CUB-57: Dashboard summary component with status breakdown

Reviewed-on: #27

frontend/angular.json

@@ -56,8 +56,7 @@
             ],
             "stylePreprocessorOptions": {
               "includePaths": [
-                "src",
-                "src/styles"
+                "src"
               ]
             }
           },

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"
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-          { 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"
-              fill="currentColor"
-            >
-              <path
-                d="M200-120q-33 0-56.5-23.5T120-200v-560q0-33 23.5-56.5T200-840h280v80H200v560h560v-280h80v280q0 33-23.5 56.5T760-120H200Zm188-212-56-56 372-372H560v-80h280v280h-80v-144L388-332Z"
-              />
-            </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"
-            fill="none"
-            xmlns="http://www.w3.org/2000/svg"
-            alt="Github"
-          >
-            <path
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-            />
-          </svg>
-        </a>
-        <a
-          href="https://x.com/angular"
-          aria-label="X"
-          target="_blank"
-          rel="noopener"
-        >
-          <svg
-            width="24"
-            height="24"
-            viewBox="0 0 24 24"
-            fill="none"
-            xmlns="http://www.w3.org/2000/svg"
-            alt="X"
-          >
-            <path
-              d="M18.244 2.25h3.308l-7.227 8.26 8.502 11.24H16.17l-5.214-6.817L4.99 21.75H1.68l7.73-8.835L1.254 2.25H8.08l4.713 6.231zm-1.161 17.52h1.833L7.084 4.126H5.117z"
-            />
-          </svg>
-        </a>
-        <a
-          href="https://www.youtube.com/channel/UCbn1OgGei-DV7aSRo_HaAiw"
-          aria-label="Youtube"
-          target="_blank"
-          rel="noopener"
-        >
-          <svg
-            width="29"
-            height="20"
-            viewBox="0 0 29 20"
-            fill="none"
-            xmlns="http://www.w3.org/2000/svg"
-            alt="Youtube"
-          >
-            <path
-              fill-rule="evenodd"
-              clip-rule="evenodd"
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-            />
-          </svg>
-        </a>
-      </div>
-    </div>
-  </div>
-</main>
-
-<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
-<!-- * * * * * * * * * * * The content above * * * * * * * * * * * * -->
-<!-- * * * * * * * * * * is only a placeholder * * * * * * * * * * * -->
-<!-- * * * * * * * * * * and can be replaced.  * * * * * * * * * * * -->
-<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
-<!-- * * * * * * * * * * End of Placeholder  * * * * * * * * * * * * -->
-<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
-
-
 <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

@@ -2,14 +2,17 @@
 <!-- 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()"
+  [attr.aria-label]="displayName + ' — ' + statusLabel()"
   [style.border-left-color]="statusBorderColor()"
+  (click)="cardClick.emit(sessionKey)"
+  appLongPress
+  [appLongPressDuration]="500"
+  (appLongPress)="cardLongPress.emit(sessionKey)"
+  tabindex="0"
 >
 
   <!-- ── Header: status badge + agent info ── -->
@@ -29,20 +32,19 @@
   </div>
 
   <!-- ── Body: current task ── -->
-  <div class="agent-card__body" *ngIf="task || isError()">
+  <div class="agent-card__body" *ngIf="task || status === 'error'">
     <p
       class="agent-card__task"
-      [class.agent-card__task--error]="isError()"
-      [attr.aria-label]="'Current task: ' + (isError() ? errorMessage || task : task)"
+      [attr.aria-label]="'Current task: ' + (status === 'error' ? errorMessage : task)"
     >
-      {{ isError() ? errorMessage || task : task }}
+      {{ status === 'error' ? errorMessage || task : task }}
     </p>
   </div>
 
   <!-- ── Task Progress Bar ── -->
   <div
     class="agent-card__progress"
-    *ngIf="showProgress()"
+    *ngIf="progress > 0 && status !== 'error'"
     [attr.aria-label]="'Task progress: ' + progress + '%'"
   >
     <mat-progress-bar
@@ -53,16 +55,6 @@
     <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">

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

@@ -2,18 +2,15 @@
 // 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;
+  min-width: var(--cc-card-min-width);
+  padding: var(--cc-card-padding);
   background-color: var(--cc-surface-container);
-  border-radius: tokens.$cc-card-border-radius;
+  border-radius: var(--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);
@@ -26,6 +23,14 @@
     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;
@@ -51,6 +56,11 @@
   letter-spacing: 0.02em;
   text-transform: uppercase;
   color: var(--cc-on-surface);
+
+  // Per‑status background tints
+  .status-dot--active + & {
+    background-color: var(--status-active-bg);
+  }
 }
 
