Accessibility: Reduced Motion
+// ---------------------------------------------------------------------------
+@media (prefers-reduced-motion: reduce) {
+  .adaptive-nav__live-dot--connected {
+    animation: none;
+  }
+
+  .adaptive-nav__mobile-drawer {
+    animation: none;
+  }
+
+  .adaptive-nav__sidebar {
+    transition: none;
+  }
+}

frontend/src/app/components/adaptive-navigation/adaptive-navigation.component.ts

@@ -0,0 +1,84 @@
+import { ChangeDetectionStrategy, Component, signal, HostListener, OnDestroy, OnInit } from '@angular/core';
+import { RouterLink, RouterLinkActive } from '@angular/router';
+import { MatIconModule } from '@angular/material/icon';
+import { MatButtonModule } from '@angular/material/button';
+import { MatChipsModule } from '@angular/material/chips';
+import { MatBadgeModule } from '@angular/material/badge';
+import { NAV_DESTINATIONS } from '../../models/nav.model';
+
+/**
+ * Adaptive Navigation Component — switches between desktop sidebar
+ * and mobile header layouts using CSS media queries + JS breakpoint sync.
+ *
+ * Per CUB-27 spec breakpoints:
+ *   Compact  (0–599px):  Mobile header + hamburger + bottom nav
+ *   Medium   (600–1023px): Collapsed sidebar (icon-only)
+ *   Expanded (≥1024px):  Expandable sidebar (hover/click)
+ *
+ * The LIVE status indicator is visible in all layouts.
+ */
+@Component({
+  selector: 'app-adaptive-navigation',
+  standalone: true,
+  imports: [
+    RouterLink,
+    RouterLinkActive,
+    MatIconModule,
+    MatButtonModule,
+    MatChipsModule,
+    MatBadgeModule,
+  ],
+  templateUrl: './adaptive-navigation.component.html',
+  styleUrl: './adaptive-navigation.component.scss',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class AdaptiveNavigationComponent implements OnInit, OnDestroy {
+  /** Navigation destinations shared with other nav components */
+  protected readonly destinations = NAV_DESTINATIONS;
+
+  /** Whether the mobile drawer is open */
+  protected readonly mobileMenuOpen = signal(false);
+
+  /** Live connection status */
+  protected readonly isConnected = signal(true);
+
+  /** Responsive breakpoint state */
+  protected readonly isMedium = signal(false);
+  protected readonly isExpanded = signal(false);
+
+  private readonly COMPACT_MAX = 599;
+  private readonly MEDIUM_MAX = 1023;
+
+  ngOnInit(): void {
+    this.updateBreakpoint();
+  }
+
+  @HostListener('window:resize')
+  onResize(): void {
+    this.updateBreakpoint();
+  }
+
+  /** Toggle mobile menu */
+  toggleMobileMenu(): void {
+    this.mobileMenuOpen.update((v) => !v);
+  }
+
+  /** Close mobile menu (e.g. on nav) */
+  closeMobileMenu(): void {
+    this.mobileMenuOpen.set(false);
+  }
+
+  private updateBreakpoint(): void {
+    const w = window.innerWidth;
+    this.isMedium.set(w >= this.COMPACT_MAX + 1 && w <= this.MEDIUM_MAX);
+    this.isExpanded.set(w > this.MEDIUM_MAX);
+    // Close mobile menu when switching to desktop
+    if (w > this.COMPACT_MAX) {
+      this.mobileMenuOpen.set(false);
+    }
+  }
+
+  ngOnDestroy(): void {
+    // HostListener auto-unsubscribes
+  }
+}

frontend/src/app/components/adaptive-navigation/index.ts

@@ -0,0 +1 @@
+export * from './adaptive-navigation.component';

frontend/src/app/components/agent-session-drawer/agent-session-drawer.component.html

@@ -0,0 +1,140 @@
+<!-- ============================================================================
+  Agent Session Drawer — CUB-26
+  Desktop: 480px side drawer slides from right with modal overlay.
+  Mobile: Bottom sheet slides up from bottom.
+  Shows: Agent name, status badge, session key, live log tail,
+          recent messages, and action buttons.
+  ============================================================================-->
+
+<!-- Backdrop overlay -->
+@if (isOpen()) {
+  <div
+    class="session-drawer-backdrop"
+    (click)="onBackdropClick()"
+    [class.session-drawer-backdrop--visible]="isOpen()"
+  ></div>
+}
+
+<!-- Drawer panel -->
+<div
+  #drawerPanel
+  class="session-drawer"
+  [class.session-drawer--open]="isOpen()"
+  [class.session-drawer--mobile]="isMobile"
+  (keydown)="onDrawerKeydown($event)"
+  role="dialog"
+  aria-label="Agent session details"
+  [attr.aria-hidden]="!isOpen()"
+>
+  <!-- Header -->
+  <div class="session-drawer__header">
+    @if (agent) {
+      <div class="session-drawer__header-identity">
+        <span class="status-dot {{ getStatusClass(agent.status) }}" [attr.aria-label]="getStatusLabel(agent.status)"></span>
+        <div class="session-drawer__header-text">
+          <h2 class="session-drawer__title">{{ agent.displayName }}</h2>
+          <span class="session-drawer__role">{{ agent.role }}</span>
+        </div>
+      </div>
+    }
+    <button
+      class="session-drawer__close-btn"
+      type="button"
+      aria-label="Close drawer"
+      (click)="close()"
+      matIconButton
+    >
+      <mat-icon>close</mat-icon>
+    </button>
+  </div>
+
+  <!-- Content area -->
+  @if (agent) {
+    <div class="session-drawer__content">
+
+      <!-- Status & Session Key Section -->
+      <section class="session-drawer__section">
+        <div class="session-drawer__meta-row">
+          <span class="session-drawer__status-chip {{ getStatusChipColor(agent.status) }}">
+            {{ getStatusLabel(agent.status) }}
+          </span>
+          @if (agent.channel) {
+            <span class="session-drawer__channel-badge">
+              <mat-icon class="session-drawer__channel-icon">chat</mat-icon>
+              {{ agent.channel }}
+            </span>
+          }
+        </div>
+        <div class="session-drawer__session-key">
+          <span class="session-drawer__label">Session Key</span>
+          <code class="session-drawer__key-value">{{ agent.sessionKey }}</code>
+        </div>
+        @if (agent.currentTask) {
+          <div class="session-drawer__task-info">
+            <span class="session-drawer__label">Current Task</span>
+            <span class="session-drawer__task-text">{{ agent.currentTask }}</span>
+          </div>
+        }
+        <div class="session-drawer__last-activity">
+          <span class="session-drawer__label">Last Activity</span>
+          <span class="session-drawer__activity-time">{{ formatRelativeTime(agent.lastActivity) }}</span>
+        </div>
+      </section>
+
+      <!-- Recent Messages Section -->
+      <section class="session-drawer__section">
+        <h3 class="session-drawer__section-title">Recent Messages</h3>
+        <div class="session-drawer__messages">
+          @for (msg of recentMessages(); track msg.id) {
+            <div class="session-drawer__message session-drawer__message--{{ msg.sender }}">
+              <span class="session-drawer__message-sender">
+                {{ msg.sender === 'agent' ? agent.displayName : 'You' }}
+              </span>
+              <p class="session-drawer__message-text">{{ msg.content }}</p>
+              <span class="session-drawer__message-time">{{ formatTime(msg.timestamp) }}</span>
+            </div>
+          } @empty {
+            <p class="session-drawer__empty-state">No recent messages</p>
+          }
+        </div>
+      </section>
+
+      <!-- Live Log Tail Section -->
+      <section class="session-drawer__section">
+        <h3 class="session-drawer__section-title">Live Log</h3>
+        <div class="session-drawer__log-container">
+          @for (line of logLines(); track $index) {
+            <div class="session-drawer__log-line {{ getLogLevelClass(line.level) }}">
+              <span class="session-drawer__log-time">{{ formatTime(line.timestamp) }}</span>
+              <span class="session-drawer__log-level">{{ line.level.toUpperCase() }}</span>
+              <span class="session-drawer__log-message">{{ line.message }}</span>
+            </div>
+          } @empty {
+            <p class="session-drawer__empty-state">No log output</p>
+          }
+        </div>
+      </section>
+    </div>
+  }
+
+  <!-- Action buttons (sticky footer) -->
+  <div class="session-drawer__actions">
+    <button
+      class="session-drawer__action-btn session-drawer__action-btn--primary"
+      mat-raised-button
+      color="primary"
+      (click)="onOpenSession()"
+    >
+      <mat-icon>open_in_new</mat-icon>
+      Open Full Session
+    </button>
+    <button
+      class="session-drawer__action-btn session-drawer__action-btn--secondary"
+      mat-stroked-button
+      (click)="onPinToDashboard()"
+    >
+      <mat-icon>push_pin</mat-icon>
+      Pin to Dashboard
+    </button>
+  </div>
+</div>

frontend/src/app/components/agent-session-drawer/agent-session-drawer.component.scss

@@ -0,0 +1,500 @@
+// ============================================================================
+// Agent Session Drawer — CUB-26
+// Desktop: 480px side drawer slides from right with modal overlay.
+// Mobile: Bottom sheet slides up from bottom.
+// Uses Control Center design tokens from CUB-21.
+// ============================================================================
+
+// ---------------------------------------------------------------------------
+// Backdrop
+// ---------------------------------------------------------------------------
+.session-drawer-backdrop {
+  position: fixed;
+  inset: 0;
+  background-color: rgba(0, 0, 0, 0.6);
+  backdrop-filter: blur(4px);
+  z-index: 998;
+  opacity: 0;
+  transition: opacity 200ms ease-out;
+
+  &--visible {
+    opacity: 1;
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Drawer Panel — Desktop: Side drawer from right
+// ---------------------------------------------------------------------------
+.session-drawer {
+  position: fixed;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  width: 480px;
+  max-width: 100vw;
+  background-color: var(--cc-surface-container);
+  border-left: 1px solid var(--cc-outline);
+  z-index: 999;
+  display: flex;
+  flex-direction: column;
+  transform: translateX(100%);
+  transition: transform 280ms cubic-bezier(0.4, 0, 0.2, 1);
+  box-shadow: -4px 0 32px rgba(0, 0, 0, 0.4);
+  overflow: hidden;
+
+  &--open {
+    transform: translateX(0);
+  }
+
+  // ---------------------------------------------------------------------------
+  // Mobile: Bottom Sheet — slides up from bottom
+  // ---------------------------------------------------------------------------
+  &--mobile {
+    top: auto;
+    right: 0;
+    bottom: 0;
+    left: 0;
+    width: 100%;
+    max-width: 100vw;
+    max-height: 85vh;
+    border-left: none;
+    border-top: 1px solid var(--cc-outline);
+    border-radius: 20px 20px 0 0;
+    transform: translateY(100%);
+    box-shadow: 0 -4px 32px rgba(0, 0, 0, 0.4);
+
+    &.session-drawer--open {
+      transform: translateY(0);
+    }
+
+    // Drag handle for mobile bottom sheet
+    &::before {
+      content: '';
+      display: block;
+      width: 32px;
+      height: 4px;
+      border-radius: 2px;
+      background: var(--cc-on-surface-variant);
+      opacity: 0.4;
+      margin: 8px auto 4px;
+    }
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Header
+// ---------------------------------------------------------------------------
+.session-drawer__header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 20px 24px 16px;
+  border-bottom: 1px solid var(--cc-outline);
+  flex-shrink: 0;
+}
+
+.session-drawer__header-identity {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  min-width: 0;
+  flex: 1;
+}
+
+.session-drawer__header-text {
+  display: flex;
+  flex-direction: column;
+  gap: 2px;
+  min-width: 0;
+}
+
+.session-drawer__title {
+  font-size: 20px;
+  font-weight: 600;
+  color: var(--cc-on-surface);
+  margin: 0;
+  letter-spacing: -0.01em;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.session-drawer__role {
+  font-size: 13px;
+  color: var(--cc-on-surface-variant);
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.session-drawer__close-btn {
+  --mat-icon-button-state-layer-color: transparent;
+  color: var(--cc-on-surface-variant);
+  flex-shrink: 0;
+
+  &:hover {
+    color: var(--cc-on-surface);
+  }
+
+  &:focus-visible {
+    outline: 2px solid var(--color-primary);
+    outline-offset: 2px;
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Content — scrollable area
+// ---------------------------------------------------------------------------
+.session-drawer__content {
+  flex: 1;
+  overflow-y: auto;
+  padding: 0 24px 16px;
+}
+
+// ---------------------------------------------------------------------------
+// Sections
+// ---------------------------------------------------------------------------
+.session-drawer__section {
+  padding: 16px 0;
+  border-bottom: 1px solid var(--cc-outline);
+
+  &:last-child {
+    border-bottom: none;
+  }
+}
+
+.session-drawer__section-title {
+  font-size: 13px;
+  font-weight: 600;
+  color: var(--cc-on-surface-variant);
+  text-transform: uppercase;
+  letter-spacing: 0.08em;
+  margin: 0 0 12px;
+}
+
+// ---------------------------------------------------------------------------
+// Meta Row — Status + Channel
+// ---------------------------------------------------------------------------
+.session-drawer__meta-row {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  margin-bottom: 12px;
+}
+
+.session-drawer__status-chip {
+  display: inline-flex;
+  align-items: center;
+  padding: 4px 12px;
+  border-radius: 8px;
+  font-size: 12px;
+  font-weight: 600;
+  text-transform: uppercase;
+  letter-spacing: 0.04em;
+
+  &.status-chip--active {
+    background-color: var(--status-active-bg);
+    color: var(--status-active);
+  }
+
+  &.status-chip--idle {
+    background-color: var(--status-idle-bg);
+    color: var(--status-idle);
+  }
+
+  &.status-chip--thinking {
+    background-color: var(--status-thinking-bg);
+    color: var(--status-thinking);
+  }
+
+  &.status-chip--error {
+    background-color: var(--status-error-bg);
+    color: var(--status-error);
+  }
+
+  &.status-chip--offline {
+    background-color: rgba(100, 116, 139, 0.12);
+    color: var(--status-offline);
+  }
+}
+
+.session-drawer__channel-badge {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  padding: 4px 10px;
+  border-radius: 8px;
+  background: var(--cc-surface-container-high);
+  font-size: 12px;
+  color: var(--cc-on-surface-variant);
+}
+
+.session-drawer__channel-icon {
+  font-size: 14px;
+  width: 14px;
+  height: 14px;
+}
+
+// ---------------------------------------------------------------------------
+// Session Key
+// ---------------------------------------------------------------------------
+.session-drawer__session-key {
+  margin-bottom: 12px;
+}
+
+.session-drawer__label {
+  display: block;
+  font-size: 11px;
+  font-weight: 500;
+  color: var(--cc-on-surface-variant);
+  text-transform: uppercase;
+  letter-spacing: 0.06em;
+  margin-bottom: 4px;
+}
+
+.session-drawer__key-value {
+  display: block;
+  font-family: var(--cc-font-mono);
+  font-size: 12px;
+  color: var(--color-secondary);
+  background: var(--cc-surface);
+  padding: 8px 12px;
+  border-radius: 8px;
+  border: 1px solid var(--cc-outline);
+  word-break: break-all;
+  line-height: 1.5;
+  user-select: all;
+}
+
+// ---------------------------------------------------------------------------
+// Task Info
+// ---------------------------------------------------------------------------
+.session-drawer__task-info {
+  margin-bottom: 12px;
+}
+
+.session-drawer__task-text {
+  font-size: 14px;
+  color: var(--cc-on-surface);
+  line-height: 1.4;
+}
+
+// ---------------------------------------------------------------------------
+// Last Activity
+// ---------------------------------------------------------------------------
+.session-drawer__last-activity {
+  margin-bottom: 0;
+}
+
+.session-drawer__activity-time {
+  font-size: 14px;
+  color: var(--cc-on-surface);
+}
+
+// ---------------------------------------------------------------------------
+// Recent Messages
+// ---------------------------------------------------------------------------
+.session-drawer__messages {
+  display: flex;
+  flex-direction: column;
+  gap: 10px;
+}
+
+.session-drawer__message {
+  padding: 10px 14px;
+  border-radius: 12px;
+  max-width: 100%;
+
+  &--agent {
+    background: var(--cc-surface-container-high);
+    border: 1px solid var(--cc-outline);
+  }
+
+  &--user {
+    background: rgba(56, 189, 248, 0.08);
+    border: 1px solid rgba(56, 189, 248, 0.15);
+  }
+}
+
+.session-drawer__message-sender {
+  display: block;
+  font-size: 12px;
+  font-weight: 600;
+  color: var(--cc-on-surface-variant);
+  margin-bottom: 4px;
+}
+
+.session-drawer__message-text {
+  font-size: 14px;
+  color: var(--cc-on-surface);
+  margin: 0;
+  line-height: 1.5;
+  word-wrap: break-word;
+}
+
+.session-drawer__message-time {
+  display: block;
+  font-size: 11px;
+  color: var(--cc-on-surface-variant);
+  margin-top: 4px;
+  font-family: var(--cc-font-mono);
+}
+
+// ---------------------------------------------------------------------------
+// Live Log Container
+// ---------------------------------------------------------------------------
+.session-drawer__log-container {
+  background: var(--cc-surface);
+  border: 1px solid var(--cc-outline);
+  border-radius: 10px;
+  padding: 10px 12px;
+  max-height: 260px;
+  overflow-y: auto;
+  font-family: var(--cc-font-mono);
+  font-size: 12px;
+  line-height: 1.7;
+}
+
+.session-drawer__log-line {
+  display: flex;
+  gap: 8px;
+  padding: 1px 0;
+  white-space: nowrap;
+
+  &--info {
+    color: var(--cc-on-surface);
+  }
+
+  &--warn {
+    color: #FBBF24;
+  }
+
+  &--error {
+    color: var(--status-error);
+  }
+
+  &--debug {
+    color: var(--cc-on-surface-variant);
+  }
+}
+
+.session-drawer__log-time {
+  color: var(--cc-on-surface-variant);
+  flex-shrink: 0;
+  opacity: 0.7;
+}
+
+.session-drawer__log-level {
+  width: 48px;
+  flex-shrink: 0;
+  font-weight: 600;
+  font-size: 11px;
+  letter-spacing: 0.02em;
+}
+
+.session-drawer__log-message {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  color: inherit;
+}
+
+// ---------------------------------------------------------------------------
+// Empty State
+// ---------------------------------------------------------------------------
+.session-drawer__empty-state {
+  font-size: 13px;
+  color: var(--cc-on-surface-variant);
+  text-align: center;
+  padding: 16px 0;
+  margin: 0;
+}
+
+// ---------------------------------------------------------------------------
+// Action Buttons — Sticky Footer
+// ---------------------------------------------------------------------------
+.session-drawer__actions {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  padding: 16px 24px 20px;
+  border-top: 1px solid var(--cc-outline);
+  background-color: var(--cc-surface-container);
+  flex-shrink: 0;
+}
+
+.session-drawer__action-btn {
+  display: inline-flex;
+  align-items: center;
+  gap: 8px;
+  font-weight: 500;
+
+  .mat-icon {
+    width: 18px;
+    height: 18px;
+    font-size: 18px;
+  }
+
+  &--primary {
+    flex: 1;
+  }
+
+  &--secondary {
+    flex-shrink: 0;
+  }
+
+  &:focus-visible {
+    outline: 2px solid var(--color-primary);
+    outline-offset: 2px;
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Mobile Adjustments
+// ---------------------------------------------------------------------------
+.session-drawer--mobile {
+  .session-drawer__header {
+    padding: 12px 20px 12px;
+  }
+
+  .session-drawer__content {
+    padding: 0 20px 12px;
+  }
+
+  .session-drawer__actions {
+    padding: 12px 20px 16px;
+    flex-direction: column;
+
+    .session-drawer__action-btn {
+      width: 100%;
+      justify-content: center;
+    }
+  }
+
+  .session-drawer__log-container {
+    max-height: 200px;
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Responsive — wider viewports keep 480px, narrow go full-width
+// ---------------------------------------------------------------------------
+@media (max-width: 599px) {
+  .session-drawer:not(.session-drawer--mobile) {
+    width: 100%;
+    max-width: 100vw;
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Accessibility: Reduced Motion
+// ---------------------------------------------------------------------------
+@media (prefers-reduced-motion: reduce) {
+  .session-drawer {
+    transition: none;
+  }
+
+  .session-drawer-backdrop {
+    transition: none;
+  }
+}

frontend/src/app/components/agent-session-drawer/agent-session-drawer.component.ts

@@ -0,0 +1,268 @@
+import {
+  ChangeDetectionStrategy,
+  Component,
+  ElementRef,
+  EventEmitter,
+  HostListener,
+  Input,
+  OnDestroy,
+  Output,
+  signal,
+  ViewChild,
+} from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { MatButtonModule } from '@angular/material/button';
+import { MatIconModule } from '@angular/material/icon';
+import { MatChipsModule } from '@angular/material/chips';
+import { AgentCardData, AgentStatus } from '../../models/agent.model';
+
+// ============================================================================
+// Agent Session Drawer — Per CUB-26
+// Desktop: 480px side drawer slides from right with modal overlay.
+// Mobile: Bottom sheet slides up from bottom.
+// Shows: Agent name, status badge, session key, live log tail,
+//         recent messages, and action buttons.
+// ============================================================================
+
+export interface SessionLogLine {
+  timestamp: Date;
+  level: 'info' | 'warn' | 'error' | 'debug';
+  message: string;
+}
+
+export interface SessionMessage {
+  id: string;
+  sender: 'agent' | 'user';
+  content: string;
+  timestamp: Date;
+}
+
+@Component({
+  selector: 'app-agent-session-drawer',
+  standalone: true,
+  imports: [CommonModule, MatButtonModule, MatIconModule, MatChipsModule],
+  templateUrl: './agent-session-drawer.component.html',
+  styleUrl: './agent-session-drawer.component.scss',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class AgentSessionDrawerComponent implements OnDestroy {
+  // ---------------------------------------------------------------------------
+  // Inputs
+  // ---------------------------------------------------------------------------
+
+  /** The agent whose session details are displayed. */
+  @Input() set agent(value: AgentCardData | null) {
+    this._agent = value;
+    if (value) {
+      this.isOpen.set(true);
+      this.loadSessionData(value);
+    }
+  }
+  get agent(): AgentCardData | null {
+    return this._agent;
+  }
+  private _agent: AgentCardData | null = null;
+
+  /** Whether this is mobile viewport (bottom sheet mode). */
+  @Input() isMobile = false;
+
+  // ---------------------------------------------------------------------------
+  // Outputs
+  // ---------------------------------------------------------------------------
+
+  /** Emitted when the user clicks "Open Full Session". Payload is the session key. */
+  @Output() readonly openSession = new EventEmitter<string>();
+
+  /** Emitted when the user clicks "Pin to Dashboard". Payload is the session key. */
+  @Output() readonly pinToDashboard = new EventEmitter<string>();
+
+  /** Emitted when the drawer closes. */
+  @Output() readonly drawerClose = new EventEmitter<void>();
+
+  // ---------------------------------------------------------------------------
+  // Signals
+  // ---------------------------------------------------------------------------
+
+  readonly isOpen = signal(false);
+  readonly logLines = signal<SessionLogLine[]>([]);
+  readonly recentMessages = signal<SessionMessage[]>([]);
+
+  // ---------------------------------------------------------------------------
+  // View Children
+  // ---------------------------------------------------------------------------
+
+  @ViewChild('drawerPanel') drawerPanel!: ElementRef<HTMLElement>;
+
+  // ---------------------------------------------------------------------------
+  // Status Helpers
+  // ---------------------------------------------------------------------------
+
+  getStatusClass(status: string): string {
+    return `status-dot--${status}`;
+  }
+
+  getStatusLabel(status: AgentStatus): string {
+    const labels: Record<AgentStatus, string> = {
+      active: 'Active',
+      idle: 'Idle',
+      thinking: 'Thinking…',
+      error: 'Error',
+      offline: 'Offline',
+    };
+    return labels[status] ?? status;
+  }
+
+  getStatusChipColor(status: AgentStatus): string {
+    const map: Record<AgentStatus, string> = {
+      active: 'status-chip--active',
+      idle: 'status-chip--idle',
+      thinking: 'status-chip--thinking',
+      error: 'status-chip--error',
+      offline: 'status-chip--offline',
+    };
+    return map[status] ?? '';
+  }
+
+  getLogLevelClass(level: SessionLogLine['level']): string {
+    return `log-line--${level}`;
+  }
+
+  /** Format a date to a short time string. */
+  formatTime(date: Date): string {
+    return date.toLocaleTimeString([], { hour: '2-digit', minute: '2-digit', second: '2-digit' });
+  }
+
+  /** Format a date to a relative time string. */
+  formatRelativeTime(date: Date): string {
+    const now = Date.now();
+    const then = date.getTime();
+    const diffSec = Math.max(0, Math.floor((now - then) / 1000));
+    if (diffSec < 60) return 'just now';
+    if (diffSec < 3600) return `${Math.floor(diffSec / 60)}m ago`;
+    if (diffSec < 86400) return `${Math.floor(diffSec / 3600)}h ago`;
+    return `${Math.floor(diffSec / 86400)}d ago`;
+  }
+
+  // ---------------------------------------------------------------------------
+  // Public API
+  // ---------------------------------------------------------------------------
+
+  /** Open the drawer for a specific agent. */
+  open(agentData: AgentCardData): void {
+    this._agent = agentData;
+    this.isOpen.set(true);
+    this.loadSessionData(agentData);
+  }
+
+  /** Close the drawer. */
+  close(): void {
+    this.isOpen.set(false);
+    this.drawerClose.emit();
+  }
+
+  // ---------------------------------------------------------------------------
+  // Keyboard Handling
+  // ---------------------------------------------------------------------------
+
+  @HostListener('document:keydown.escape')
+  onEscapeKey(): void {
+    if (this.isOpen()) {
+      this.close();
+    }
+  }
+
+  /** Handle keyboard navigation within the drawer. */
+  onDrawerKeydown(event: KeyboardEvent): void {
+    if (event.key === 'Escape') {
+      this.close();
+      return;
+    }
+    // Tab through actions — browser default Tab behavior is fine,
+    // we just trap focus within the drawer
+  }
+
+  // ---------------------------------------------------------------------------
+  // Outside Click
+  // ---------------------------------------------------------------------------
+
+  onBackdropClick(): void {
+    this.close();
+  }
+
+  // ---------------------------------------------------------------------------
+  // Actions
+  // ---------------------------------------------------------------------------
+
+  onOpenSession(): void {
+    if (this._agent) {
+      this.openSession.emit(this._agent.sessionKey);
+    }
+    this.close();
+  }
+
+  onPinToDashboard(): void {
+    if (this._agent) {
+      this.pinToDashboard.emit(this._agent.sessionKey);
+    }
+    // Don't close — user may want to keep viewing
+  }
+
+  // ---------------------------------------------------------------------------
+  // Lifecycle
+  // ---------------------------------------------------------------------------
+
+  ngOnDestroy(): void {
+    // Clean up any subscriptions when needed
+  }
+
+  // ---------------------------------------------------------------------------
+  // Private
+  // ---------------------------------------------------------------------------
+
+  /** Load mock session data for the agent (TODO: wire to real data service). */
+  private loadSessionData(agentData: AgentCardData): void {
+    // TODO: Replace with real session data service when available.
+    // For now, generate placeholder log lines and messages.
+    const now = new Date();
+    const logLines: SessionLogLine[] = [];
+    for (let i = 19; i >= 0; i--) {
+      const ts = new Date(now.getTime() - i * 5000);
+      const levels: SessionLogLine['level'][] = ['info', 'info', 'info', 'debug', 'warn'];
+      const messages = [
+        `Processing task queue for ${agentData.displayName}`,
+        `SignalR heartbeat OK`,
+        `Session state: active`,
+        `Checking for pending commands…`,
+        `Updating task progress: ${Math.floor(Math.random() * 100)}%`,
+      ];
+      logLines.push({
+        timestamp: ts,
+        level: levels[i % levels.length],
+        message: messages[i % messages.length],
+      });
+    }
+    this.logLines.set(logLines);
+
+    const recentMessages: SessionMessage[] = [
+      {
+        id: '1',
+        sender: 'user',
+        content: `Hey ${agentData.displayName}, how's the current task going?`,
+        timestamp: new Date(now.getTime() - 120000),
+      },
+      {
+        id: '2',
+        sender: 'agent',
+        content: agentData.currentTask ?? 'Working on it — progress is steady.',
+        timestamp: new Date(now.getTime() - 115000),
+      },
+      {
+        id: '3',
+        sender: 'user',
+        content: 'Great, let me know if you hit any blockers.',
+        timestamp: new Date(now.getTime() - 110000),
+      },
+    ];
+    this.recentMessages.set(recentMessages);
+  }
+}

frontend/src/app/components/agent-session-drawer/index.ts

@@ -0,0 +1,2 @@
+export { AgentSessionDrawerComponent } from './agent-session-drawer.component';
+export type { SessionLogLine, SessionMessage } from './agent-session-drawer.component';

frontend/src/app/components/agent-status-badge/agent-status-badge.component.html

@@ -0,0 +1,8 @@
+<span class="badge"
+      [class]="statusClass"
+      [class.badge--pulse]="hasPulse"
+      [attr.aria-label]="'Agent status: ' + displayLabel"
+      role="status">
+  <span class="badge__dot"></span>
+  <span class="badge__label">{{ displayLabel }}</span>
+</span>

frontend/src/app/components/agent-status-badge/agent-status-badge.component.scss

@@ -0,0 +1,146 @@
+// ============================================================================
+// Agent Status Badge — per spec Section 7.3
+// Colored pill with dot indicator and optional pulse animation.
+// ============================================================================
+
+$badge-height: 24px;
+$dot-size: 8px;
+$border-radius: 12px;
+$font-size: 12px;
+$font-weight: 500;
+$padding-x: 8px;
+$gap: 6px;
+
+@use 'sass:color';
+
+// Status color palette
+$color-active: #22c55e;   // green-500
+$color-idle: #9ca3af;     // gray-400
+$color-thinking: #3b82f6; // blue-500
+$color-error: #ef4444;    // red-500
+$color-offline: #9ca3af;  // gray-400
+
+// Background tints (12% opacity for soft pill background)
+$bg-active: rgba($color-active, 0.12);
+$bg-idle: rgba($color-idle, 0.12);
+$bg-thinking: rgba($color-thinking, 0.12);
+$bg-error: rgba($color-error, 0.12);
+$bg-offline: rgba($color-offline, 0.12);
+
+// ---------------------------------------------------------------------------
+// Base pill
+// ---------------------------------------------------------------------------
+.badge {
+  display: inline-flex;
+  align-items: center;
+  height: $badge-height;
+  padding: 0 $padding-x;
+  border-radius: $border-radius;
+  gap: $gap;
+  font-size: $font-size;
+  font-weight: $font-weight;
+  line-height: 1;
+  white-space: nowrap;
+  user-select: none;
+}
+
+// ---------------------------------------------------------------------------
+// Dot indicator
+// ---------------------------------------------------------------------------
+.badge__dot {
+  width: $dot-size;
+  height: $dot-size;
+  border-radius: 50%;
+  flex-shrink: 0;
+}
+
+// ---------------------------------------------------------------------------
+// Label text
+// ---------------------------------------------------------------------------
+.badge__label {
+  line-height: 1;
+}
+
+// ---------------------------------------------------------------------------
+// Status color variants
+// ---------------------------------------------------------------------------
+.badge--active {
+  background: $bg-active;
+  color: color.adjust($color-active, $lightness: -10%);
+
+  .badge__dot {
+    background: $color-active;
+  }
+}
+
+.badge--idle {
+  background: $bg-idle;
+  color: color.adjust($color-idle, $lightness: -15%);
+
+  .badge__dot {
+    background: $color-idle;
+  }
+}
+
+.badge--thinking {
+  background: $bg-thinking;
+  color: color.adjust($color-thinking, $lightness: -10%);
+
+  .badge__dot {
+    background: $color-thinking;
+  }
+}
+
+.badge--error {
+  background: $bg-error;
+  color: color.adjust($color-error, $lightness: -10%);
+
+  .badge__dot {
+    background: $color-error;
+  }
+}
+
+.badge--offline {
+  background: $bg-offline;
+  color: color.adjust($color-offline, $lightness: -15%);
+
+  .badge__dot {
+    background: $color-offline;
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Pulse animation — applied when status is active, thinking, or error
+// ---------------------------------------------------------------------------
+.badge--pulse {
+  .badge__dot {
+    animation: pulse-dot 2s ease-in-out infinite;
+  }
+}
+
+// Active: 2s pulse
+.badge--active.badge--pulse .badge__dot {
+  animation-duration: 2s;
+}
+
+// Thinking: 3s pulse
+.badge--thinking.badge--pulse .badge__dot {
+  animation-duration: 3s;
+}
+
+// Error: 0.8s pulse (fast, urgent)
+.badge--error.badge--pulse .badge__dot {
+  animation-duration: 0.8s;
+}
+
+@keyframes pulse-dot {
+  0%,
+  100% {
+    opacity: 1;
+    transform: scale(1);
+  }
+  50% {
+    opacity: 0.4;
+    transform: scale(1.5);
+  }
+}

frontend/src/app/components/agent-status-badge/agent-status-badge.component.ts

@@ -0,0 +1,54 @@
+import { ChangeDetectionStrategy, Component, input } from '@angular/core';
+import { AgentStatus } from '../../models/agent.model';
+
+/**
+ * Agent Status Badge component.
+ * Displays a colored pill with a pulse animation indicating the agent's current status.
+ * Per spec Section 7.3: Agent Card Component Interface — status indicator.
+ *
+ * Color mapping:
+ * - Active → green
+ * - Idle → gray
+ * - Thinking → blue
+ * - Error → red
+ * - Offline → gray (no pulse)
+ *
+ * Pulse animations:
+ * - Active → 2s
+ * - Error → 0.8s
+ * - Thinking → 3s
+ * - Idle / Offline → no pulse
+ */
+@Component({
+  selector: 'app-agent-status-badge',
+  standalone: true,
+  imports: [],
+  templateUrl: './agent-status-badge.component.html',
+  styleUrl: './agent-status-badge.component.scss',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class AgentStatusBadgeComponent {
+  /** Current agent status — binds to the AgentStatus type from the model. */
+  readonly status = input.required<AgentStatus>();
+
+  /** Label text shown inside the badge. Defaults to title-cased status. */
+  readonly label = input<string>();
+
+  get displayLabel(): string {
+    return this.label() ?? this.titleCase(this.status());
+  }
+
+  /** CSS class driven by the current status value. */
+  get statusClass(): string {
+    return `badge--${this.status()}`;
+  }
+
+  /** Whether the pulse animation should be active for the current status. */
+  get hasPulse(): boolean {
+    return this.status() === 'active' || this.status() === 'thinking' || this.status() === 'error';
+  }
+
+  private titleCase(value: string): string {
+    return value.charAt(0).toUpperCase() + value.slice(1);
+  }
+}

frontend/src/app/components/agent-status-badge/index.ts

@@ -0,0 +1 @@
+export { AgentStatusBadgeComponent } from './agent-status-badge.component';

frontend/src/app/components/global-action-modal/global-action-modal.component.html

@@ -0,0 +1,31 @@
+<!-- Backdrop overlay — click to dismiss -->
+<div class="global-action-modal__backdrop" #backdrop (click)="onBackdropClick()"></div>
+
+<!-- Modal panel -->
+<div class="global-action-modal__panel" (click)="onModalClick($event)" role="dialog" aria-modal="true" aria-label="Global Actions">
+
+  <!-- Header -->
+  <div class="global-action-modal__header">
+    <h2 class="global-action-modal__title">Global Actions</h2>
+    <button matIconButton
+            class="global-action-modal__close"
+            aria-label="Close modal"
+            (click)="onClose()">
+      <mat-icon>close</mat-icon>
+    </button>
+  </div>
+
+  <!-- Action grid -->
+  <div class="global-action-modal__actions">
+    @for (action of actions; track action.key) {
+      <button class="global-action-modal__action-btn global-action-modal__action-btn--{{ action.color }}"
+              (click)="onAction(action)">
+        <div class="global-action-modal__action-icon">
+          <mat-icon>{{ action.icon }}</mat-icon>
+        </div>
+        <span class="global-action-modal__action-label">{{ action.label }}</span>
+        <span class="global-action-modal__action-desc">{{ action.description }}</span>
+      </button>
+    }
+  </div>
+</div>

frontend/src/app/components/global-action-modal/global-action-modal.component.scss

@@ -0,0 +1,198 @@
+// ============================================================================
+// Global Action Modal — Tactical Dark Mode Styling
+// Uses Control Center design tokens from styles.scss
+// ============================================================================
+
+// ---------------------------------------------------------------------------
+// Backdrop
+// ---------------------------------------------------------------------------
+:host {
+  display: block;
+  position: fixed;
+  inset: 0;
+  z-index: 1000;
+}
+
+.global-action-modal__backdrop {
+  position: absolute;
+  inset: 0;
+  background: rgba(0, 0, 0, 0.6);
+  backdrop-filter: blur(4px);
+}
+
+// ---------------------------------------------------------------------------
+// Modal Panel
+// ---------------------------------------------------------------------------
+.global-action-modal__panel {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  width: min(560px, calc(100vw - 48px));
+  background: var(--cc-surface-container);
+  border: 1px solid var(--cc-outline);
+  border-radius: var(--cc-card-border-radius);
+  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);
+  overflow: hidden;
+}
+
+// ---------------------------------------------------------------------------
+// Header
+// ---------------------------------------------------------------------------
+.global-action-modal__header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 20px 24px 12px;
+}
+
+.global-action-modal__title {
+  margin: 0;
+  font-size: 20px;
+  font-weight: 600;
+  color: var(--cc-on-surface);
+  letter-spacing: 0.01em;
+}
+
+.global-action-modal__close {
+  --mat-icon-button-state-layer-color: transparent;
+  color: var(--cc-on-surface-variant);
+
+  &:hover {
+    color: var(--cc-on-surface);
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Action Grid
+// ---------------------------------------------------------------------------
+.global-action-modal__actions {
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+  gap: 12px;
+  padding: 12px 24px 24px;
+}
+
+// ---------------------------------------------------------------------------
+// Action Button
+// ---------------------------------------------------------------------------
+.global-action-modal__action-btn {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 8px;
+  padding: 20px 16px;
+  border: 1px solid var(--cc-outline);
+  border-radius: 12px;
+  background: var(--cc-surface);
+  color: var(--cc-on-surface);
+  cursor: pointer;
+  transition: background 150ms ease, border-color 150ms ease, transform 100ms ease;
+  font-family: inherit;
+  text-align: center;
+
+  &:hover {
+    background: var(--cc-surface-container-high);
+    border-color: var(--cc-on-surface-variant);
+    transform: translateY(-1px);
+  }
+
+  &:active {
+    transform: translateY(0);
+  }
+
+  &:focus-visible {
+    outline: 2px solid var(--mat-sys-primary, #38BDF8);
+    outline-offset: 2px;
+  }
+}
+
+// Action icon wrapper
+.global-action-modal__action-icon {
+  width: 48px;
+  height: 48px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: 12px;
+
+  .mat-icon {
+    width: 28px;
+    height: 28px;
+    font-size: 28px;
+  }
+}
+
+// Action label
+.global-action-modal__action-label {
+  font-size: 15px;
+  font-weight: 600;
+  letter-spacing: 0.01em;
+}
+
+// Action description
+.global-action-modal__action-desc {
+  font-size: 12px;
+  color: var(--cc-on-surface-variant);
+  line-height: 1.4;
+}
+
+// ---------------------------------------------------------------------------
+// Color Variants — per-action accent colors
+// ---------------------------------------------------------------------------
+.global-action-modal__action-btn--deploy {
+  .global-action-modal__action-icon {
+    background: var(--status-active-bg);
+    color: var(--status-active);
+  }
+
+  &:hover {
+    border-color: var(--status-active);
+  }
+}
+
+.global-action-modal__action-btn--pause {
+  .global-action-modal__action-icon {
+    background: var(--status-idle-bg);
+    color: var(--status-idle);
+  }
+
+  &:hover {
+    border-color: var(--status-idle);
+  }
+}
+
+.global-action-modal__action-btn--emergency {
+  .global-action-modal__action-icon {
+    background: var(--status-error-bg);
+    color: var(--status-error);
+  }
+
+  &:hover {
+    border-color: var(--status-error);
+  }
+
+  .global-action-modal__action-label {
+    color: var(--status-error);
+  }
+}
+
+.global-action-modal__action-btn--add {
+  .global-action-modal__action-icon {
+    background: var(--status-thinking-bg);
+    color: var(--status-thinking);
+  }
+
+  &:hover {
+    border-color: var(--status-thinking);
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Responsive — stack single column on narrow viewports
+// ---------------------------------------------------------------------------
+@media (max-width: 400px) {
+  .global-action-modal__actions {
+    grid-template-columns: 1fr;
+  }
+}

frontend/src/app/components/global-action-modal/global-action-modal.component.ts

@@ -0,0 +1,87 @@
+import { ChangeDetectionStrategy, Component, ElementRef, EventEmitter, Output, ViewChild } from '@angular/core';
+import { MatIconModule } from '@angular/material/icon';
+import { MatButtonModule } from '@angular/material/button';
+
+/**
+ * Global Action Modal — overlay for fleet-wide commands.
+ *
+ * Four main actions: Deploy All, Pause All, Emergency Stop, Add Agent.
+ * Tactical Dark Mode styling using Control Center design tokens.
+ * Dismisses on backdrop click or close button.
+ */
+@Component({
+  selector: 'app-global-action-modal',
+  standalone: true,
+  imports: [MatIconModule, MatButtonModule],
+  templateUrl: './global-action-modal.component.html',
+  styleUrl: './global-action-modal.component.scss',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class GlobalActionModalComponent {
+  /** Emitted when any action button is clicked. Payload is the action key. */
+  @Output() readonly actionSelected = new EventEmitter<GlobalAction>();
+
+  /** Emitted when the modal is dismissed (backdrop click or close button). */
+  @Output() readonly dismissed = new EventEmitter<void>();
+
+  @ViewChild('backdrop') backdropEl!: ElementRef<HTMLElement>;
+
+  /** All available global actions. */
+  readonly actions: GlobalActionDef[] = [
+    {
+      key: 'deploy-all',
+      label: 'Deploy All',
+      description: 'Deploy all agents in the fleet',
+      icon: 'rocket_launch',
+      color: 'deploy',
+    },
+    {
+      key: 'pause-all',
+      label: 'Pause All',
+      description: 'Pause all running agents',
+      icon: 'pause_circle',
+      color: 'pause',
+    },
+    {
+      key: 'emergency-stop',
+      label: 'Emergency Stop',
+      description: 'Immediately halt all agents',
+      icon: 'emergency',
+      color: 'emergency',
+    },
+    {
+      key: 'add-agent',
+      label: 'Add Agent',
+      description: 'Register a new agent to the fleet',
+      icon: 'person_add',
+      color: 'add',
+    },
+  ];
+
+  onBackdropClick(): void {
+    this.dismissed.emit();
+  }
+
+  onModalClick(event: Event): void {
+    // Prevent clicks inside the modal panel from closing it
+    event.stopPropagation();
+  }
+
+  onClose(): void {
+    this.dismissed.emit();
+  }
+
+  onAction(action: GlobalActionDef): void {
+    this.actionSelected.emit(action.key);
+  }
+}
+
+export type GlobalAction = 'deploy-all' | 'pause-all' | 'emergency-stop' | 'add-agent';
+
+export interface GlobalActionDef {
+  key: GlobalAction;
+  label: string;
+  description: string;
+  icon: string;
+  color: 'deploy' | 'pause' | 'emergency' | 'add';
+}

frontend/src/app/components/index.ts

@@ -0,0 +1,5 @@
+export * from './quick-jump-button/quick-jump-button.component';
+export { AgentStatusBadgeComponent } from './agent-status-badge/agent-status-badge.component';
+export { QuickJumpDrawerComponent } from './quick-jump-drawer/index';
+export { AgentSessionDrawerComponent } from './agent-session-drawer/index';
+export type { SessionLogLine, SessionMessage } from './agent-session-drawer/index';

frontend/src/app/components/quick-jump-button/quick-jump-button.component.html

@@ -0,0 +1,8 @@
+<button
+  mat-icon-button
+  class="quick-jump-button"
+  [attr.aria-label]="'Jump to agent session'"
+  (click)="onJumpClick()"
+>
+  <mat-icon>arrow_forward</mat-icon>
+</button>

frontend/src/app/components/quick-jump-button/quick-jump-button.component.scss

@@ -0,0 +1,68 @@
+// ============================================================================
+// Quick-Jump Button — M3 FilledTonalIconButton
+// Per spec Section 7.3: Agent Card Quick-Jump action
+// M3 spec: FilledTonalIconButton uses secondary container color
+// with 8% state layer overlay for hover/focus.
+// ============================================================================
+
+.quick-jump-button {
+  // M3 FilledTonalIconButton: secondary-container background
+  // Angular Material mat-icon-button sets up the base shape (40x40, round).
+  // We override the color tokens to match FilledTonal style.
+  --mdc-icon-button-icon-color: var(--mat-sys-on-secondary-container);
+  background-color: var(--mat-sys-secondary-container);
+  border-radius: 50%;
+  transition: background-color 150ms cubic-bezier(0.4, 0, 0.2, 1);
+
+  // M3 State Layer: 8% overlay on hover
+  &:hover {
+    background-color: var(--mat-sys-secondary-container);
+    // State layer overlay using a pseudo-element for precise 8% opacity
+    &::after {
+      content: '';
+      position: absolute;
+      inset: 0;
+      border-radius: 50%;
+      background-color: var(--mat-sys-on-secondary-container);
+      opacity: 0.08;
+      pointer-events: none;
+    }
+  }
+
+  // M3 State Layer: 12% overlay on focus-visible (slightly stronger for accessibility)
+  &:focus-visible {
+    background-color: var(--mat-sys-secondary-container);
+    outline: 3px solid var(--status-active);
+    outline-offset: 2px;
+
+    &::after {
+      content: '';
+      position: absolute;
+      inset: 0;
+      border-radius: 50%;
+      background-color: var(--mat-sys-on-secondary-container);
+      opacity: 0.12;
+      pointer-events: none;
+    }
+  }
+
+  // M3 State Layer: 12% overlay on active/pressed
+  &:active {
+    background-color: var(--mat-sys-secondary-container);
+
+    &::after {
+      content: '';
+      position: absolute;
+      inset: 0;
+      border-radius: 50%;
+      background-color: var(--mat-sys-on-secondary-container);
+      opacity: 0.12;
+      pointer-events: none;
+    }
+  }
+
+  // Icon color stays on-secondary-container across all states
+  .mat-icon {
+    color: var(--mat-sys-on-secondary-container);
+  }
+}

frontend/src/app/components/quick-jump-button/quick-jump-button.component.ts

@@ -0,0 +1,32 @@
+import { ChangeDetectionStrategy, Component, EventEmitter, Output } from '@angular/core';
+import { MatIconButton } from '@angular/material/button';
+import { MatIcon } from '@angular/material/icon';
+
+/**
+ * Quick-Jump Button — M3 FilledTonalIconButton
+ *
+ * An icon button that emits a navigation event for jumping to an agent session.
+ * Uses the Material Design 3 FilledTonalIconButton style with 8% state layer
+ * overlay on hover and focus.
+ *
+ * Per spec Section 7.3: Agent Card Component Interface
+ */
+@Component({
+  selector: 'app-quick-jump-button',
+  standalone: true,
+  imports: [MatIconButton, MatIcon],
+  templateUrl: './quick-jump-button.component.html',
+  styleUrl: './quick-jump-button.component.scss',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class QuickJumpButtonComponent {
+  /** Emitted when the button is clicked, carrying the session key for navigation. */
+  @Output() jumpClick = new EventEmitter<string>();
+
+  /** The session key to navigate to. Set by the parent agent card. */
+  sessionKey = '';
+
+  onJumpClick(): void {
+    this.jumpClick.emit(this.sessionKey);
+  }
+}

frontend/src/app/components/quick-jump-drawer/index.ts

@@ -0,0 +1 @@
+export { QuickJumpDrawerComponent } from './quick-jump-drawer.component';

frontend/src/app/components/quick-jump-drawer/quick-jump-drawer.component.html

@@ -0,0 +1,109 @@
+<!-- ============================================================================
+  Quick-Jump Drawer — Slide-out panel for fast agent switching
+  Per CUB-51: Slides from right, agent list with status badges,
+  search/filter input, closes via ESC or outside click.
+  ============================================================================-->
+
+<!-- Backdrop overlay -->
+@if (isOpen()) {
+  <div
+    class="quick-jump-backdrop"
+    (click)="onBackdropClick($event)"
+    [@backdropEnter]
+  ></div>
+}
+
+<!-- Drawer panel -->
+<div
+  class="quick-jump-drawer"
+  [class.quick-jump-drawer--open]="isOpen()"
+  (keydown)="onDrawerKeydown($event)"
+  role="dialog"
+  aria-label="Quick jump to agent"
+  [attr.aria-hidden]="!isOpen()"
+>
+  <!-- Drawer header -->
+  <div class="quick-jump-drawer__header">
+    <h2 class="quick-jump-drawer__title">Jump to Agent</h2>
+    <button
+      class="quick-jump-drawer__close-btn"
+      type="button"
+      aria-label="Close drawer"
+      (click)="close()"
+    >
+      ✕
+    </button>
+  </div>
+
+  <!-- Search input -->
+  <div class="quick-jump-drawer__search">
+    <span class="quick-jump-drawer__search-icon">search</span>
+    <input
+      #searchInput
+      type="text"
+      class="quick-jump-drawer__search-input"
+      placeholder="Search agents..."
+      [formControl]="searchControl"
+      autocomplete="off"
+      aria-label="Search agents"
+    />
+    @if (searchControl.value) {
+      <button
+        class="quick-jump-drawer__search-clear"
+        type="button"
+        aria-label="Clear search"
+        (click)="searchControl.setValue('')"
+      >
+        ✕
+      </button>
+    }
+  </div>
+
+  <!-- Agent list -->
+  <ul class="quick-jump-drawer__agent-list" role="listbox" aria-label="Agent list">
+    @for (agent of filteredAgents(); track agent.id; let i = $index) {
+      <li
+        [id]="'quick-jump-agent-' + i"
+        class="quick-jump-drawer__agent-item"
+        [class.quick-jump-drawer__agent-item--highlighted]="highlightedIndex() === i"
+        role="option"
+        [attr.aria-selected]="highlightedIndex() === i"
+        (click)="selectAgent(agent)"
+        (mouseenter)="highlightedIndex.set(i)"
+        (mouseleave)="highlightedIndex.set(-1)"
+      >
+        <!-- Status badge -->
+        <span
+          class="status-dot {{ getStatusClass(agent.status) }}"
+          [attr.aria-label]="getStatusLabel(agent.status)"
+        ></span>
+
+        <!-- Agent info -->
+        <div class="quick-jump-drawer__agent-info">
+          <span class="quick-jump-drawer__agent-name">{{ agent.displayName }}</span>
+          <span class="quick-jump-drawer__agent-role">{{ agent.role }}</span>
+        </div>
+
+        <!-- Status label -->
+        <span class="quick-jump-drawer__agent-status-label" [class]="'status-label--' + agent.status">
+          {{ getStatusLabel(agent.status) }}
+        </span>
+      </li>
+    } @empty {
+      <li class="quick-jump-drawer__empty">
+        @if (searchControl.value) {
+          <span>No agents matching "{{ searchControl.value }}"</span>
+        } @else {
+          <span>No agents online</span>
+        }
+      </li>
+    }
+  </ul>
+
+  <!-- Footer hint -->
+  <div class="quick-jump-drawer__footer">
+    <span class="quick-jump-drawer__footer-hint">
+      <kbd>↑↓</kbd> Navigate &nbsp; <kbd>↵</kbd> Select &nbsp; <kbd>Esc</kbd> Close
+    </span>
+  </div>
+</div>

frontend/src/app/components/quick-jump-drawer/quick-jump-drawer.component.scss

@@ -0,0 +1,333 @@
+// ============================================================================
+// Quick-Jump Drawer — Slide-out panel for fast agent switching
+// Per CUB-51: slides from right, agent list with status badges,
+// search/filter input, closes via ESC or outside click.
+// ============================================================================
+
+// ---------------------------------------------------------------------------
+// Backdrop
+// ---------------------------------------------------------------------------
+.quick-jump-backdrop {
+  position: fixed;
+  inset: 0;
+  background-color: rgba(0, 0, 0, 0.5);
+  z-index: 998;
+  opacity: 0;
+  transition: opacity 200ms ease-out;
+
+  &.backdrop-visible {
+    opacity: 1;
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Drawer Panel
+// ---------------------------------------------------------------------------
+.quick-jump-drawer {
+  position: fixed;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  width: 380px;
+  max-width: 90vw;
+  background-color: var(--cc-surface-container);
+  border-left: 1px solid var(--cc-outline);
+  z-index: 999;
+  display: flex;
+  flex-direction: column;
+  transform: translateX(100%);
+  transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
+  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.3);
+
+  &--open {
+    transform: translateX(0);
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Header
+// ---------------------------------------------------------------------------
+.quick-jump-drawer__header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 20px 24px 12px;
+  border-bottom: 1px solid var(--cc-outline);
+}
+
+.quick-jump-drawer__title {
+  font-size: 20px;
+  font-weight: 500;
+  color: var(--cc-on-surface);
+  margin: 0;
+  letter-spacing: -0.01em;
+}
+
+.quick-jump-drawer__close-btn {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 36px;
+  height: 36px;
+  border: none;
+  border-radius: 8px;
+  background: transparent;
+  color: var(--cc-on-surface-variant);
+  font-size: 18px;
+  cursor: pointer;
+  transition: background-color 150ms ease, color 150ms ease;
+
+  &:hover {
+    background-color: var(--cc-surface-container-high);
+    color: var(--cc-on-surface);
+  }
+
+  &:focus-visible {
+    outline: 2px solid var(--status-active);
+    outline-offset: 2px;
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Search
+// ---------------------------------------------------------------------------
+.quick-jump-drawer__search {
+  position: relative;
+  display: flex;
+  align-items: center;
+  margin: 16px 24px 8px;
+  border: 1px solid var(--cc-outline);
+  border-radius: 12px;
+  background-color: var(--cc-surface-container-high);
+  transition: border-color 150ms ease;
+
+  &:focus-within {
+    border-color: var(--status-active);
+  }
+}
+
+.quick-jump-drawer__search-icon {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding-left: 12px;
+  font-family: 'Material Icons';
+  font-size: 20px;
+  color: var(--cc-on-surface-variant);
+  pointer-events: none;
+  user-select: none;
+
+  // Use a simple "search" text since icon font may not be loaded inside
+  // the drawer — rely on Material icon font from the parent app
+  &::before {
+    content: 'search';
+    font-family: 'Material Icons';
+  }
+}
+
+.quick-jump-drawer__search-input {
+  flex: 1;
+  border: none;
+  outline: none;
+  background: transparent;
+  padding: 12px 8px;
+  font-size: 15px;
+  font-family: 'Inter', 'Roboto', sans-serif;
+  color: var(--cc-on-surface);
+
+  &::placeholder {
+    color: var(--cc-on-surface-variant);
+    opacity: 0.7;
+  }
+}
+
+.quick-jump-drawer__search-clear {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 32px;
+  height: 32px;
+  margin-right: 4px;
+  border: none;
+  border-radius: 8px;
+  background: transparent;
+  color: var(--cc-on-surface-variant);
+  font-size: 14px;
+  cursor: pointer;
+  transition: background-color 150ms ease, color 150ms ease;
+
+  &:hover {
+    background-color: var(--cc-surface-container);
+    color: var(--cc-on-surface);
+  }
+
+  &:focus-visible {
+    outline: 2px solid var(--status-active);
+    outline-offset: 2px;
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Agent List
+// ---------------------------------------------------------------------------
+.quick-jump-drawer__agent-list {
+  list-style: none;
+  margin: 0;
+  padding: 8px 12px;
+  overflow-y: auto;
+  flex: 1;
+}
+
+.quick-jump-drawer__agent-item {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  padding: 12px;
+  border-radius: 12px;
+  cursor: pointer;
+  transition: background-color 150ms ease;
+
+  &:hover,
+  &--highlighted {
+    background-color: var(--cc-surface-container-high);
+  }
+
+  &--highlighted {
+    outline: 2px solid var(--status-active);
+    outline-offset: -2px;
+  }
+
+  &:focus-visible {
+    outline: 2px solid var(--status-active);
+    outline-offset: 2px;
+  }
+}
+
+.quick-jump-drawer__agent-info {
+  display: flex;
+  flex-direction: column;
+  gap: 2px;
+  min-width: 0; // Allow text truncation
+  flex: 1;
+}
+
+.quick-jump-drawer__agent-name {
+  font-size: 15px;
+  font-weight: 500;
+  color: var(--cc-on-surface);
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.quick-jump-drawer__agent-role {
+  font-size: 12px;
+  color: var(--cc-on-surface-variant);
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.quick-jump-drawer__agent-status-label {
+  font-size: 11px;
+  font-weight: 500;
+  text-transform: uppercase;
+  letter-spacing: 0.05em;
+  padding: 3px 8px;
+  border-radius: 6px;
+  white-space: nowrap;
+
+  &.status-label--active {
+    color: var(--status-active);
+    background-color: var(--status-active-bg);
+  }
+
+  &.status-label--idle {
+    color: var(--status-idle);
+    background-color: var(--status-idle-bg);
+  }
+
+  &.status-label--thinking {
+    color: var(--status-thinking);
+    background-color: var(--status-thinking-bg);
+  }
+
+  &.status-label--error {
+    color: var(--status-error);
+    background-color: var(--status-error-bg);
+  }
+
+  &.status-label--offline {
+    color: var(--status-offline);
+    background-color: rgba(100, 116, 139, 0.12);
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Empty State
+// ---------------------------------------------------------------------------
+.quick-jump-drawer__empty {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 48px 24px;
+  color: var(--cc-on-surface-variant);
+  font-size: 14px;
+  text-align: center;
+}
+
+// ---------------------------------------------------------------------------
+// Footer
+// ---------------------------------------------------------------------------
+.quick-jump-drawer__footer {
+  padding: 12px 24px 16px;
+  border-top: 1px solid var(--cc-outline);
+}
+
+.quick-jump-drawer__footer-hint {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 4px;
+  font-size: 11px;
+  color: var(--cc-on-surface-variant);
+  opacity: 0.7;
+
+  kbd {
+    display: inline-block;
+    padding: 2px 6px;
+    font-size: 11px;
+    font-family: var(--cc-font-mono);
+    background-color: var(--cc-surface-container-high);
+    border: 1px solid var(--cc-outline);
+    border-radius: 4px;
+    color: var(--cc-on-surface-variant);
+    line-height: 1.4;
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Mobile Adjustments
+// ---------------------------------------------------------------------------
+@media (max-width: 599px) {
+  .quick-jump-drawer {
+    width: 100%;
+    max-width: 100vw;
+  }
+
+  .quick-jump-drawer__header {
+    padding: 16px 16px 10px;
+  }
+
+  .quick-jump-drawer__search {
+    margin: 12px 16px 8px;
+  }
+
+  .quick-jump-drawer__agent-list {
+    padding: 4px 8px;
+  }
+
+  .quick-jump-drawer__footer {
+    padding: 10px 16px 14px;
+  }
+}

frontend/src/app/components/quick-jump-drawer/quick-jump-drawer.component.ts

@@ -0,0 +1,215 @@
+import {
+  ChangeDetectionStrategy,
+  Component,
+  ElementRef,
+  EventEmitter,
+  HostListener,
+  OnDestroy,
+  Output,
+  signal,
+  ViewChild,
+} from '@angular/core';
+import { FormControl, ReactiveFormsModule } from '@angular/forms';
+import { Subject, takeUntil } from 'rxjs';
+import { AgentCardData } from '../../models/agent.model';
+import { AgentStatusService } from '../../services/agent-status.service';
+
+@Component({
+  selector: 'app-quick-jump-drawer',
+  standalone: true,
+  imports: [ReactiveFormsModule],
+  templateUrl: './quick-jump-drawer.component.html',
+  styleUrl: './quick-jump-drawer.component.scss',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class QuickJumpDrawerComponent implements OnDestroy {
+  /** Emits when the drawer should close (ESC, outside click, or item select). */
+  @Output() readonly drawerClose = new EventEmitter<void>();
+
+  /** Whether the drawer is visible. */
+  readonly isOpen = signal(false);
+
+  /** Search/filter input control. */
+  readonly searchControl = new FormControl('', { nonNullable: true });
+
+  /** Filtered agent list based on search. */
+  readonly filteredAgents = signal<AgentCardData[]>([]);
+
+  /** Track which agent row is highlighted via keyboard navigation. */
+  readonly highlightedIndex = signal(-1);
+
+  @ViewChild('searchInput') searchInput!: ElementRef<HTMLInputElement>;
+  @ViewChild('drawerPanel') drawerPanel!: ElementRef<HTMLElement>;
+
+  private readonly destroy$ = new Subject<void>();
+
+  constructor(private readonly agentStatusService: AgentStatusService) {
+    // Reactively filter agents as the search input changes
+    this.searchControl.valueChanges
+      .pipe(takeUntil(this.destroy$))
+      .subscribe((query) => this.filterAgents(query));
+
+    // Initial load
+    this.filterAgents('');
+  }
+
+  // ---------------------------------------------------------------------------
+  // Public API
+  // ---------------------------------------------------------------------------
+
+  /** Open the drawer and focus the search input. */
+  open(): void {
+    this.isOpen.set(true);
+    this.searchControl.setValue('', { emitEvent: false });
+    this.highlightedIndex.set(-1);
+    // Focus search input after animation frame (drawer needs to render first)
+    requestAnimationFrame(() => {
+      this.searchInput?.nativeElement?.focus();
+    });
+  }
+
+  /** Close the drawer. */
+  close(): void {
+    this.isOpen.set(false);
+    this.searchControl.setValue('', { emitEvent: false });
+    this.highlightedIndex.set(-1);
+    this.drawerClose.emit();
+  }
+
+  /** Toggle the drawer open/close. */
+  toggle(): void {
+    if (this.isOpen()) {
+      this.close();
+    } else {
+      this.open();
+    }
+  }
+
+  // ---------------------------------------------------------------------------
+  // Keyboard Handling
+  // ---------------------------------------------------------------------------
+
+  @HostListener('document:keydown.escape')
+  onEscapeKey(): void {
+    if (this.isOpen()) {
+      this.close();
+    }
+  }
+
+  /** Handle keyboard navigation within the drawer panel. */
+  onDrawerKeydown(event: KeyboardEvent): void {
+    const agents = this.filteredAgents();
+    if (!agents.length) return;
+
+    switch (event.key) {
+      case 'ArrowDown': {
+        event.preventDefault();
+        this.highlightedIndex.update((i) =>
+          i < agents.length - 1 ? i + 1 : 0
+        );
+        this.scrollIntoView();
+        break;
+      }
+      case 'ArrowUp': {
+        event.preventDefault();
+        this.highlightedIndex.update((i) =>
+          i > 0 ? i - 1 : agents.length - 1
+        );
+        this.scrollIntoView();
+        break;
+      }
+      case 'Enter': {
+        const idx = this.highlightedIndex();
+        if (idx >= 0 && idx < agents.length) {
+          this.selectAgent(agents[idx]);
+        }
+        break;
+      }
+    }
+  }
+
+  // ---------------------------------------------------------------------------
+  // Outside Click
+  // ---------------------------------------------------------------------------
+
+  /** Close when clicking on the backdrop (outside the panel). */
+  onBackdropClick(event: MouseEvent): void {
+    if (
+      this.drawerPanel?.nativeElement &&
+      !this.drawerPanel.nativeElement.contains(event.target as Node)
+    ) {
+      this.close();
+    }
+  }
+
+  // ---------------------------------------------------------------------------
+  // Agent Selection
+  // ---------------------------------------------------------------------------
+
+  /** Select an agent — navigates or focuses the agent card. */
+  selectAgent(agent: AgentCardData): void {
+    // TODO: Wire up navigation to the selected agent's detail view
+    // For now, emit close after selection
+    console.log('[QuickJump] Selected agent:', agent.id);
+    this.close();
+  }
+
+  // ---------------------------------------------------------------------------
+  // Status Helpers
+  // ---------------------------------------------------------------------------
+
+  /** Get the CSS class for a given agent status. */
+  getStatusClass(status: string): string {
+    return `status-dot--${status}`;
+  }
+
+  /** Get a human-readable label for an agent status. */
+  getStatusLabel(status: string): string {
+    const labels: Record<string, string> = {
+      active: 'Active',
+      idle: 'Idle',
+      thinking: 'Thinking',
+      error: 'Error',
+      offline: 'Offline',
+    };
+    return labels[status] ?? status;
+  }
+
+  // ---------------------------------------------------------------------------
+  // Lifecycle
+  // ---------------------------------------------------------------------------
+
+  ngOnDestroy(): void {
+    this.destroy$.next();
+    this.destroy$.complete();
+  }
+
+  // ---------------------------------------------------------------------------
+  // Private
+  // ---------------------------------------------------------------------------
+
+  private filterAgents(query: string): void {
+    const allAgents = this.agentStatusService.agents();
+    const lowerQuery = query.toLowerCase().trim();
+
+    if (!lowerQuery) {
+      this.filteredAgents.set(allAgents);
+      return;
+    }
+
+    const filtered = allAgents.filter(
+      (agent) =>
+        agent.displayName.toLowerCase().includes(lowerQuery) ||
+        agent.id.toLowerCase().includes(lowerQuery) ||
+        agent.role.toLowerCase().includes(lowerQuery)
+    );
+    this.filteredAgents.set(filtered);
+    this.highlightedIndex.set(-1);
+  }
+
+  private scrollIntoView(): void {
+    const idx = this.highlightedIndex();
+    const el = document.getElementById(`quick-jump-agent-${idx}`);
+    el?.scrollIntoView({ block: 'nearest', behavior: 'smooth' });
+  }
+}

frontend/src/app/components/task-progress-bar/index.ts

@@ -0,0 +1,6 @@
+// ============================================================================
+// Task Progress Bar — Barrel Export
+// CUB-44
+// ============================================================================
+
+export { TaskProgressBarComponent } from './task-progress-bar.component';

frontend/src/app/components/task-progress-bar/task-progress-bar.component.html

@@ -0,0 +1,18 @@
+<!-- Task Progress Bar: determinate progress with optional elapsed time -->
+<div class="task-progress-bar">
+  <!-- Info row: percentage + optional elapsed -->
+  <div class="task-progress-bar__info">
+    <span class="task-progress-bar__percent">{{ clampedProgress }}%</span>
+    <span *ngIf="showElapsed" class="task-progress-bar__elapsed">
+      {{ elapsedText }}
+    </span>
+  </div>
+
+  <!-- Angular Material determinate progress bar -->
+  <mat-progress-bar
+    class="task-progress-bar__bar"
+    mode="determinate"
+    [value]="clampedProgress"
+    aria-label="Task progress"
+  ></mat-progress-bar>
+</div>

frontend/src/app/components/task-progress-bar/task-progress-bar.component.scss

@@ -0,0 +1,77 @@
+// ============================================================================
+// Task Progress Bar — Tactical Dark Theme Styling
+// Per CUB-44: Uses --color-primary for bar fill and --color-surface-light
+// for track background, mapped to the Control Center's M3 dark tokens.
+// ============================================================================
+
+// ---------------------------------------------------------------------------
+// Container
+// ---------------------------------------------------------------------------
+.task-progress-bar {
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+  width: 100%;
+}
+
+// ---------------------------------------------------------------------------
+// Info row: percentage label + elapsed time
+// ---------------------------------------------------------------------------
+.task-progress-bar__info {
+  display: flex;
+  align-items: baseline;
+  justify-content: space-between;
+  gap: 8px;
+}
+
+.task-progress-bar__percent {
+  font-family: var(--cc-font-mono, 'Roboto Mono', monospace);
+  font-size: 14px;
+  font-weight: 600;
+  color: var(--cc-on-surface, #E2E8F0);
+  letter-spacing: 0.02em;
+}
+
+.task-progress-bar__elapsed {
+  font-family: var(--cc-font-mono, 'Roboto Mono', monospace);
+  font-size: 12px;
+  font-weight: 400;
+  color: var(--cc-on-surface-variant, #8A9BB0);
+  letter-spacing: 0.01em;
+}
+
+// ---------------------------------------------------------------------------
+// Material Progress Bar Overrides
+// ---------------------------------------------------------------------------
+// Map the spec's --color-primary and --color-surface-light to the Control
+// Center's actual theme tokens. This ensures the bar uses the tactical dark
+// palette while respecting the spec's variable naming.
+// ---------------------------------------------------------------------------
+
+.task-progress-bar__bar {
+  // Override the track (background) to use the surface container
+  --mat-progress-bar-track-height: 6px;
+  --mat-progress-bar-active-indicator-height: 6px;
+
+  // Bar fill color: primary (cyan/sky blue per tactical dark theme)
+  --mat-progress-bar-active-indicator-color: var(--color-primary, var(--mat-sys-primary, #38BDF8));
+
+  // Track background: surface container (dark slate)
+  --mat-progress-bar-track-color: var(--color-surface-light, var(--cc-surface-container, #1C2027));
+
+  // Border radius for a softer bar
+  border-radius: 3px;
+
+  // Smooth transition on value changes
+  transition: none;
+}
+
+// Rounded ends on the progress bar fill
+:host ::ng-deep .mdc-linear-progress__bar-inner {
+  border-radius: 3px;
+}
+
+// Rounded track background
+:host ::ng-deep .mdc-linear-progress__track {
+  border-radius: 3px;
+}

frontend/src/app/components/task-progress-bar/task-progress-bar.component.ts

@@ -0,0 +1,109 @@
+// ============================================================================
+// Task Progress Bar Component
+// Per CUB-44: Determinate progress bar with optional elapsed time display.
+// Uses Angular Material mat-progress-bar in determinate mode with tactical
+// dark theme styling via CSS custom properties.
+// ============================================================================
+
+import {
+  ChangeDetectionStrategy,
+  ChangeDetectorRef,
+  Component,
+  Input,
+  OnDestroy,
+  OnInit,
+} from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { MatProgressBarModule } from '@angular/material/progress-bar';
+
+/**
+ * Displays a determinate progress bar with an optional elapsed time indicator.
+ *
+ * Usage:
+ * ```html
+ * <app-task-progress-bar [progress]="65" />
+ * <app-task-progress-bar [progress]="42" [showElapsed]="true" />
+ * ```
+ */
+@Component({
+  selector: 'app-task-progress-bar',
+  standalone: true,
+  imports: [CommonModule, MatProgressBarModule],
+  templateUrl: './task-progress-bar.component.html',
+  styleUrl: './task-progress-bar.component.scss',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class TaskProgressBarComponent implements OnInit, OnDestroy {
+  // ---------------------------------------------------------------------------
+  // Inputs
+  // ---------------------------------------------------------------------------
+
+  /** Current progress percentage (0–100). Required. */
+  @Input({ required: true })
+  progress!: number;
+
+  /** Whether to show elapsed time next to the percentage. Defaults to false. */
+  @Input()
+  showElapsed = false;
+
+  // ---------------------------------------------------------------------------
+  // Internal state
+  // ---------------------------------------------------------------------------
+
+  /** Timestamp when the component initialized — used for elapsed calculation. */
+  startTime = Date.now();
+
+  /** Formatted elapsed time string, e.g. "2m 15s ago". */
+  elapsedText = '';
+
+  /** Interval timer for updating the elapsed display. */
+  private timer: ReturnType<typeof setInterval> | null = null;
+
+  constructor(private cdr: ChangeDetectorRef) {}
+
+  // ---------------------------------------------------------------------------
+  // Lifecycle
+  // ---------------------------------------------------------------------------
+
+  ngOnInit(): void {
+    this.updateElapsed();
+
+    if (this.showElapsed) {
+      // Update elapsed time every second
+      this.timer = setInterval(() => {
+        this.updateElapsed();
+        this.cdr.markForCheck();
+      }, 1000);
+    }
+  }
+
+  ngOnDestroy(): void {
+    if (this.timer) {
+      clearInterval(this.timer);
+      this.timer = null;
+    }
+  }
+
+  // ---------------------------------------------------------------------------
+  // Helpers
+  // ---------------------------------------------------------------------------
+
+  /** Clamp progress to 0–100 for safety. */
+  get clampedProgress(): number {
+    return Math.max(0, Math.min(100, this.progress ?? 0));
+  }
+
+  /** Recalculate the elapsed time string. */
+  private updateElapsed(): void {
+    const elapsedMs = Date.now() - this.startTime;
+    const totalSeconds = Math.floor(elapsedMs / 1000);
+    const minutes = Math.floor(totalSeconds / 60);
+    const seconds = totalSeconds % 60;
+
+    if (minutes > 0) {
+      this.elapsedText = `${minutes}m ${seconds}s ago`;
+    } else {
+      this.elapsedText = `${seconds}s ago`;
+    }
+  }
+}

frontend/src/app/design/index.ts

@@ -0,0 +1,11 @@
+// ============================================================================
+// OpenClaw Control Center — Design System Barrel Export
+// ============================================================================
+// Import everything from '@app/design' for convenient access.
+//
+// Usage:
+//   import { CcTokens, CcThemeService, CcCssProps } from '@app/design';
+// ============================================================================
+
+export * from './tokens';
+export * from './theme.service';

frontend/src/app/design/theme.service.ts

@@ -0,0 +1,151 @@
+// ============================================================================
+// OpenClaw Control Center — Theme Service
+// ============================================================================
+// Angular service providing programmatic access to design tokens, theme
+// mode switching (dark/light), and runtime CSS custom property manipulation.
+//
+// Usage:
+//   constructor(private theme: CcThemeService) {}
+//
+//   // Read a token
+//   const primary = this.theme.getToken('--cc-color-primary');
+//
+//   // Set a token at runtime
+//   this.theme.setToken('--cc-color-primary', '#00ff00');
+//
+//   // Toggle theme
+//   this.theme.setMode('light');
+// ============================================================================
+
+import { Injectable, signal, computed, effect } from '@angular/core';
+import { CcCssProps, getStatusColor, setCssToken, getCssToken } from './tokens';
+
+// ---------------------------------------------------------------------------
+// Theme Mode Types
+// ---------------------------------------------------------------------------
+export type ThemeMode = 'dark' | 'light';
+
+// ---------------------------------------------------------------------------
+// Light theme overrides (future use)
+// ---------------------------------------------------------------------------
+const LIGHT_THEME_OVERRIDES: Record<string, string> = {
+  // Surface tokens
+  '--cc-surface-darkest':     '#F8FAFC',
+  '--cc-surface-dark':        '#FFFFFF',
+  '--cc-surface-medium':      '#F1F5F9',
+  '--cc-surface-light':       '#E2E8F0',
+  '--cc-surface-lighter':     '#CBD5E1',
+
+  // On-surface tokens
+  '--cc-on-surface':          '#0F172A',
+  '--cc-on-surface-variant':  '#475569',
+  '--cc-on-surface-muted':    '#94A3B8',
+
+  // Border
+  '--cc-surface-lighter-alt': '#E2E8F0',
+
+  // M3 system overrides for light
+  '--mat-sys-surface':                '#FFFFFF',
+  '--mat-sys-surface-container':      '#F1F5F9',
+  '--mat-sys-surface-container-high': '#E2E8F0',
+  '--mat-sys-on-surface':            '#0F172A',
+  '--mat-sys-on-surface-variant':    '#475569',
+  '--mat-sys-outline':               '#CBD5E1',
+  '--mat-sys-background':            '#F8FAFC',
+};
+
+// ---------------------------------------------------------------------------
+// Dark theme (matches the SCSS defaults)
+// ---------------------------------------------------------------------------
+const DARK_THEME_OVERRIDES: Record<string, string> = {
+  '--cc-surface-darkest':     '#0D0F12',
+  '--cc-surface-dark':        '#13161A',
+  '--cc-surface-medium':      '#1C2027',
+  '--cc-surface-light':       '#252B33',
+  '--cc-surface-lighter':     '#2D3748',
+
+  '--cc-on-surface':          '#E2E8F0',
+  '--cc-on-surface-variant':  '#8A9BB0',
+  '--cc-on-surface-muted':    '#64748B',
+
+  '--mat-sys-surface':                '#13161A',
+  '--mat-sys-surface-container':      '#1C2027',
+  '--mat-sys-surface-container-high': '#252B33',
+  '--mat-sys-on-surface':            '#E2E8F0',
+  '--mat-sys-on-surface-variant':    '#8A9BB0',
+  '--mat-sys-outline':               '#2D3748',
+  '--mat-sys-background':            '#0D0F12',
+};
+
+@Injectable({ providedIn: 'root' })
+export class CcThemeService {
+  // ---------------------------------------------------------------------------
+  // Signals for reactive theme state
+  // ---------------------------------------------------------------------------
+  private readonly _mode = signal<ThemeMode>(
+    (localStorage.getItem('cc-theme') as ThemeMode) ?? 'dark'
+  );
+
+  /** Current theme mode */
+  readonly mode = this._mode.asReadonly();
+
+  /** Computed: is the current mode dark? */
+  readonly isDark = computed(() => this._mode() === 'dark');
+
+  /** Computed: is the current mode light? */
+  readonly isLight = computed(() => this._mode() === 'light');
+
+  constructor() {
+    // Apply theme on init and whenever mode changes
+    effect(() => {
+      this.applyTheme(this._mode());
+    });
+  }
+
+  // ---------------------------------------------------------------------------
+  // Public API
+  // ---------------------------------------------------------------------------
+
+  /** Set the theme mode and persist to localStorage */
+  setMode(mode: ThemeMode): void {
+    this._mode.set(mode);
+    localStorage.setItem('cc-theme', mode);
+  }
+
+  /** Toggle between dark and light mode */
+  toggle(): void {
+    this.setMode(this._mode() === 'dark' ? 'light' : 'dark');
+  }
+
+  /** Read a CSS custom property from the document root */
+  getToken(property: string): string {
+    return getCssToken(property);
+  }
+
+  /** Set a CSS custom property on the document root */
+  setToken(property: string, value: string): void {
+    setCssToken(property, value);
+  }
+
+  /** Get status color set by agent status */
+  getStatusColors(status: string): { fg: string; bg: string; border: string } {
+    return getStatusColor(status);
+  }
+
+  // ---------------------------------------------------------------------------
+  // Internal
+  // ---------------------------------------------------------------------------
+
+  /** Apply a theme mode by setting all CSS custom properties */
+  private applyTheme(mode: ThemeMode): void {
+    const overrides = mode === 'dark' ? DARK_THEME_OVERRIDES : LIGHT_THEME_OVERRIDES;
+
+    // Set color-scheme for native form controls
+    document.documentElement.style.setProperty('color-scheme', mode);
+
+    // Apply all overrides
+    for (const [prop, value] of Object.entries(overrides)) {
+      document.documentElement.style.setProperty(prop, value);
+    }
+  }
+}

frontend/src/app/design/tokens.ts

@@ -0,0 +1,462 @@
+// ============================================================================
+// OpenClaw Control Center — Design Tokens (TypeScript)
+// ============================================================================
+// Typed representation of the design system tokens for programmatic access.
+// These mirror the SCSS tokens in styles/_tokens.scss and the CSS custom
+// properties emitted by styles/_css-properties.scss.
+//
+// Usage:
+//   import { CcTokens } from '@app/design/tokens';
+//   const primary = CcTokens.color.primary;
+//   const surface = CcTokens.surface.dark;
+// ============================================================================
+
+// ---------------------------------------------------------------------------
+// Color Palette
+// ---------------------------------------------------------------------------
+export const CcColors = {
+  primary: {
+    50:  '#ecfeff',
+    100: '#cffafe',
+    200: '#a5f3fc',
+    300: '#67e8f9',
+    400: '#22d3ee',
+    500: '#38bdf8',
+    600: '#0ea5e9',
+    700: '#0284c7',
+    800: '#0369a1',
+    900: '#075985',
+  },
+  secondary: {
+    50:  '#f0fdfa',
+    100: '#ccfbf1',
+    200: '#99f6e4',
+    300: '#5eead4',
+    400: '#2dd4bf',
+    500: '#14b8a6',
+    600: '#0d9488',
+    700: '#0f766e',
+    800: '#115e59',
+    900: '#134e4a',
+  },
+  accent: {
+    50:  '#f5f3ff',
+    100: '#ede9fe',
+    200: '#ddd6fe',
+    300: '#c4b5fd',
+    400: '#a78bfa',
+    500: '#8b5cf6',
+    600: '#7c3aed',
+    700: '#6d28d9',
+    800: '#5b21b6',
+    900: '#4c1d95',
+  },
+  danger: {
+    50:  '#fef2f2',
+    100: '#fee2e2',
+    200: '#fecaca',
+    300: '#fca5a5',
+    400: '#f87171',
+    500: '#ef4444',
+    600: '#dc2626',
+    700: '#b91c1c',
+    800: '#991b1b',
+    900: '#7f1d1d',
+  },
+} as const;
+
+// ---------------------------------------------------------------------------
+// Semantic Colors (Tactical Dark)
+// ---------------------------------------------------------------------------
+export const CcSemanticColors = {
+  surface: {
+    darkest: '#0D0F12',
+    dark:    '#13161A',
+    medium:  '#1C2027',
+    light:   '#252B33',
+    lighter: '#2D3748',
+  },
+  onSurface: {
+    primary:  '#E2E8F0',
+    variant:  '#8A9BB0',
+    muted:    '#64748B',
+  },
+} as const;
+
+// ---------------------------------------------------------------------------
+// Status Colors
+// ---------------------------------------------------------------------------
+export const CcStatusColors = {
+  active:   { fg: '#38bdf8', bg: 'rgba(56, 189, 248, 0.12)',  border: 'rgba(56, 189, 248, 0.40)' },
+  idle:     { fg: '#2dd4bf', bg: 'rgba(45, 212, 191, 0.12)',  border: 'rgba(45, 212, 191, 0.40)' },
+  thinking: { fg: '#a78bfa', bg: 'rgba(167, 139, 250, 0.12)', border: 'rgba(167, 139, 250, 0.40)' },
+  error:    { fg: '#f87171', bg: 'rgba(248, 113, 113, 0.12)', border: 'rgba(248, 113, 113, 0.40)' },
+  offline:  { fg: '#64748b', bg: 'rgba(100, 116, 139, 0.12)', border: 'rgba(100, 116, 139, 0.40)' },
+} as const;
+
+// ---------------------------------------------------------------------------
+// Convenience exports for component usage (CUB-20)
+// ---------------------------------------------------------------------------
+/** Status colors — maps AgentStatus to hex values */
+export const STATUS_COLORS: Record<string, string> = {
+  active: '#38BDF8',
+  idle: '#2DD4BF',
+  thinking: '#A78BFA',
+  error: '#F87171',
+  offline: '#64748B',
+};
+
+/** Status background tints (12% opacity) */
+export const STATUS_BG_COLORS: Record<string, string> = {
+  active: 'rgba(56, 189, 248, 0.12)',
+  idle: 'rgba(45, 212, 191, 0.12)',
+  thinking: 'rgba(167, 139, 250, 0.12)',
+  error: 'rgba(248, 113, 113, 0.12)',
+  offline: 'rgba(100, 116, 139, 0.12)',
+};
+
+/** Surface overrides (CUB-20 convenience) */
+export const SURFACE = {
+  background: '#0D0F12',
+  surface: '#13161A',
+  container: '#1C2027',
+  containerHigh: '#252B33',
+  onSurface: '#E2E8F0',
+  onSurfaceVariant: '#8A9BB0',
+  outline: '#2D3748',
+} as const;
+
+/** Tactical Dark Mode color palette (CUB-20 convenience) */
+export const COLORS = {
+  surface: '#0F172A',
+  surfaceLight: '#1E293B',
+  primary: '#38BDF8',
+  secondary: '#2DD4BF',
+  accent: '#A78BFA',
+  danger: '#F87171',
+  textPrimary: '#FFFFFF',
+  textSecondary: '#94A3B8',
+  border: '#334155',
+} as const;
+
+/** Layout constants (CUB-20 convenience) */
+export const LAYOUT = {
+  navRailCollapsedWidth: 72,
+  navRailExpandedWidth: 256,
+  headerHeight: 64,
+  bottomNavHeight: 80,
+  cardBorderRadius: 16,
+  cardMinWidth: 320,
+  cardGap: 16,
+  cardPadding: 20,
+  sectionPadding: 24,
+  spacingUnit: 8,
+} as const;
+
+/** Breakpoints (px) (CUB-20 convenience) */
+export const BREAKPOINTS = {
+  mobile: 599,
+  tablet: 1023,
+  desktop: 1024,
+} as const;
+
+/** Channel icon mapping (CUB-20) */
+export const CHANNEL_ICONS: Record<string, string> = {
+  telegram: 'telegram',
+  slack: 'chat',
+  discord: 'forum',
+  whatsapp: 'chat',
+  webchat: 'language',
+  email: 'email',
+  mqtt: 'sensors',
+};
+
+/** Human-readable status labels (CUB-20) */
+export const STATUS_LABELS: Record<string, string> = {
+  active: 'Active',
+  idle: 'Idle',
+  thinking: 'Thinking…',
+  error: 'Error',
+  offline: 'Offline',
+};
+
+// ---------------------------------------------------------------------------
+// Typography
+// ---------------------------------------------------------------------------
+export const CcTypography = {
+  fontFamily: {
+    brand: "'Inter, Roboto, sans-serif'",
+    body:  "'Inter, Roboto, sans-serif'",
+    mono:  "'Roboto Mono, Cascadia Code, Fira Code, monospace'",
+  },
+  size: {
+    displayLarge:  '57px',
+    displayMedium: '45px',
+    displaySmall:  '36px',
+    headlineLarge: '32px',
+    headlineMedium: '28px',
+    headlineSmall:  '24px',
+    titleLarge:    '22px',
+    titleMedium:   '16px',
+    titleSmall:    '14px',
+    bodyLarge:     '16px',
+    bodyMedium:    '14px',
+    bodySmall:     '12px',
+    labelLarge:    '14px',
+    labelMedium:   '12px',
+    labelSmall:    '11px',
+  },
+  weight: {
+    regular: 400,
+    medium:  500,
+    bold:    600,
+    heavy:   700,
+  },
+  lineHeight: {
+    tight:   '1.2',
+    normal:  '1.5',
+    relaxed: '1.6',
+  },
+  letterSpacing: {
+    tight:  '-0.01em',
+    normal: '0em',
+    wide:   '0.02em',
+    mono:   '0.05em',
+  },
+} as const;
+
+// ---------------------------------------------------------------------------
+// Spacing (4px grid)
+// ---------------------------------------------------------------------------
+export const CcSpacing = {
+  0:  '0px',
+  1:  '4px',
+  2:  '8px',
+  3:  '12px',
+  4:  '16px',
+  5:  '20px',
+  6:  '24px',
+  7:  '28px',
+  8:  '32px',
+  9:  '36px',
+  10: '40px',
+  12: '48px',
+  14: '56px',
+  16: '64px',
+  20: '80px',
+} as const;
+
+// ---------------------------------------------------------------------------
+// Layout
+// ---------------------------------------------------------------------------
+export const CcLayout = {
+  navRailCollapsedWidth: '72px',
+  navRailExpandedWidth:  '256px',
+  headerHeight:          '64px',
+  bottomNavHeight:       '80px',
+  cardBorderRadius:      '16px',
+  cardMinWidth:          '320px',
+  badgeHeight:           '24px',
+  badgeBorderRadius:     '12px',
+  statusDotSize:         '10px',
+} as const;
+
+// ---------------------------------------------------------------------------
+// Breakpoints (M3 canonical)
+// ---------------------------------------------------------------------------
+export const CcBreakpoints = {
+  compact:  599,
+  medium:   767,
+  expanded: 1023,
+  large:    1439,
+} as const;
+
+// ---------------------------------------------------------------------------
+// Border Radius
+// ---------------------------------------------------------------------------
+export const CcRadius = {
+  none: '0px',
+  xs:   '4px',
+  sm:   '8px',
+  md:   '12px',
+  lg:   '16px',
+  xl:   '24px',
+  full: '9999px',
+} as const;
+
+// ---------------------------------------------------------------------------
+// Shadows (M3 elevation)
+// ---------------------------------------------------------------------------
+export const CcShadows = {
+  level0: 'none',
+  level1: '0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px -1px rgba(0, 0, 0, 0.3)',
+  level2: '0 2px 6px 0 rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3)',
+  level3: '0 4px 12px 0 rgba(0, 0, 0, 0.3), 0 4px 8px -4px rgba(0, 0, 0, 0.3)',
+  level4: '0 8px 24px 0 rgba(0, 0, 0, 0.3), 0 8px 16px -8px rgba(0, 0, 0, 0.3)',
+} as const;
+
+// ---------------------------------------------------------------------------
+// Motion
+// ---------------------------------------------------------------------------
+export const CcMotion = {
+  duration: {
+    instant:   0,
+    fast:      100,
+    short:     150,
+    medium:    200,
+    standard: 300,
+    long:     500,
+  },
+  easing: {
+    standard:   'cubic-bezier(0.4, 0, 0.2, 1)',
+    decelerate: 'cubic-bezier(0, 0, 0.2, 1)',
+    accelerate: 'cubic-bezier(0.4, 0, 1, 1)',
+    sharp:     'cubic-bezier(0.4, 0, 0.6, 1)',
+  },
+} as const;
+
+// ---------------------------------------------------------------------------
+// Accessibility
+// ---------------------------------------------------------------------------
+export const CcA11y = {
+  focusRing: {
+    width:   '2px',
+    offset:  '2px',
+    color:   '#38bdf8',
+    style:   'solid',
+  },
+  minTouchTarget: 48,
+  minBodyFont:    16,
+} as const;
+
+// ---------------------------------------------------------------------------
+// Aggregate token object for convenient access
+// ---------------------------------------------------------------------------
+export const CcTokens = {
+  color: CcColors,
+  semantic: CcSemanticColors,
+  status: CcStatusColors,
+  typography: CcTypography,
+  spacing: CcSpacing,
+  layout: CcLayout,
+  breakpoints: CcBreakpoints,
+  radius: CcRadius,
+  shadows: CcShadows,
+  motion: CcMotion,
+  a11y: CcA11y,
+} as const;
+
+// ---------------------------------------------------------------------------
+// CSS Custom Property Names
+// ---------------------------------------------------------------------------
+export const CcCssProps = {
+  // Color
+  colorPrimary:      '--cc-color-primary',
+  colorSecondary:    '--cc-color-secondary',
+  colorAccent:       '--cc-color-accent',
+  colorDanger:       '--cc-color-danger',
+
+  // Surface
+  surfaceDarkest:    '--cc-surface-darkest',
+  surfaceDark:       '--cc-surface-dark',
+  surfaceMedium:     '--cc-surface-medium',
+  surfaceLight:      '--cc-surface-light',
+  surfaceLighter:    '--cc-surface-lighter',
+
+  // On-surface
+  onSurface:         '--cc-on-surface',
+  onSurfaceVariant:  '--cc-on-surface-variant',
+  onSurfaceMuted:    '--cc-on-surface-muted',
+
+  // Status
+  statusActive:       '--cc-status-active',
+  statusIdle:         '--cc-status-idle',
+  statusThinking:    '--cc-status-thinking',
+  statusError:        '--cc-status-error',
+  statusOffline:      '--cc-status-offline',
+  statusActiveBg:     '--cc-status-active-bg',
+  statusIdleBg:       '--cc-status-idle-bg',
+  statusThinkingBg:   '--cc-status-thinking-bg',
+  statusErrorBg:      '--cc-status-error-bg',
+  statusOfflineBg:    '--cc-status-offline-bg',
+  statusActiveBorder:  '--cc-status-active-border',
+  statusIdleBorder:    '--cc-status-idle-border',
+  statusThinkingBorder: '--cc-status-thinking-border',
+  statusErrorBorder:   '--cc-status-error-border',
+  statusOfflineBorder: '--cc-status-offline-border',
+
+  // Typography
+  fontBrand: '--cc-font-brand',
+  fontBody:  '--cc-font-body',
+  fontMono:  '--cc-font-mono',
+
+  // Spacing
+  spacing2:  '--cc-spacing-2',
+  spacing4:  '--cc-spacing-4',
+  spacing6:  '--cc-spacing-6',
+  spacing8:  '--cc-spacing-8',
+  spacing12: '--cc-spacing-12',
+  spacing16: '--cc-spacing-16',
+
+  // Layout
+  navRailCollapsed: '--cc-nav-rail-collapsed',
+  navRailExpanded:  '--cc-nav-rail-expanded',
+  headerHeight:      '--cc-header-height',
+  bottomNavHeight:  '--cc-bottom-nav-height',
+  cardRadius:       '--cc-card-radius',
+  cardMinWidth:     '--cc-card-min-width',
+
+  // Radius
+  radiusNone: '--cc-radius-none',
+  radiusXs:   '--cc-radius-xs',
+  radiusSm:   '--cc-radius-sm',
+  radiusMd:   '--cc-radius-md',
+  radiusLg:   '--cc-radius-lg',
+  radiusXl:   '--cc-radius-xl',
+  radiusFull: '--cc-radius-full',
+
+  // Shadows
+  shadow0: '--cc-shadow-0',
+  shadow1: '--cc-shadow-1',
+  shadow2: '--cc-shadow-2',
+  shadow3: '--cc-shadow-3',
+  shadow4: '--cc-shadow-4',
+
+  // Motion
+  durationFast:     '--cc-duration-fast',
+  durationShort:    '--cc-duration-short',
+  durationMedium:   '--cc-duration-medium',
+  durationStandard: '--cc-duration-standard',
+  durationLong:     '--cc-duration-long',
+  easingStandard:   '--cc-easing-standard',
+  easingDecelerate: '--cc-easing-decelerate',
+  easingAccelerate: '--cc-easing-accelerate',
+
+  // Accessibility
+  focusWidth:  '--cc-focus-width',
+  focusOffset: '--cc-focus-offset',
+  focusColor:  '--cc-focus-color',
+  touchMin:    '--cc-touch-min',
+} as const;
+
+// ---------------------------------------------------------------------------
+// Utility: Read a CSS custom property from the document
+// ---------------------------------------------------------------------------
+export function getCssToken(propertyName: string): string {
+  return getComputedStyle(document.documentElement).getPropertyValue(propertyName).trim();
+}
+
+// ---------------------------------------------------------------------------
+// Utility: Set a CSS custom property on the document root
+// ---------------------------------------------------------------------------
+export function setCssToken(propertyName: string, value: string): void {
+  document.documentElement.style.setProperty(propertyName, value);
+}
+
+// ---------------------------------------------------------------------------
+// Utility: Get status color by agent status type
+// ---------------------------------------------------------------------------
+export function getStatusColor(status: string): { fg: string; bg: string; border: string } {
+  const statusMap: Record<string, { fg: string; bg: string; border: string }> = CcStatusColors;
+  return statusMap[status] ?? CcStatusColors.offline;
+}

frontend/src/app/directives/index.ts

@@ -0,0 +1 @@
+export { LongPressDirective } from './long-press.directive';

frontend/src/app/directives/long-press.directive.ts

@@ -0,0 +1,89 @@
+import {
+  Directive,
+  ElementRef,
+  EventEmitter,
+  OnDestroy,
+  Output,
+  Input,
+} from '@angular/core';
+
+// ============================================================================
+// Long-Press Directive — CUB-26
+// Emits after a sustained press (500ms default).
+// Used on agent cards to bypass the drawer and open Session Log directly.
+// ============================================================================
+
+@Directive({
+  selector: '[appLongPress]',
+  standalone: true,
+  host: {
+    '(mousedown)': 'onMouseDown($event)',
+    '(mouseup)': 'onMouseUp()',
+    '(mouseleave)': 'onMouseLeave()',
+    '(touchstart)': 'onTouchStart($event)',
+    '(touchend)': 'onTouchEnd()',
+    '(touchmove)': 'onTouchMove()',
+    '(contextmenu)': 'onContextMenu($event)',
+  },
+})
+export class LongPressDirective implements OnDestroy {
+  /** Duration in ms before a press counts as a long press. */
+  @Input() appLongPressDuration = 500;
+
+  /** Emits when a long press is detected. Payload is the original event. */
+  @Output() readonly appLongPress = new EventEmitter<MouseEvent | TouchEvent>();
+
+  private timer: ReturnType<typeof setTimeout> | null = null;
+  private isLongPress = false;
+
+  onMouseDown(event: MouseEvent): void {
+    this.isLongPress = false;
+    this.timer = setTimeout(() => {
+      this.isLongPress = true;
+      this.appLongPress.emit(event);
+    }, this.appLongPressDuration);
+  }
+
+  onMouseUp(): void {
+    this.clearTimer();
+  }
+
+  onMouseLeave(): void {
+    this.clearTimer();
+  }
+
+  onTouchStart(event: TouchEvent): void {
+    this.isLongPress = false;
+    this.timer = setTimeout(() => {
+      this.isLongPress = true;
+      this.appLongPress.emit(event);
+    }, this.appLongPressDuration);
+  }
+
+  onTouchEnd(): void {
+    this.clearTimer();
+  }
+
+  onTouchMove(): void {
+    // Cancel on touch move (finger moved)
+    this.clearTimer();
+  }
+
+  onContextMenu(event: MouseEvent): void {
+    // Prevent native context menu on long press
+    if (this.isLongPress) {
+      event.preventDefault();
+    }
+  }
+
+  ngOnDestroy(): void {
+    this.clearTimer();
+  }
+
+  private clearTimer(): void {
+    if (this.timer !== null) {
+      clearTimeout(this.timer);
+      this.timer = null;
+    }
+  }
+}

frontend/src/app/layout/bottom-nav/bottom-nav.component.scss

@@ -1,7 +1,8 @@
 // ============================================================================
 // Bottom Navigation Bar — Mobile Navigation
-// Per spec Section 3.2: M3 NavigationBar pattern
-// Visible only on compact breakpoint (< 600px)
+// Per CUB-27 spec breakpoints:
+//   Compact (0–599px): Visible — M3 NavigationBar pattern
+//   Medium+ (≥600px): Hidden — nav rail takes over
 // ============================================================================
 
 .bottom-nav {
@@ -17,6 +18,8 @@
   align-items: center;
   justify-content: space-around;
   padding: 0 8px;
+  // Safe area inset for notched devices
+  padding-bottom: env(safe-area-inset-bottom, 0px);
 }
 
 .bottom-nav__item {
@@ -68,9 +71,24 @@
   white-space: nowrap;
 }
 
-// Show bottom nav only on compact breakpoint
+// ---------------------------------------------------------------------------
+// Compact (0–599px): Show bottom nav
+// ---------------------------------------------------------------------------
 @media (max-width: 599px) {
   .bottom-nav {
     display: flex;
   }
+}
+
+// ---------------------------------------------------------------------------
+// Medium+ (≥600px): Hidden — nav rail takes over
+// ---------------------------------------------------------------------------
+
+// ---------------------------------------------------------------------------
+// Accessibility: Reduced Motion
+// ---------------------------------------------------------------------------
+@media (prefers-reduced-motion: reduce) {
+  .bottom-nav__item {
+    transition: none;
+  }
 }

frontend/src/app/layout/header-bar/header-bar.component.html

@@ -2,6 +2,16 @@
   <h1 class="header-bar__title">Command Hub</h1>
 
   <div class="header-bar__actions">
+    <!-- Quick-Jump trigger -->
+    <button
+      class="header-bar__action-btn"
+      mat-icon-button
+      aria-label="Jump to agent"
+      (click)="openQuickJump.emit()"
+    >
+      <mat-icon>keyboard_command_key</mat-icon>
+    </button>
+
     <!-- Live indicator -->
     <button
       class="header-bar__action-btn header-bar__live-btn"

frontend/src/app/layout/header-bar/header-bar.component.scss

@@ -1,36 +1,43 @@
 // ============================================================================
 // Header Bar — Top App Bar
-// Per spec Section 3.1: 64px tall, M3 MediumTopAppBar on expanded
-// Section 3.2: SmallTopAppBar on mobile
+// Per CUB-27 spec breakpoints:
+//   Compact  (0–599px):  SmallTopAppBar — 56px height, compact title, hidden labels
+//   Medium   (600–1023px): Medium top bar — 64px height
+//   Expanded (≥1024px):  MediumTopAppBar — 64px height, full actions
 // ============================================================================
 
 .header-bar {
   display: flex;
   align-items: center;
   justify-content: space-between;
-  height: var(--cc-header-height);
-  padding: 0 var(--cc-section-padding);
+  height: var(--cc-header-height-compact); // Compact by default (mobile-first)
+  padding: 0 var(--cc-section-padding-compact);
   background-color: var(--cc-surface-container-high);
   border-bottom: 1px solid var(--cc-outline);
   z-index: 20;
 }
 
 .header-bar__title {
-  font-size: 28px;
-  font-weight: 400;
+  font-size: 20px;
+  font-weight: 500;
   color: var(--cc-on-surface);
   margin: 0;
   letter-spacing: -0.01em;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
 }
 
 .header-bar__actions {
   display: flex;
   align-items: center;
-  gap: 8px;
+  gap: 4px;
 }
 
 .header-bar__action-btn {
   color: var(--cc-on-surface-variant) !important;
+  min-width: 48px;
+  min-height: 48px;
 
   &:hover {
     color: var(--cc-on-surface) !important;
@@ -59,18 +66,61 @@
   vertical-align: middle;
 }
 
-// Mobile: smaller title
+// ---------------------------------------------------------------------------
+// Compact (0–599px): SmallTopAppBar — hide live label, tighter spacing
+// ---------------------------------------------------------------------------
 @media (max-width: 599px) {
+  .header-bar__live-label {
+    display: none; // Space saving on compact — dot alone is enough
+  }
+
+  .header-bar__actions {
+    gap: 0;
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Medium (600–1023px): Medium top bar
+// ---------------------------------------------------------------------------
+@media (min-width: 600px) and (max-width: 1023px) {
   .header-bar {
-    padding: 0 16px;
+    height: var(--cc-header-height);
+    padding: 0 var(--cc-section-padding);
   }
 
   .header-bar__title {
-    font-size: 22px;
-    font-weight: 500;
+    font-size: 24px;
   }
 
-  .header-bar__live-label {
-    display: none; // Space saving on mobile — dot alone is enough
+  .header-bar__actions {
+    gap: 4px;
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Expanded (≥1024px): Full top bar
+// ---------------------------------------------------------------------------
+@media (min-width: 1024px) {
+  .header-bar {
+    height: var(--cc-header-height);
+    padding: 0 var(--cc-section-padding);
+  }
+
+  .header-bar__title {
+    font-size: 28px;
+    font-weight: 400;
+  }
+
+  .header-bar__actions {
+    gap: 8px;
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Accessibility: Reduced Motion
+// ---------------------------------------------------------------------------
+@media (prefers-reduced-motion: reduce) {
+  .header-bar__live-dot--connected {
+    animation: none;
   }
 }

frontend/src/app/layout/header-bar/header-bar.component.ts

@@ -1,4 +1,4 @@
-import { ChangeDetectionStrategy, Component, signal } from '@angular/core';
+import { ChangeDetectionStrategy, Component, EventEmitter, Output, signal } from '@angular/core';
 import { MatIconModule } from '@angular/material/icon';
 import { MatButtonModule } from '@angular/material/button';
 import { MatBadgeModule } from '@angular/material/badge';
@@ -17,6 +17,9 @@ import { MatBadgeModule } from '@angular/material/badge';
   changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class HeaderBarComponent {
+  /** Emits when the user requests the Quick-Jump drawer. */
+  @Output() readonly openQuickJump = new EventEmitter<void>();
+
   protected readonly notificationCount = signal(3);
   protected readonly isConnected = signal(true);
 

frontend/src/app/layout/layout-shell/layout-shell.component.html

@@ -4,7 +4,7 @@
 
   <div class="layout-shell__main">
     <!-- Header bar at top of content area -->
-    <app-header-bar class="layout-shell__header" />
+    <app-header-bar class="layout-shell__header" (openQuickJump)="openQuickJump()" />
 
     <!-- Scrollable content area -->
     <main class="layout-shell__content">
@@ -14,4 +14,14 @@
 
   <!-- Mobile: Bottom Navigation Bar -->
   <app-bottom-nav class="layout-shell__bottom-nav" />
-</div>
+</div>
+
+<!-- Quick-Jump Drawer (global overlay) -->
+<app-quick-jump-drawer />
+
+<!-- Agent Session Drawer (CUB-26) — desktop: side drawer, mobile: bottom sheet -->
+<app-agent-session-drawer
+  [isMobile]="isMobile()"
+  (openSession)="onOpenSession($event)"
+  (pinToDashboard)="onPinToDashboard($event)"
+/>

frontend/src/app/layout/layout-shell/layout-shell.component.scss

@@ -1,7 +1,9 @@
 // ============================================================================
 // Layout Shell — Adaptive layout container
-// Desktop: Nav Rail (left) + Main Content (right)
-// Mobile: Header + Content + Bottom Nav (stacked)
+// Per CUB-27 spec breakpoints:
+//   Compact  (0–599px):  Header + Content + Bottom Nav (stacked)
+//   Medium   (600–1023px): Collapsed Nav Rail + Header + Content
+//   Expanded (≥1024px):  Expandable Nav Rail + Header + Content
 // ============================================================================
 
 .layout-shell {
@@ -37,21 +39,35 @@
   flex-shrink: 0;
 }
 
-// Mobile: Stack layout vertically, add bottom padding for bottom nav
+// ---------------------------------------------------------------------------
+// Compact (0–599px): Stack layout vertically, bottom nav visible
+// ---------------------------------------------------------------------------
 @media (max-width: 599px) {
   .layout-shell {
     flex-direction: column;
   }
 
   .layout-shell__content {
+    padding: var(--cc-section-padding-compact);
     // Account for bottom nav bar height
     padding-bottom: calc(var(--cc-bottom-nav-height) + 16px);
   }
 }
 
-// Tablet: Ensure content padding accommodates collapsed nav rail
+// ---------------------------------------------------------------------------
+// Medium (600–1023px): Sidebar + content, collapsed nav rail
+// ---------------------------------------------------------------------------
 @media (min-width: 600px) and (max-width: 1023px) {
   .layout-shell__content {
     padding: 20px;
   }
+}
+
+// ---------------------------------------------------------------------------
+// Expanded (≥1024px): Full nav rail with expandable behavior
+// ---------------------------------------------------------------------------
+@media (min-width: 1024px) {
+  .layout-shell__content {
+    padding: var(--cc-section-padding);
+  }
 }

frontend/src/app/layout/layout-shell/layout-shell.component.ts

@@ -1,21 +1,85 @@
-import { ChangeDetectionStrategy, Component } from '@angular/core';
-import { RouterOutlet } from '@angular/router';
+import { ChangeDetectionStrategy, Component, HostListener, OnDestroy, signal, ViewChild } from '@angular/core';
+import { Router, RouterOutlet } from '@angular/router';
+import { BreakpointObserver, Breakpoints } from '@angular/cdk/layout';
+import { Subscription } from 'rxjs';
 import { NavRailComponent } from '../nav-rail/nav-rail.component';
 import { BottomNavComponent } from '../bottom-nav/bottom-nav.component';
 import { HeaderBarComponent } from '../header-bar/header-bar.component';
+import { QuickJumpDrawerComponent } from '../../components/quick-jump-drawer/index';
+import { AgentSessionDrawerComponent } from '../../components/agent-session-drawer/index';
+import { AgentCardData } from '../../models/agent.model';
 
 /**
  * Layout Shell — wraps the main content area with adaptive navigation.
  * Desktop/Kiosk: Nav Rail (left) + Header + Content
  * Mobile: Header + Content + Bottom Nav
  * Per spec Section 3.1 (kiosk) and 3.2 (mobile).
+ * CUB-26: Hosts the Agent Session Drawer for quick-jump navigation.
  */
 @Component({
   selector: 'app-layout-shell',
   standalone: true,
-  imports: [RouterOutlet, NavRailComponent, BottomNavComponent, HeaderBarComponent],
+  imports: [RouterOutlet, NavRailComponent, BottomNavComponent, HeaderBarComponent, QuickJumpDrawerComponent, AgentSessionDrawerComponent],
   templateUrl: './layout-shell.component.html',
   styleUrl: './layout-shell.component.scss',
   changeDetection: ChangeDetectionStrategy.OnPush,
 })
-export class LayoutShellComponent {}
+export class LayoutShellComponent implements OnDestroy {
+  @ViewChild(QuickJumpDrawerComponent) quickJumpDrawer!: QuickJumpDrawerComponent;
+  @ViewChild(AgentSessionDrawerComponent) sessionDrawer!: AgentSessionDrawerComponent;
+
+  /** Whether the viewport is mobile-sized. */
+  readonly isMobile = signal(false);
+
+  private readonly breakpointSub: Subscription;
+
+  constructor(
+    private readonly breakpointObserver: BreakpointObserver,
+    private readonly router: Router,
+  ) {
+    this.breakpointSub = this.breakpointObserver
+      .observe([Breakpoints.Handset, Breakpoints.Small])
+      .subscribe((result) => {
+        this.isMobile.set(result.matches);
+      });
+  }
+
+  /** Open the quick-jump drawer from anywhere in the layout. */
+  openQuickJump(): void {
+    this.quickJumpDrawer?.open();
+  }
+
+  /** Open the session drawer for a specific agent. */
+  openSessionDrawer(agent: AgentCardData): void {
+    this.sessionDrawer?.open(agent);
+  }
+
+  /** Open the session log page directly (long-press bypass). */
+  openSessionLog(sessionKey: string): void {
+    this.router.navigate(['/sessions'], { queryParams: { key: sessionKey } });
+  }
+
+  /** Handle "Open Full Session" action from session drawer. */
+  onOpenSession(sessionKey: string): void {
+    this.router.navigate(['/sessions'], { queryParams: { key: sessionKey } });
+  }
+
+  /** Handle "Pin to Dashboard" action from session drawer. */
+  onPinToDashboard(sessionKey: string): void {
+    // TODO: Implement pin-to-dashboard logic
+    console.log('[LayoutShell] Pin to dashboard:', sessionKey);
+  }
+
+  /** Global keyboard shortcut: Ctrl+K or Cmd+K opens the quick-jump drawer. */
+  @HostListener('document:keydown', ['$event'])
+  onGlobalKeydown(event: KeyboardEvent): void {
+    if ((event.ctrlKey || event.metaKey) && event.key === 'k') {
+      event.preventDefault();
+      this.quickJumpDrawer?.toggle();
+    }
+  }
+
+  ngOnDestroy(): void {
+    this.breakpointSub.unsubscribe();
+  }
+}

frontend/src/app/layout/nav-rail/nav-rail.component.scss

@@ -1,11 +1,14 @@
 // ============================================================================
 // Nav Rail — Desktop/Kiosk Navigation
-// Per spec Section 3.1: 72px collapsed / 256px expanded
+// Per CUB-27 spec breakpoints:
+//   Compact  (0–599px):  Hidden — bottom nav takes over
+//   Medium   (600–1023px): Collapsed (72px), icon-only
+//   Expanded (≥1024px):  Expandable (72px collapsed / 256px expanded on hover)
 // Section 5.4: Spacing & Grid
 // ============================================================================
 
 .nav-rail {
-  display: flex;
+  display: none; // Hidden by default (mobile-first)
   flex-direction: column;
   width: var(--cc-nav-rail-collapsed-width);
   min-height: 100vh;
@@ -104,9 +107,52 @@
   text-overflow: ellipsis;
 }
 
-// Responsive: Hide nav rail on mobile (bottom nav takes over)
-@media (max-width: 599px) {
+// ---------------------------------------------------------------------------
+// Medium (600–1023px): Show collapsed nav rail (icon-only)
+// ---------------------------------------------------------------------------
+@media (min-width: 600px) and (max-width: 1023px) {
   .nav-rail {
+    display: flex;
+    width: var(--cc-nav-rail-collapsed-width);
+  }
+
+  // Always collapsed on medium — hide labels
+  .nav-rail__brand,
+  .nav-rail__label {
     display: none;
   }
+
+  .nav-rail__header {
+    justify-content: center;
+    padding: 16px 0;
+  }
+
+  .nav-rail__item {
+    justify-content: center;
+    padding: 0;
+    margin: 2px 8px;
+  }
+
+  // Disable expand on medium
+  .nav-rail--expanded {
+    width: var(--cc-nav-rail-collapsed-width);
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Expanded (≥1024px): Full expandable nav rail
+// ---------------------------------------------------------------------------
+@media (min-width: 1024px) {
+  .nav-rail {
+    display: flex;
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Accessibility: Reduced Motion
+// ---------------------------------------------------------------------------
+@media (prefers-reduced-motion: reduce) {
+  .nav-rail {
+    transition: none;
+  }
 }

frontend/src/app/layout/nav-rail/nav-rail.component.ts

@@ -1,4 +1,4 @@
-import { ChangeDetectionStrategy, Component, signal, HostListener } from '@angular/core';
+import { ChangeDetectionStrategy, Component, HostListener, signal, OnDestroy, OnInit } from '@angular/core';
 import { RouterLink, RouterLinkActive } from '@angular/router';
 import { MatIconModule } from '@angular/material/icon';
 import { MatBadgeModule } from '@angular/material/badge';
@@ -12,21 +12,52 @@ import { NAV_DESTINATIONS } from '../../models/nav.model';
   styleUrl: './nav-rail.component.scss',
   changeDetection: ChangeDetectionStrategy.OnPush,
 })
-export class NavRailComponent {
+export class NavRailComponent implements OnInit, OnDestroy {
   protected readonly destinations = NAV_DESTINATIONS;
   protected readonly expanded = signal(false);
+  protected readonly isExpandedBreakpoint = signal(false);
+
+  private readonly EXPANDED_BP = 1024;
+
+  ngOnInit(): void {
+    this.updateBreakpoint();
+  }
+
+  @HostListener('window:resize')
+  onResize(): void {
+    this.updateBreakpoint();
+  }
 
   @HostListener('mouseenter')
   onHoverIn(): void {
-    this.expanded.set(true);
+    if (this.isExpandedBreakpoint()) {
+      this.expanded.set(true);
+    }
   }
 
   @HostListener('mouseleave')
   onHoverOut(): void {
-    this.expanded.set(false);
+    if (this.isExpandedBreakpoint()) {
+      this.expanded.set(false);
+    }
   }
 
   toggleExpand(): void {
-    this.expanded.update(v => !v);
+    if (this.isExpandedBreakpoint()) {
+      this.expanded.update(v => !v);
+    }
+  }
+
+  private updateBreakpoint(): void {
+    const isExpanded = window.innerWidth >= this.EXPANDED_BP;
+    this.isExpandedBreakpoint.set(isExpanded);
+    // Collapse when leaving expanded breakpoint
+    if (!isExpanded) {
+      this.expanded.set(false);
+    }
+  }
+
+  ngOnDestroy(): void {
+    // Cleanup is handled by HostListener auto-unsubscribe
   }
 }

frontend/src/app/pages/hub/hub-page.component.html

@@ -0,0 +1,57 @@
+<!-- ========================================================================== -->
+<!-- Hub Page — Responsive Agent Card Grid with Filter Chips                   -->
+<!-- Per CUB-27 spec breakpoints:                                               -->
+<!--   Compact  (0–599px):  Single-column cards, horizontal-scroll filter chips -->
+<!--   Medium   (600–1023px): 2-column grid                                    -->
+<!--   Expanded (≥1024px): 3+ column auto-fill grid                           -->
+<!-- CUB-26: Integrates AgentCard click/long-press with session drawer.         -->
+<!-- ========================================================================== -->
+
+<div class="hub-page">
+  <h1 class="hub-page__title">Command Hub</h1>
+
+  <!-- Filter Chip Group — horizontal scroll on mobile -->
+  <div class="hub-page__filters" role="tablist" aria-label="Filter agents by status">
+    @for (filter of filters; track filter.value) {
+      <button
+        class="hub-page__filter-chip"
+        [class.hub-page__filter-chip--active]="activeFilter() === filter.value"
+        role="tab"
+        [attr.aria-selected]="activeFilter() === filter.value"
+        (click)="selectFilter(filter.value)"
+      >
+        {{ filter.label }}
+      </button>
+    }
+  </div>
+
+  <!-- Agent Card Grid -->
+  <div class="hub-page__grid">
+    @for (agent of filteredAgents(); track agent.id) {
+      <app-agent-card
+        [status]="agent.status"
+        [task]="agent.currentTask ?? ''"
+        [progress]="agent.taskProgress ?? 0"
+        [sessionKey]="agent.sessionKey"
+        [channel]="agent.channel"
+        [lastActivity]="agent.lastActivity"
+        [agentId]="agent.id"
+        [displayName]="agent.displayName"
+        [role]="agent.role"
+        [errorMessage]="agent.errorMessage ?? ''"
+        (cardClick)="onCardClick($event)"
+        (cardLongPress)="onCardLongPress($event)"
+      />
+    } @empty {
+      <p class="hub-page__empty">No agents online</p>
+    }
+  </div>
+</div>
+
+<!-- Agent Session Drawer (CUB-26) -->
+<app-agent-session-drawer
+  [isMobile]="isMobile()"
+  (openSession)="onOpenSession($event)"
+  (pinToDashboard)="onPinToDashboard($event)"
+  (drawerClose)="onDrawerClose()"
+/>

frontend/src/app/pages/hub/hub-page.component.scss

@@ -0,0 +1,141 @@
+// ============================================================================
+// Hub Page — Responsive AgentCard Grid with Filter Chips
+// Per CUB-27 spec breakpoints:
+//   Compact  (0–599px):  Single-column cards, horizontal-scroll filter chips
+//   Medium   (600–1023px): 2-column grid
+//   Expanded (≥1024px): 3+ column auto-fill grid
+// ============================================================================
+
+.hub-page {
+  display: flex;
+  flex-direction: column;
+  gap: 16px;
+  min-height: 400px;
+  overflow-x: hidden;
+  padding: var(--cc-section-padding);
+}
+
+.hub-page__title {
+  grid-column: 1 / -1;
+  font-size: 24px;
+  font-weight: 600;
+  color: var(--cc-on-surface);
+  margin: 0 0 8px;
+}
+
+// ---------------------------------------------------------------------------
+// Filter Chip Group
+// ---------------------------------------------------------------------------
+.hub-page__filters {
+  display: flex;
+  gap: 8px;
+  padding: 4px 0;
+  overflow-x: auto;
+  -webkit-overflow-scrolling: touch;
+  scrollbar-width: none; // Firefox
+
+  &::-webkit-scrollbar {
+    display: none; // Chrome/Safari
+  }
+}
+
+.hub-page__filter-chip {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  min-height: 36px;
+  min-width: 48px; // Touch target
+  padding: 6px 16px;
+  border: 1px solid var(--cc-outline);
+  border-radius: 20px;
+  background-color: transparent;
+  color: var(--cc-on-surface-variant);
+  font-size: 13px;
+  font-weight: 500;
+  letter-spacing: 0.02em;
+  cursor: pointer;
+  white-space: nowrap;
+  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease;
+  flex-shrink: 0; // Prevent shrinking in scroll container
+
+  &:hover {
+    background-color: rgba(255, 255, 255, 0.06);
+    color: var(--cc-on-surface);
+  }
+
+  &:focus-visible {
+    outline: 2px solid var(--status-active);
+    outline-offset: 2px;
+  }
+
+  &--active {
+    background-color: var(--status-active-bg);
+    color: var(--status-active);
+    border-color: var(--status-active);
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Agent Card Grid
+// ---------------------------------------------------------------------------
+.hub-page__grid {
+  display: grid;
+  grid-template-columns: 1fr;
+  gap: var(--cc-card-gap);
+}
+
+// ---------------------------------------------------------------------------
+// Empty State
+// ---------------------------------------------------------------------------
+.hub-page__placeholder,
+.hub-page__empty {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 48px 24px;
+  color: var(--cc-on-surface-variant);
+  font-size: 16px;
+  text-align: center;
+}
+
+// ---------------------------------------------------------------------------
+// Compact (0–599px): Single-column cards
+// ---------------------------------------------------------------------------
+@media (max-width: 599px) {
+  .hub-page {
+    padding: 0;
+  }
+
+  .hub-page__grid {
+    grid-template-columns: 1fr;
+    gap: 12px;
+  }
+
+  .hub-page__filters {
+    padding: 4px 0 8px;
+    // Ensure horizontal scroll on mobile
+    margin: 0 -8px;
+    padding-left: 8px;
+    padding-right: 8px;
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Medium (600–1023px): 2-column grid
+// ---------------------------------------------------------------------------
+@media (min-width: 600px) and (max-width: 1023px) {
+  .hub-page__grid {
+    grid-template-columns: repeat(2, 1fr);
+    gap: var(--cc-card-gap);
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Expanded (≥1024px): 3+ column auto-fill grid
+// ---------------------------------------------------------------------------
+@media (min-width: 1024px) {
+  .hub-page__grid {
+    grid-template-columns: repeat(auto-fill, minmax(var(--cc-card-min-width), 1fr));
+    gap: var(--cc-card-gap);
+  }
+}

frontend/src/app/pages/hub/hub-page.component.ts

@@ -1,26 +1,153 @@
-import { ChangeDetectionStrategy, Component } from '@angular/core';
+import { ChangeDetectionStrategy, Component, signal, computed, ViewChild } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { MatChipsModule } from '@angular/material/chips';
+import { AgentCardComponent } from '../../command-hub/components/agent-card/agent-card.component';
+import { AgentSessionDrawerComponent } from '../../components/agent-session-drawer/index';
+import { AgentCardData } from '../../models/agent.model';
+import { AgentStatus } from '../../models/agent.model';
+
+/**
+ * Filter options for the hub page agent card grid.
+ * Per CUB-27: "Filter chip group (All, Active, Error, etc.) with horizontal scroll on mobile"
+ */
+export type AgentFilter = 'all' | AgentStatus;
 
 @Component({
   selector: 'app-hub-page',
   standalone: true,
-  imports: [],
-  template: `
-    <div class="hub-page">
-      <p class="hub-page__placeholder">Command Hub — Fleet status grid will render here</p>
-    </div>
-  `,
-  styles: [`
-    .hub-page {
-      display: flex;
-      align-items: center;
-      justify-content: center;
-      min-height: 400px;
-    }
-    .hub-page__placeholder {
-      color: var(--cc-on-surface-variant);
-      font-size: 16px;
-    }
-  `],
+  imports: [CommonModule, MatChipsModule, AgentCardComponent, AgentSessionDrawerComponent],
+  templateUrl: './hub-page.component.html',
+  styleUrl: './hub-page.component.scss',
   changeDetection: ChangeDetectionStrategy.OnPush,
 })
-export class HubPageComponent {}
+export class HubPageComponent {
+  @ViewChild(AgentSessionDrawerComponent) sessionDrawer!: AgentSessionDrawerComponent;
+
+  readonly isMobile = signal(false);
+
+  protected readonly filters: { label: string; value: AgentFilter }[] = [
+    { label: 'All', value: 'all' },
+    { label: 'Active', value: 'active' },
+    { label: 'Idle', value: 'idle' },
+    { label: 'Thinking', value: 'thinking' },
+    { label: 'Error', value: 'error' },
+    { label: 'Offline', value: 'offline' },
+  ];
+
+  protected readonly activeFilter = signal<AgentFilter>('all');
+
+  /** Stub agent data (TODO: wire to AgentStatusService / SignalR). */
+  readonly agents = signal<AgentCardData[]>([
+    {
+      id: 'otto',
+      displayName: 'Otto',
+      role: 'Orchestrator Agent',
+      status: 'active',
+      currentTask: 'Reviewing PR #42',
+      taskProgress: 67,
+      taskElapsed: '04m 12s',
+      sessionKey: 'agent:otto:slack:CUB-42:abc123',
+      channel: 'slack',
+      lastActivity: new Date(),
+    },
+    {
+      id: 'rex',
+      displayName: 'Rex',
+      role: 'Frontend Agent',
+      status: 'thinking',
+      currentTask: 'Building responsive layout',
+      taskProgress: 40,
+      taskElapsed: '02m 30s',
+      sessionKey: 'agent:rex:telegram:CUB-27:def456',
+      channel: 'telegram',
+      lastActivity: new Date(Date.now() - 30000),
+    },
+    {
+      id: 'dex',
+      displayName: 'Dex',
+      role: 'Backend Agent',
+      status: 'idle',
+      currentTask: undefined,
+      taskProgress: undefined,
+      taskElapsed: undefined,
+      sessionKey: 'agent:dex:slack:CUB-53:ghi789',
+      channel: 'slack',
+      lastActivity: new Date(Date.now() - 300000),
+    },
+    {
+      id: 'hex',
+      displayName: 'Hex',
+      role: 'Database Agent',
+      status: 'error',
+      currentTask: 'Migration failed — rollback initiated',
+      taskProgress: 0,
+      taskElapsed: '00m 45s',
+      sessionKey: 'agent:hex:slack:CUB-56:jkl012',
+      channel: 'slack',
+      lastActivity: new Date(Date.now() - 60000),
+      errorMessage: 'Connection timeout to database server',
+    },
+    {
+      id: 'nano',
+      displayName: 'Nano',
+      role: 'ESP32 Agent',
+      status: 'offline',
+      currentTask: undefined,
+      taskProgress: undefined,
+      taskElapsed: undefined,
+      sessionKey: 'agent:nano:mqtt:CUB-48:mno345',
+      channel: 'mqtt',
+      lastActivity: new Date(Date.now() - 86400000),
+    },
+  ]);
+
+  protected readonly filteredAgents = computed(() => {
+    const filter = this.activeFilter();
+    if (filter === 'all') return this.agents();
+    return this.agents().filter(a => a.status === filter);
+  });
+
+  constructor() {
+    // Detect mobile viewport
+    if (typeof window !== 'undefined') {
+      const mql = window.matchMedia('(max-width: 599px)');
+      this.isMobile.set(mql.matches);
+      mql.addEventListener('change', (e) => this.isMobile.set(e.matches));
+    }
+  }
+
+  protected selectFilter(filter: AgentFilter): void {
+    this.activeFilter.set(filter);
+  }
+
+  /** Card click → open session drawer with agent details. */
+  onCardClick(sessionKey: string): void {
+    const agent = this.agents().find((a) => a.sessionKey === sessionKey);
+    if (agent) {
+      this.sessionDrawer?.open(agent);
+    }
+  }
+
+  /** Long-press on card → bypass drawer, go directly to session log. */
+  onCardLongPress(sessionKey: string): void {
+    console.log('[Hub] Long press — navigate to session log:', sessionKey);
+    // TODO: Navigate directly to session log page when sessions route is implemented
+  }
+
+  /** Open full session from drawer action button. */
+  onOpenSession(sessionKey: string): void {
+    console.log('[Hub] Open full session:', sessionKey);
+    // TODO: Navigate to full session view
+  }
+
+  /** Pin agent to dashboard from drawer action button. */
+  onPinToDashboard(sessionKey: string): void {
+    console.log('[Hub] Pin to dashboard:', sessionKey);
+    // TODO: Implement pin-to-dashboard
+  }
+
+  /** Drawer closed. */
+  onDrawerClose(): void {
+    // No-op for now — drawer is self-managing
+  }
+}

frontend/src/styles.scss

@@ -1,10 +1,18 @@
 // ============================================================================
 // OpenClaw Control Center — M3 Tactical Dark Theme
 // ============================================================================
-// Material Design 3 theming with custom dark palette per design spec.
-// Section 5.1: Color Palette, Section 5.2: Typography
+// Main global stylesheet. Imports the design system token modules and
+// applies the M3 dark theme. All tokens are defined once in
+//   styles/_tokens.scss     — SCSS variables and mixins
+//   styles/_css-properties.scss — CSS custom property output
+//   styles/_utilities.scss  — utility mixins for components
+//
+// Components should @use these modules rather than hardcoding values.
 // ============================================================================
 
+@use 'styles/tokens' as tokens;
+@use 'styles/css-properties' as css-props;
+@use 'styles/utilities' as utils;
 @use '@angular/material' as mat;
 
 // ---------------------------------------------------------------------------
@@ -21,11 +29,11 @@ $dark-theme: mat.define-theme((
     tertiary: mat.$violet-palette,
   ),
   typography: (
-    brand-family: 'Inter, Roboto, sans-serif',
-    plain-family: 'Inter, Roboto, sans-serif',
-    bold-weight: 600,
-    medium-weight: 500,
-    regular-weight: 400,
+    brand-family: tokens.$font-family-brand,
+    plain-family: tokens.$font-family-body,
+    bold-weight: tokens.$font-weight-bold,
+    medium-weight: tokens.$font-weight-medium,
+    regular-weight: tokens.$font-weight-regular,
   ),
   density: (
     scale: 0,
@@ -42,12 +50,26 @@ html {
 }
 
 // ---------------------------------------------------------------------------
-// Custom CSS Custom Properties — Status Colors
+// Emit Design System CSS Custom Properties
+// ---------------------------------------------------------------------------
+@include css-props.emit-custom-properties;
+
 // ---------------------------------------------------------------------------
 // Per spec Section 5.1 "Status Colors (Semantic — outside M3 tonal system)"
 // These are NOT part of the M3 tonal palette; they are semantic overrides.
 // ---------------------------------------------------------------------------
 :root {
+  // --- Tactical Dark Mode color palette (CUB-47) ---
+  --color-surface: #0F172A;
+  --color-surface-light: #1E293B;
+  --color-primary: #38BDF8;
+  --color-secondary: #2DD4BF;
+  --color-accent: #A78BFA;
+  --color-danger: #F87171;
+  --color-text-primary: #FFFFFF;
+  --color-text-secondary: #94A3B8;
+  --color-border: #334155;
+
   // --- Status colors ---
   --status-active: #38BDF8;
   --status-idle: #2DD4BF;
@@ -77,22 +99,29 @@ html {
   --cc-nav-rail-collapsed-width: 72px;
   --cc-nav-rail-expanded-width: 256px;
   --cc-header-height: 64px;
+  --cc-header-height-compact: 56px;
   --cc-bottom-nav-height: 80px;
   --cc-card-border-radius: 16px;
-  --cc-card-min-width: 320px;
+  --cc-card-min-width: 280px;
   --cc-card-gap: 16px;
   --cc-card-padding: 20px;
   --cc-section-padding: 24px;
+  --cc-section-padding-compact: 16px;
   --cc-spacing-unit: 8px;
+
+  // --- Responsive breakpoints (CUB-27) ---
+  --cc-breakpoint-compact: 599px;   // 0-599px: phone / compact
+  --cc-breakpoint-medium: 600px;   // 600-1023px: tablet / medium
+  --cc-breakpoint-expanded: 1024px; // ≥1024px: desktop/kiosk / expanded
 }
 
 // ---------------------------------------------------------------------------
 // Global Body Styles
 // ---------------------------------------------------------------------------
 body {
-  background-color: var(--cc-background);
+  background-color: var(--cc-surface-darkest);
   color: var(--cc-on-surface);
-  font-family: 'Inter', 'Roboto', sans-serif;
+  font-family: var(--cc-font-body);
   margin: 0;
   height: 100%;
   min-height: 100vh;
@@ -100,37 +129,60 @@ body {
   -moz-osx-font-smoothing: grayscale;
 }
 
-// ---------------------------------------------------------------------------
-// M3 Surface Overrides
-// ---------------------------------------------------------------------------
-// Override M3 surface tokens to match our tactical dark palette
-// ---------------------------------------------------------------------------
-:root {
-  // Override M3 system color tokens to match custom palette
-  --mat-sys-surface: var(--cc-surface);
-  --mat-sys-surface-container: var(--cc-surface-container);
-  --mat-sys-surface-container-high: var(--cc-surface-container-high);
-  --mat-sys-on-surface: var(--cc-on-surface);
-  --mat-sys-on-surface-variant: var(--cc-on-surface-variant);
-  --mat-sys-outline: var(--cc-outline);
-  --mat-sys-background: var(--cc-background);
-}
-
 // ---------------------------------------------------------------------------
 // Typography Helpers
 // ---------------------------------------------------------------------------
 .text-mono {
   font-family: var(--cc-font-mono);
-  font-size: 13px;
-  font-weight: 400;
-  letter-spacing: 0.02em;
+  font-size: tokens.$font-size-body-medium;
+  font-weight: tokens.$font-weight-regular;
+  letter-spacing: tokens.$letter-spacing-mono;
+}
+
+.text-display-large {
+  font-size: tokens.$font-size-display-large;
+  font-weight: tokens.$font-weight-heavy;
+  line-height: tokens.$line-height-tight;
+  letter-spacing: tokens.$letter-spacing-tight;
+}
+
+.text-headline-medium {
+  font-size: tokens.$font-size-headline-medium;
+  font-weight: tokens.$font-weight-bold;
+  line-height: tokens.$line-height-tight;
+}
+
+.text-title-large {
+  font-size: tokens.$font-size-title-large;
+  font-weight: tokens.$font-weight-bold;
+}
+
+.text-title-medium {
+  font-size: tokens.$font-size-title-medium;
+  font-weight: tokens.$font-weight-medium;
+}
+
+.text-body-large {
+  font-size: tokens.$font-size-body-large;
+  font-weight: tokens.$font-weight-regular;
+  line-height: tokens.$line-height-normal;
+}
+
+.text-body-medium {
+  font-size: tokens.$font-size-body-medium;
+  font-weight: tokens.$font-weight-regular;
+  line-height: tokens.$line-height-normal;
+}
+
+.text-label-medium {
+  font-size: tokens.$font-size-label-medium;
+  font-weight: tokens.$font-weight-medium;
+  letter-spacing: tokens.$letter-spacing-wide;
 }
 
 // ---------------------------------------------------------------------------
 // Status Dot Pulse Animations
 // ---------------------------------------------------------------------------
-// Per spec Section 7.5: Animation Specs
-// ---------------------------------------------------------------------------
 @keyframes pulse-active {
   0%, 100% { opacity: 1; transform: scale(1); }
   50% { opacity: 0.7; transform: scale(1.15); }
@@ -147,35 +199,35 @@ body {
 }
 
 // ---------------------------------------------------------------------------
-// Utility Classes
+// Status Dot Utility Classes
 // ---------------------------------------------------------------------------
 .status-dot {
-  width: 10px;
-  height: 10px;
-  border-radius: 50%;
+  width: tokens.$status-dot-size;
+  height: tokens.$status-dot-size;
+  border-radius: tokens.$radius-full;
   display: inline-block;
 
   &--active {
-    background-color: var(--status-active);
-    animation: pulse-active 2s ease-in-out infinite;
+    background-color: var(--cc-status-active);
+    animation: pulse-active tokens.$duration-standard tokens.$easing-standard infinite;
   }
 
   &--idle {
-    background-color: var(--status-idle);
+    background-color: var(--cc-status-idle);
   }
 
   &--thinking {
-    background-color: var(--status-thinking);
-    animation: pulse-thinking 3s ease-in-out infinite;
+    background-color: var(--cc-status-thinking);
+    animation: pulse-thinking 3s tokens.$easing-standard infinite;
   }
 
   &--error {
-    background-color: var(--status-error);
-    animation: pulse-error 0.8s ease-in-out infinite;
+    background-color: var(--cc-status-error);
+    animation: pulse-error tokens.$duration-fast tokens.$easing-standard infinite;
   }
 
   &--offline {
-    background-color: var(--status-offline);
+    background-color: var(--cc-status-offline);
   }
 }
 
@@ -190,6 +242,27 @@ body {
   }
 }
 
+// ---------------------------------------------------------------------------
+// Screen-reader-only utility
+// ---------------------------------------------------------------------------
+.sr-only {
+  @include tokens.sr-only;
+}
+
+// ---------------------------------------------------------------------------
+// Truncate utility
+// ---------------------------------------------------------------------------
+.truncate {
+  @include tokens.truncate;
+}
+
+// ---------------------------------------------------------------------------
+// Focus ring utility
+// ---------------------------------------------------------------------------
+.focus-ring {
+  @include tokens.focus-ring;
+}
+
 // ---------------------------------------------------------------------------
 // Scrollbar Styling (Tactical Dark)
 // ---------------------------------------------------------------------------
@@ -199,11 +272,11 @@ body {
 }
 
 ::-webkit-scrollbar-track {
-  background: var(--cc-surface);
+  background: var(--cc-surface-dark);
 }
 
 ::-webkit-scrollbar-thumb {
-  background: var(--cc-outline);
+  background: var(--cc-surface-lighter);
   border-radius: 3px;
 
   &:hover {

frontend/src/styles/_css-properties.scss

@@ -0,0 +1,115 @@
+// ============================================================================
+// OpenClaw Control Center — CSS Custom Property Output
+// ============================================================================
+// This module emits ALL design tokens as CSS custom properties on :root.
+// Import this in styles.scss to make tokens available to all components.
+//
+// Tokens are namespaced with --cc- (Control Center) to avoid collisions
+// with Angular Material's --mat- variables.
+// ============================================================================
+
+@use 'tokens' as *;
+
+// ---------------------------------------------------------------------------
+// Emit all CSS custom properties
+// ---------------------------------------------------------------------------
+@mixin emit-custom-properties {
+  :root {
+    // --- Color tokens ---
+    --cc-color-primary:       #{$color-primary-500};
+    --cc-color-secondary:     #{$color-secondary-400};
+    --cc-color-accent:        #{$color-accent-400};
+    --cc-color-danger:        #{$color-danger-400};
+
+    // --- Surface tokens ---
+    --cc-surface-darkest:     #{$color-surface-darkest};
+    --cc-surface-dark:        #{$color-surface-dark};
+    --cc-surface-medium:      #{$color-surface-medium};
+    --cc-surface-light:       #{$color-surface-light};
+    --cc-surface-lighter:     #{$color-surface-lighter};
+
+    // --- On-surface tokens ---
+    --cc-on-surface:          #{$color-on-surface};
+    --cc-on-surface-variant:  #{$color-on-surface-variant};
+    --cc-on-surface-muted:    #{$color-on-surface-muted};
+
+    // --- Status tokens ---
+    --cc-status-active:       #{$status-active};
+    --cc-status-idle:         #{$status-idle};
+    --cc-status-thinking:     #{$status-thinking};
+    --cc-status-error:        #{$status-error};
+    --cc-status-offline:      #{$status-offline};
+
+    --cc-status-active-bg:    #{$status-active-bg};
+    --cc-status-idle-bg:      #{$status-idle-bg};
+    --cc-status-thinking-bg:  #{$status-thinking-bg};
+    --cc-status-error-bg:     #{$status-error-bg};
+    --cc-status-offline-bg:   #{$status-offline-bg};
+
+    --cc-status-active-border:  #{$status-active-border};
+    --cc-status-idle-border:    #{$status-idle-border};
+    --cc-status-thinking-border: #{$status-thinking-border};
+    --cc-status-error-border:   #{$status-error-border};
+    --cc-status-offline-border:  #{$status-offline-border};
+
+    // --- Typography tokens ---
+    --cc-font-brand:   #{$font-family-brand};
+    --cc-font-body:    #{$font-family-body};
+    --cc-font-mono:    #{$font-family-mono};
+
+    // --- Spacing tokens ---
+    --cc-spacing-0:   #{$spacing-0};
+    --cc-spacing-1:   #{$spacing-1};
+    --cc-spacing-2:   #{$spacing-2};
+    --cc-spacing-3:   #{$spacing-3};
+    --cc-spacing-4:   #{$spacing-4};
+    --cc-spacing-5:   #{$spacing-5};
+    --cc-spacing-6:   #{$spacing-6};
+    --cc-spacing-7:   #{$spacing-7};
+    --cc-spacing-8:   #{$spacing-8};
+    --cc-spacing-10:  #{$spacing-10};
+    --cc-spacing-12:  #{$spacing-12};
+    --cc-spacing-16:  #{$spacing-16};
+
+    // --- Layout tokens ---
+    --cc-nav-rail-collapsed:  #{$nav-rail-collapsed-width};
+    --cc-nav-rail-expanded:   #{$nav-rail-expanded-width};
+    --cc-header-height:        #{$header-height};
+    --cc-bottom-nav-height:   #{$bottom-nav-height};
+    --cc-card-radius:         #{$card-border-radius};
+    --cc-card-min-width:      #{$card-min-width};
+
+    // --- Radius tokens ---
+    --cc-radius-none:  #{$radius-none};
+    --cc-radius-xs:    #{$radius-xs};
+    --cc-radius-sm:    #{$radius-sm};
+    --cc-radius-md:    #{$radius-md};
+    --cc-radius-lg:    #{$radius-lg};
+    --cc-radius-xl:    #{$radius-xl};
+    --cc-radius-full:  #{$radius-full};
+
+    // --- Shadow tokens ---
+    --cc-shadow-0: #{$shadow-level-0};
+    --cc-shadow-1: #{$shadow-level-1};
+    --cc-shadow-2: #{$shadow-level-2};
+    --cc-shadow-3: #{$shadow-level-3};
+    --cc-shadow-4: #{$shadow-level-4};
+
+    // --- Motion tokens ---
+    --cc-duration-fast:     #{$duration-fast};
+    --cc-duration-short:    #{$duration-short};
+    --cc-duration-medium:   #{$duration-medium};
+    --cc-duration-standard: #{$duration-standard};
+    --cc-duration-long:     #{$duration-long};
+
+    --cc-easing-standard:   #{$easing-standard};
+    --cc-easing-decelerate: #{$easing-decelerate};
+    --cc-easing-accelerate: #{$easing-accelerate};
+
+    // --- Accessibility tokens ---
+    --cc-focus-width:  #{$focus-ring-width};
+    --cc-focus-offset: #{$focus-ring-offset};
+    --cc-focus-color:  #{$focus-ring-color};
+    --cc-touch-min:    #{$min-touch-target};
+  }
+}

frontend/src/styles/_tokens.scss

@@ -0,0 +1,474 @@
+// ============================================================================
+// OpenClaw Control Center — M3 Design Tokens
+// ============================================================================
+// Single source of truth for all design tokens.
+// Components should @use this module and reference tokens via variables or
+// the theme() mixin rather than hardcoding values.
+//
+// Token structure:
+//   1. Color tokens    — palette, semantic, status, surface
+//   2. Typography      — families, sizes, weights, line-heights
+//   3. Spacing         — 4px base grid, named steps
+//   4. Layout          — dimensions, breakpoints, radii, shadows
+//   5. Motion          — durations, easing curves
+//   6. Accessibility   — focus, reduced-motion
+// ============================================================================
+
+@use 'sass:map';
+@use 'sass:meta';
+
+// ============================================================================
+// 1. COLOR TOKENS
+// ============================================================================
+
+// ---------------------------------------------------------------------------
+// 1a. Primary Palette (M3 cyan-based)
+// ---------------------------------------------------------------------------
+$color-primary-50:  #ecfeff;
+$color-primary-100: #cffafe;
+$color-primary-200: #a5f3fc;
+$color-primary-300: #67e8f9;
+$color-primary-400: #22d3ee;
+$color-primary-500: #38bdf8;  // Brand primary
+$color-primary-600: #0ea5e9;
+$color-primary-700: #0284c7;
+$color-primary-800: #0369a1;
+$color-primary-900: #075985;
+
+// ---------------------------------------------------------------------------
+// 1b. Secondary Palette (M3 teal-based)
+// ---------------------------------------------------------------------------
+$color-secondary-50:  #f0fdfa;
+$color-secondary-100: #ccfbf1;
+$color-secondary-200: #99f6e4;
+$color-secondary-300: #5eead4;
+$color-secondary-400: #2dd4bf;  // Brand secondary
+$color-secondary-500: #14b8a6;
+$color-secondary-600: #0d9488;
+$color-secondary-700: #0f766e;
+$color-secondary-800: #115e59;
+$color-secondary-900: #134e4a;
+
+// ---------------------------------------------------------------------------
+// 1c. Accent / Tertiary Palette (M3 violet-based)
+// ---------------------------------------------------------------------------
+$color-accent-50:  #f5f3ff;
+$color-accent-100: #ede9fe;
+$color-accent-200: #ddd6fe;
+$color-accent-300: #c4b5fd;
+$color-accent-400: #a78bfa;  // Brand accent
+$color-accent-500: #8b5cf6;
+$color-accent-600: #7c3aed;
+$color-accent-700: #6d28d9;
+$color-accent-800: #5b21b6;
+$color-accent-900: #4c1d95;
+
+// ---------------------------------------------------------------------------
+// 1d. Danger / Error Palette
+// ---------------------------------------------------------------------------
+$color-danger-50:  #fef2f2;
+$color-danger-100: #fee2e2;
+$color-danger-200: #fecaca;
+$color-danger-300: #fca5a5;
+$color-danger-400: #f87171;  // Brand danger
+$color-danger-500: #ef4444;
+$color-danger-600: #dc2626;
+$color-danger-700: #b91c1c;
+$color-danger-800: #991b1b;
+$color-danger-900: #7f1d1d;
+
+// ---------------------------------------------------------------------------
+// 1e. Semantic Surface Tokens (Tactical Dark)
+// ---------------------------------------------------------------------------
+$color-surface-darkest:   #0D0F12;  // Page background
+$color-surface-dark:      #13161A;  // Card / container surface
+$color-surface-medium:     #1C2027;  // Container-elevated
+$color-surface-light:      #252B33;  // Container-high / hover
+$color-surface-lighter:    #2D3748;  // Border / divider zone
+
+$color-on-surface:         #E2E8F0;  // Primary text on dark surfaces
+$color-on-surface-variant: #8A9BB0;  // Secondary / muted text
+$color-on-surface-muted:   #64748B;  // Disabled / hint text
+
+// ---------------------------------------------------------------------------
+// 1f. Status Colors (Semantic — outside M3 tonal system)
+// ---------------------------------------------------------------------------
+$status-active:    #38bdf8;
+$status-idle:      #2dd4bf;
+$status-thinking:  #a78bfa;
+$status-error:     #f87171;
+$status-offline:   #64748b;
+
+// Status background tints (12% opacity for badges, pills, backgrounds)
+$status-active-bg:    rgba(56, 189, 248, 0.12);
+$status-idle-bg:      rgba(45, 212, 191, 0.12);
+$status-thinking-bg:  rgba(167, 139, 250, 0.12);
+$status-error-bg:     rgba(248, 113, 113, 0.12);
+$status-offline-bg:   rgba(100, 116, 139, 0.12);
+
+// Status border colors (40% opacity)
+$status-active-border: rgba(56, 189, 248, 0.40);
+$status-idle-border:   rgba(45, 212, 191, 0.40);
+$status-thinking-border: rgba(167, 139, 250, 0.40);
+$status-error-border:  rgba(248, 113, 113, 0.40);
+$status-offline-border: rgba(100, 116, 139, 0.40);
+
+// Map for iteration
+$status-colors: (
+  'active':   ('fg': $status-active,   'bg': $status-active-bg,   'border': $status-active-border),
+  'idle':     ('fg': $status-idle,     'bg': $status-idle-bg,     'border': $status-idle-border),
+  'thinking': ('fg': $status-thinking, 'bg': $status-thinking-bg,  'border': $status-thinking-border),
+  'error':    ('fg': $status-error,    'bg': $status-error-bg,     'border': $status-error-border),
+  'offline':  ('fg': $status-offline,   'bg': $status-offline-bg,   'border': $status-offline-border),
+);
+
+// ---------------------------------------------------------------------------
+// 1g. Full color map for programmatic access
+// ---------------------------------------------------------------------------
+$colors: (
+  'primary':       $color-primary-500,
+  'secondary':     $color-secondary-400,
+  'accent':        $color-accent-400,
+  'danger':        $color-danger-400,
+  'surface':       $color-surface-dark,
+  'surface-light': $color-surface-light,
+  'on-surface':    $color-on-surface,
+  'on-surface-variant': $color-on-surface-variant,
+  'border':        $color-surface-lighter,
+);
+
+// ============================================================================
+// 2. TYPOGRAPHY TOKENS
+// ============================================================================
+
+// ---------------------------------------------------------------------------
+// 2a. Font Families
+// ---------------------------------------------------------------------------
+$font-family-brand:  'Inter, Roboto, sans-serif';
+$font-family-body:   'Inter, Roboto, sans-serif';
+$font-family-mono:   'Roboto Mono, Cascadia Code, Fira Code, monospace';
+
+// ---------------------------------------------------------------------------
+// 2b. Font Sizes (M3 type scale)
+// ---------------------------------------------------------------------------
+$font-size-display-large:  57px;
+$font-size-display-medium: 45px;
+$font-size-display-small:  36px;
+$font-size-headline-large: 32px;
+$font-size-headline-medium: 28px;
+$font-size-headline-small:  24px;
+$font-size-title-large:     22px;
+$font-size-title-medium:    16px;
+$font-size-title-small:     14px;
+$font-size-body-large:      16px;
+$font-size-body-medium:     14px;
+$font-size-body-small:      12px;
+$font-size-label-large:     14px;
+$font-size-label-medium:    12px;
+$font-size-label-small:     11px;
+
+// ---------------------------------------------------------------------------
+// 2c. Font Weights
+// ---------------------------------------------------------------------------
+$font-weight-regular: 400;
+$font-weight-medium:   500;
+$font-weight-bold:     600;
+$font-weight-heavy:    700;
+
+// ---------------------------------------------------------------------------
+// 2d. Line Heights
+// ---------------------------------------------------------------------------
+$line-height-tight:   1.2;
+$line-height-normal:   1.5;
+$line-height-relaxed:  1.6;
+
+// ---------------------------------------------------------------------------
+// 2e. Letter Spacing
+// ---------------------------------------------------------------------------
+$letter-spacing-tight:    -0.01em;
+$letter-spacing-normal:    0em;
+$letter-spacing-wide:      0.02em;
+$letter-spacing-mono:      0.05em;
+
+// ---------------------------------------------------------------------------
+// 2f. Typography map
+// ---------------------------------------------------------------------------
+$typography: (
+  'font-family-brand':  $font-family-brand,
+  'font-family-body':   $font-family-body,
+  'font-family-mono':   $font-family-mono,
+  'size-display-large': $font-size-display-large,
+  'size-headline-medium': $font-size-headline-medium,
+  'size-title-large':    $font-size-title-large,
+  'size-title-medium':   $font-size-title-medium,
+  'size-body-large':     $font-size-body-large,
+  'size-body-medium':    $font-size-body-medium,
+  'size-body-small':     $font-size-body-small,
+  'size-label-large':    $font-size-label-large,
+  'size-label-medium':   $font-size-label-medium,
+  'weight-regular':      $font-weight-regular,
+  'weight-medium':       $font-weight-medium,
+  'weight-bold':         $font-weight-bold,
+);
+
+// ============================================================================
+// 3. SPACING TOKENS (4px grid)
+// ============================================================================
+
+$spacing-0:   0px;
+$spacing-1:   4px;
+$spacing-2:   8px;
+$spacing-3:   12px;
+$spacing-4:   16px;
+$spacing-5:   20px;
+$spacing-6:   24px;
+$spacing-7:   28px;
+$spacing-8:   32px;
+$spacing-9:   36px;
+$spacing-10:  40px;
+$spacing-12:  48px;
+$spacing-14:  56px;
+$spacing-16:  64px;
+$spacing-20:  80px;
+
+// Named semantic spacing
+$spacing-unit:        $spacing-2;    // 8px — base grid unit
+$spacing-card-gap:    $spacing-4;    // 16px
+$spacing-card-pad:    $spacing-5;    // 20px
+$spacing-section:     $spacing-6;    // 24px
+
+// ============================================================================
+// 4. LAYOUT TOKENS
+// ============================================================================
+
+// ---------------------------------------------------------------------------
+// 4a. Dimensions
+// ---------------------------------------------------------------------------
+$nav-rail-collapsed-width:  72px;
+$nav-rail-expanded-width:   256px;
+$header-height:              64px;
+$bottom-nav-height:          80px;
+$card-border-radius:         16px;
+$card-min-width:             320px;
+$badge-height:               24px;
+$badge-border-radius:        12px;
+$status-dot-size:            10px;
+
+// ---------------------------------------------------------------------------
+// 4b. Breakpoints (M3 canonical)
+// ---------------------------------------------------------------------------
+$breakpoint-compact:  599px;   // Mobile phone
+$breakpoint-medium:   767px;   // Tablet portrait
+$breakpoint-expanded:  1023px;  // Tablet landscape
+$breakpoint-large:    1439px;  // Desktop
+
+// Named breakpoint map for @media mixins
+$breakpoints: (
+  'compact':  $breakpoint-compact,
+  'medium':   $breakpoint-medium,
+  'expanded': $breakpoint-expanded,
+  'large':    $breakpoint-large,
+);
+
+// ---------------------------------------------------------------------------
+// 4c. Border Radius
+// ---------------------------------------------------------------------------
+$radius-none:   0px;
+$radius-xs:     4px;
+$radius-sm:     8px;
+$radius-md:     12px;
+$radius-lg:     16px;
+$radius-xl:     24px;
+$radius-full:    9999px;
+
+// ---------------------------------------------------------------------------
+// 4d. Shadows (M3 elevation)
+// ---------------------------------------------------------------------------
+$shadow-level-0: none;
+$shadow-level-1: 0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px -1px rgba(0, 0, 0, 0.3);
+$shadow-level-2: 0 2px 6px 0 rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
+$shadow-level-3: 0 4px 12px 0 rgba(0, 0, 0, 0.3), 0 4px 8px -4px rgba(0, 0, 0, 0.3);
+$shadow-level-4: 0 8px 24px 0 rgba(0, 0, 0, 0.3), 0 8px 16px -8px rgba(0, 0, 0, 0.3);
+
+// ============================================================================
+// 5. MOTION TOKENS
+// ============================================================================
+
+$duration-instant:   0ms;      // No animation (reduced motion fallback)
+$duration-fast:      100ms;
+$duration-short:     150ms;
+$duration-medium:    200ms;
+$duration-standard:  300ms;
+$duration-long:       500ms;
+
+$easing-standard:  cubic-bezier(0.4, 0, 0.2, 1);   // M3 standard
+$easing-decelerate: cubic-bezier(0, 0, 0.2, 1);     // M3 decelerate (entering)
+$easing-accelerate: cubic-bezier(0.4, 0, 1, 1);     // M3 accelerate (exiting)
+$easing-sharp:     cubic-bezier(0.4, 0, 0.6, 1);    // M3 sharp
+
+// ============================================================================
+// 6. ACCESSIBILITY TOKENS
+// ============================================================================
+
+$focus-ring-width:    2px;
+$focus-ring-offset:   2px;
+$focus-ring-color:    $status-active;
+$focus-ring-style:    solid;
+
+$min-touch-target:    48px;
+$min-body-font:       16px;
+
+// ============================================================================
+// MIXINS
+// ============================================================================
+
+// ---------------------------------------------------------------------------
+// Responsive breakpoint mixin
+// Usage: @include tokens.respond-to('expanded') { ... }
+// ---------------------------------------------------------------------------
+@mixin respond-to($breakpoint) {
+  $value: map.get($breakpoints, $breakpoint);
+  @if $value {
+    @media (min-width: $value + 1) {
+      @content;
+    }
+  } @else {
+    @error "Unknown breakpoint: `#{$breakpoint}`. Valid: compact, medium, expanded, large";
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Below-breakpoint mixin (max-width)
+// Usage: @include tokens.below('expanded') { ... }
+// ---------------------------------------------------------------------------
+@mixin below($breakpoint) {
+  $value: map.get($breakpoints, $breakpoint);
+  @if $value {
+    @media (max-width: $value) {
+      @content;
+    }
+  } @else {
+    @error "Unknown breakpoint: `#{$breakpoint}`. Valid: compact, medium, expanded, large";
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Focus ring mixin
+// ---------------------------------------------------------------------------
+@mixin focus-ring($color: $focus-ring-color) {
+  &:focus-visible {
+    outline: $focus-ring-width $focus-ring-style $color;
+    outline-offset: $focus-ring-offset;
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Card surface mixin
+// ---------------------------------------------------------------------------
+@mixin card-surface {
+  background-color: $color-surface-medium;
+  border-radius: $card-border-radius;
+  border: 1px solid $color-surface-lighter;
+}
+
+// ---------------------------------------------------------------------------
+// Mono text mixin
+// ---------------------------------------------------------------------------
+@mixin mono-text($size: $font-size-body-medium) {
+  font-family: $font-family-mono;
+  font-size: $size;
+  letter-spacing: $letter-spacing-mono;
+}
+
+// ---------------------------------------------------------------------------
+// Status dot mixin
+// ---------------------------------------------------------------------------
+@mixin status-dot($status) {
+  $colors: map.get($status-colors, $status);
+  @if not $colors {
+    @error "Unknown status: `#{$status}`. Valid: active, idle, thinking, error, offline";
+  }
+  $fg: map.get($colors, 'fg');
+
+  width: $status-dot-size;
+  height: $status-dot-size;
+  border-radius: $radius-full;
+  background-color: $fg;
+
+  @if $status == 'active' {
+    animation: pulse-active $duration-standard $easing-standard infinite;
+  } @else if $status == 'thinking' {
+    animation: pulse-thinking 3s $easing-standard infinite;
+  } @else if $status == 'error' {
+    animation: pulse-error $duration-fast $easing-standard infinite;
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Truncate text mixin (single line)
+// ---------------------------------------------------------------------------
+@mixin truncate {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+// ---------------------------------------------------------------------------
+// Screen-reader-only mixin
+// ---------------------------------------------------------------------------
+@mixin sr-only {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  padding: 0;
+  margin: -1px;
+  overflow: hidden;
+  clip: rect(0, 0, 0, 0);
+  white-space: nowrap;
+  border: 0;
+}
+
+// ---------------------------------------------------------------------------
+// Touch target mixin — ensures minimum 48px touch area
+// ---------------------------------------------------------------------------
+@mixin touch-target($min-size: $min-touch-target) {
+  min-width: $min-size;
+  min-height: $min-size;
+}
+// ============================================================================
+// CUB-20 / CUB-27 CONVENIENCE ALIASES
+// ============================================================================
+// Short aliases used by agent-card, hub-page, and other components.
+// These map to the canonical M3 tokens above.
+
+$cc-background:            $color-surface-darkest;
+$cc-surface:               $color-surface-dark;
+$cc-surface-container:     $color-surface-medium;
+$cc-surface-container-high: $color-surface-light;
+$cc-on-surface:            $color-on-surface;
+$cc-on-surface-variant:    $color-on-surface-variant;
+$cc-outline:               $color-surface-lighter;
+
+$cc-font-mono:             $font-family-mono;
+$cc-font-family:           $font-family-brand;
+
+$cc-nav-rail-collapsed-width:  $nav-rail-collapsed-width;
+$cc-nav-rail-expanded-width:   $nav-rail-expanded-width;
+$cc-header-height:              $header-height;
+$cc-bottom-nav-height:          $bottom-nav-height;
+$cc-card-border-radius:         $card-border-radius;
+$cc-card-min-width:             $card-min-width;
+$cc-card-gap:                   $spacing-card-gap;
+$cc-card-padding:               $spacing-card-pad;
+$cc-section-padding:            $spacing-section;
+$cc-spacing-unit:               $spacing-unit;
+
+$cc-breakpoint-mobile:   $breakpoint-compact;
+$cc-breakpoint-tablet:   $breakpoint-medium;
+$cc-breakpoint-desktop:  $breakpoint-expanded;
+
+$cc-surface-darkest: $color-surface-darkest;
+$cc-surface-dark:    $color-surface-dark;
+$cc-surface-medium:  $color-surface-medium;
+$cc-surface-light:  $color-surface-light;
+$cc-surface-lighter: $color-surface-lighter;

frontend/src/styles/_utilities.scss

@@ -0,0 +1,170 @@
+// ============================================================================
+// OpenClaw Control Center — Utility Mixins
+// ============================================================================
+// Reusable patterns that enforce design-system consistency.
+// Components should @use this module and include mixins rather than
+// writing repetitive CSS blocks.
+// ============================================================================
+
+@use 'tokens' as *;
+
+// ---------------------------------------------------------------------------
+// Elevation / Surface Card
+// Applies consistent card styling using design tokens.
+// Usage: @include utils.card-surface();
+// ---------------------------------------------------------------------------
+@mixin card-surface($elevation: 1) {
+  background-color: var(--cc-surface-medium);
+  border-radius: var(--cc-card-radius);
+  border: 1px solid var(--cc-surface-lighter);
+  box-shadow: var(--cc-shadow-#{$elevation});
+  transition: box-shadow var(--cc-duration-short) var(--cc-easing-standard);
+}
+
+// ---------------------------------------------------------------------------
+// Elevated card on hover
+// ---------------------------------------------------------------------------
+@mixin card-hover($elevation: 2) {
+  &:hover {
+    box-shadow: var(--cc-shadow-#{$elevation});
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Status-aware left border
+// Applies colored left border based on agent status.
+// Usage: @include utils.status-border('active');
+// ---------------------------------------------------------------------------
+@mixin status-border($status) {
+  $status-map: (
+    'active':   var(--cc-status-active),
+    'idle':     var(--cc-status-idle),
+    'thinking': var(--cc-status-thinking),
+    'error':    var(--cc-status-error),
+    'offline':  var(--cc-status-offline),
+  );
+  $color: map-get($status-map, $status);
+  @if not $color {
+    $color: var(--cc-status-offline);
+  }
+  border-left: 4px solid $color;
+}
+
+// ---------------------------------------------------------------------------
+// Status badge / pill
+// ---------------------------------------------------------------------------
+@mixin status-badge($status) {
+  $fg-map: (
+    'active':   var(--cc-status-active),
+    'idle':     var(--cc-status-idle),
+    'thinking': var(--cc-status-thinking),
+    'error':    var(--cc-status-error),
+    'offline':  var(--cc-status-offline),
+  );
+  $bg-map: (
+    'active':   var(--cc-status-active-bg),
+    'idle':     var(--cc-status-idle-bg),
+    'thinking': var(--cc-status-thinking-bg),
+    'error':    var(--cc-status-error-bg),
+    'offline':  var(--cc-status-offline-bg),
+  );
+
+  display: inline-flex;
+  align-items: center;
+  gap: 6px;
+  height: $badge-height;
+  padding: 0 8px;
+  border-radius: $badge-border-radius;
+  background-color: map-get($bg-map, $status);
+  color: map-get($fg-map, $status);
+  font-size: $font-size-label-medium;
+  font-weight: $font-weight-medium;
+  white-space: nowrap;
+}
+
+// ---------------------------------------------------------------------------
+// Glass surface (frosted glass effect)
+// ---------------------------------------------------------------------------
+@mixin glass-surface {
+  background-color: rgba(19, 22, 26, 0.8);
+  backdrop-filter: blur(8px);
+  -webkit-backdrop-filter: blur(8px);
+  border: 1px solid var(--cc-surface-lighter);
+}
+
+// ---------------------------------------------------------------------------
+// Responsive grid
+// Creates a responsive grid that adapts from 1-col to 2-col.
+// ---------------------------------------------------------------------------
+@mixin responsive-grid($min-col-width: $card-min-width, $gap: $spacing-card-gap) {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax($min-col-width, 1fr));
+  gap: $gap;
+}
+
+// ---------------------------------------------------------------------------
+// Scroll container
+// ---------------------------------------------------------------------------
+@mixin scroll-container($direction: 'y') {
+  @if $direction == 'y' {
+    overflow-y: auto;
+    overflow-x: hidden;
+  } @else {
+    overflow-x: auto;
+    overflow-y: hidden;
+  }
+  -webkit-overflow-scrolling: touch;
+
+  // Custom scrollbar (tactical dark)
+  &::-webkit-scrollbar {
+    width: 6px;
+    height: 6px;
+  }
+  &::-webkit-scrollbar-track {
+    background: var(--cc-surface-dark);
+  }
+  &::-webkit-scrollbar-thumb {
+    background: var(--cc-surface-lighter);
+    border-radius: 3px;
+    &:hover {
+      background: var(--cc-on-surface-variant);
+    }
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Page container
+// Standard page padding and layout
+// ---------------------------------------------------------------------------
+@mixin page-container {
+  padding: $spacing-section;
+  min-height: 400px;
+  overflow-x: hidden;
+}
+
+// ---------------------------------------------------------------------------
+// Transition helpers
+// ---------------------------------------------------------------------------
+@mixin transition-colors($duration: $duration-short) {
+  transition: color #{$duration} $easing-standard,
+              background-color #{$duration} $easing-standard,
+              border-color #{$duration} $easing-standard;
+}
+
+@mixin transition-transform($duration: $duration-medium) {
+  transition: transform #{$duration} $easing-standard;
+}
+
+@mixin transition-opacity($duration: $duration-short) {
+  transition: opacity #{$duration} $easing-standard;
+}
+
+// ---------------------------------------------------------------------------
+// Reduced motion
+// Wraps content in a reduced-motion media query.
+// ---------------------------------------------------------------------------
+@mixin reduced-motion {
+  @media (prefers-reduced-motion: reduce) {
+    @content;
+  }
+}

go-backend/.dockerignore

@@ -0,0 +1,35 @@
+# Ignore local build artifacts and version-control files
+*.exe
+*.dll
+*.so
+*.dylib
+*.test
+*.out
+bin/
+dist/
+
+# Version control
+.git
+.gitignore
+
+# IDE / editor
+.idea
+.vscode
+*.swp
+*.swo
+*~
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Dependency cache (already fetched in Dockerfile)
+vendor/
+
+# Documentation
+README.md
+*.md
+
+# CI / CD
+.github/
+.gitea/

go-backend/Dockerfile

@@ -0,0 +1,35 @@
+# Build stage
+FROM golang:1.23-alpine AS builder
+WORKDIR /app
+
+# Install build dependencies
+RUN apk add --no-cache git ca-certificates
+
+# Copy dependency files first for better layer caching
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build the binary
+RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-w -s" -o /bin/server ./cmd/server
+
+# ── Final stage ─────────────────────────────────────────────────────────
+FROM alpine:latest
+WORKDIR /app
+
+# Install ca-certificates for HTTPS outbound calls
+RUN apk --no-cache add ca-certificates
+
+# Copy binary from builder
+COPY --from=builder /bin/server /app/server
+
+# Expose the default port (overridden by PORT env var)
+EXPOSE 8080
+
+# Run as non-root
+RUN adduser -D -s /bin/sh appuser
+USER appuser
+
+ENTRYPOINT ["/app/server"]

go-backend/cmd/server/main.go

@@ -0,0 +1,107 @@
+// Command server starts the Control Center Go backend API server.
+package main
+
+import (
+	"context"
+	"fmt"
+	"log/slog"
+	"net/http"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"code.cubecraftcreations.com/CubeCraft-Creations/Control-Center/go-backend/internal/config"
+	"code.cubecraftcreations.com/CubeCraft-Creations/Control-Center/go-backend/internal/db"
+	"code.cubecraftcreations.com/CubeCraft-Creations/Control-Center/go-backend/internal/handler"
+	"code.cubecraftcreations.com/CubeCraft-Creations/Control-Center/go-backend/internal/router"
+	"code.cubecraftcreations.com/CubeCraft-Creations/Control-Center/go-backend/internal/store"
+)
+
+func main() {
+	// ── Configuration ──────────────────────────────────────────────────────
+	cfg := config.Load()
+
+	// ── Logging ────────────────────────────────────────────────────────────
+	logger := slog.New(slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{
+		Level: parseLogLevel(cfg.LogLevel),
+	}))
+	slog.SetDefault(logger)
+
+	// ── Database (optional until CUB-120 schema is ready) ──────────────────
+	var pool *db.Pool
+	if cfg.DatabaseURL != "" {
+		var err error
+		pool, err = db.New(cfg.DatabaseURL)
+		if err != nil {
+			slog.Warn("database connection failed; running without DB", "error", err)
+		}
+	}
+
+	// ── Stores (in-memory for now; PostgreSQL after CUB-120) ────────────────
+	agentStore := store.NewAgentStore()
+	sessionStore := store.NewSessionStore()
+	taskStore := store.NewTaskStore()
+	projectStore := store.NewProjectStore()
+
+	// ── HTTP handler ───────────────────────────────────────────────────────
+	h := handler.NewHandler(agentStore, sessionStore, taskStore, projectStore)
+
+	// ── Router ─────────────────────────────────────────────────────────────
+	r := router.New(&router.Dependencies{
+		Handler:    h,
+		DB:         pool,
+		CORSOrigin: cfg.CORSOrigin,
+	})
+
+	// ── Server ─────────────────────────────────────────────────────────────
+	srv := &http.Server{
+		Addr:         fmt.Sprintf(":%d", cfg.Port),
+		Handler:      r,
+		ReadTimeout:  10 * time.Second,
+		WriteTimeout: 15 * time.Second,
+		IdleTimeout:  60 * time.Second,
+	}
+
+	// Graceful shutdown
+	quit := make(chan os.Signal, 1)
+	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
+
+	go func() {
+		slog.Info("server starting", "port", cfg.Port, "env", cfg.Environment)
+		if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
+			slog.Error("server failed", "error", err)
+			os.Exit(1)
+		}
+	}()
+
+	<-quit
+	slog.Info("shutting down server...")
+
+	ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
+	defer cancel()
+
+	if err := srv.Shutdown(ctx); err != nil {
+		slog.Error("server forced to shutdown", "error", err)
+		os.Exit(1)
+	}
+
+	if pool != nil {
+		pool.Close()
+	}
+
+	slog.Info("server exited cleanly")
+}
+
+func parseLogLevel(level string) slog.Level {
+	switch level {
+	case "debug":
+		return slog.LevelDebug
+	case "warn":
+		return slog.LevelWarn
+	case "error":
+		return slog.LevelError
+	default:
+		return slog.LevelInfo
+	}
+}

go-backend/go.mod

@@ -0,0 +1,26 @@
+module code.cubecraftcreations.com/CubeCraft-Creations/Control-Center/go-backend
+
+go 1.23
+
+require (
+	github.com/go-chi/chi/v5 v5.2.0
+	github.com/go-chi/cors v1.2.1
+	github.com/go-playground/validator/v10 v10.24.0
+	github.com/google/uuid v1.6.0
+	github.com/jackc/pgx/v5 v5.7.2
+)
+
+require (
+	github.com/gabriel-vasile/mimetype v1.4.8 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/jackc/pgpassfile v1.0.0 // indirect
+	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
+	github.com/jackc/puddle/v2 v2.2.2 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
+	golang.org/x/crypto v0.32.0 // indirect
+	golang.org/x/net v0.34.0 // indirect
+	golang.org/x/sync v0.10.0 // indirect
+	golang.org/x/sys v0.29.0 // indirect
+	golang.org/x/text v0.21.0 // indirect
+)

go-backend/go.sum

@@ -0,0 +1,50 @@
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
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+github.com/gabriel-vasile/mimetype v1.4.8 h1:FfZ3gj38NjllZIeJAmMhr+qKL8Wu+nOoI3GqacKw1NM=
+github.com/gabriel-vasile/mimetype v1.4.8/go.mod h1:ByKUIKGjh1ODkGM1asKUbQZOLGrPjydw3hYPU2YU9t8=
+github.com/go-chi/chi/v5 v5.2.0 h1:Aj1EtB0qR2Rdo2dG4O94RIU35w2lvQSj6BRA4+qwFL0=
+github.com/go-chi/chi/v5 v5.2.0/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8=
+github.com/go-chi/cors v1.2.1 h1:xEC8UT3Rlp2QuWNEr4Fs/c2EAGVKBwy/1vHx3bppil4=
+github.com/go-chi/cors v1.2.1/go.mod h1:sSbTewc+6wYHBBCW7ytsFSn836hqM7JxpglAy2Vzc58=
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+github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
+github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
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