 .agent-card__status-label {
@@ -92,7 +102,8 @@
   color: var(--cc-on-surface);
   line-height: 1.4;
 
-  &--error {
+  // Error messages get distinct styling
+  .agent-card--error & {
     color: var(--status-error);
   }
 }
@@ -106,7 +117,6 @@
 }
 
 .agent-card__progress-label {
-  font-family: var(--cc-font-mono);
   font-size: 12px;
   font-weight: 500;
   color: var(--cc-on-surface-variant);
@@ -128,23 +138,6 @@
   }
 }
 
-// ── 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;
@@ -168,6 +161,7 @@
   color: var(--cc-on-surface-variant);
 }
 
+.agent-card__channel-icon,
 .agent-card__channel .mat-icon {
   font-size: 14px;
   width: 14px;
@@ -183,6 +177,7 @@
 .agent-card__jump {
   flex-shrink: 0;
 
+  // Match M3 text button sizing
   .mat-mdc-button {
     min-width: 36px;
     padding: 0 8px;
@@ -197,9 +192,11 @@
 }
 
 // ── Status‑specific background tints for badge ──
-// Using data-status attribute selectors for clean styling.
+// We use the global status-dot classes from styles.scss and pair them
+// with contextual background-color overrides here.
 
-.agent-card[data-status="active"] .agent-card__badge {
+.agent-card[data-status="active"] .agent-card__badge,
+.agent-card .status-dot--active ~ .agent-card__badge {
   background-color: var(--status-active-bg);
 }
 
@@ -215,22 +212,8 @@
   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) {
+@media (max-width: 599px) {
   .agent-card {
     min-width: unset;
     padding: 16px;

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

@@ -1,13 +1,10 @@
 import {
   ChangeDetectionStrategy,
   Component,
+  EventEmitter,
   Input,
-  OnDestroy,
-  Signal,
+  Output,
   computed,
-  effect,
-  inject,
-  signal,
 } from '@angular/core';
 import { CommonModule } from '@angular/common';
 import { RouterModule } from '@angular/router';
@@ -16,17 +13,13 @@ 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 {
-  STATUS_COLORS,
-  STATUS_LABELS,
-  CHANNEL_ICONS,
-} from '../../../design/tokens';
+import { LongPressDirective } from '../../../directives/long-press.directive';
 
 // ============================================================================
 // 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.
-// Enhanced with data-status attribute, elapsed time, and design tokens.
+// CUB-26: Emits cardClick and cardLongPress for drawer/modal integration.
 // ============================================================================
 
 @Component({
@@ -39,12 +32,13 @@ import {
     MatButtonModule,
     MatProgressBarModule,
     MatTooltipModule,
+    LongPressDirective,
   ],
   templateUrl: './agent-card.component.html',
   styleUrl: './agent-card.component.scss',
   changeDetection: ChangeDetectionStrategy.OnPush,
 })
-export class AgentCardComponent implements OnDestroy {
+export class AgentCardComponent {
   // --- Six required inputs per spec ---
 
   /** Agent status — drives badge color and left‑border accent */
@@ -79,18 +73,15 @@ export class AgentCardComponent implements OnDestroy {
   /** 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 ---
 
-  // --- Internal state ---
+  /** Emitted when the card is clicked — opens the session drawer. */
+  @Output() readonly cardClick = new EventEmitter<string>();
 
-  /** Timer for refreshing relative-time label */
-  private _timer: ReturnType<typeof setInterval> | null = null;
+  /** Emitted when the card is long-pressed — bypasses drawer, opens session log directly. */
+  @Output() readonly cardLongPress = new EventEmitter<string>();
 
-  /** Internal signal to trigger relative-time recomputation */
-  private readonly _tick = signal(0);
-
-  // --- Computed values using design tokens ---
+  // --- Computed values ---
 
   /** Map status → CSS custom property for the left‑border accent */
   readonly statusBorderColor = computed(() => {
@@ -104,68 +95,46 @@ export class AgentCardComponent implements OnDestroy {
     return map[this.status] ?? 'var(--status-offline)';
   });
 
-  /** Human‑readable status label (from design tokens) */
-  readonly statusLabel = computed(() => STATUS_LABELS[this.status] ?? this.status);
+  /** Human‑readable status label */
+  readonly statusLabel = computed(() => {
+    const labels: Record<AgentStatus, string> = {
+      active: 'Active',
+      idle: 'Idle',
+      thinking: 'Thinking…',
+      error: 'Error',
+      offline: 'Offline',
+    };
+    return 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);
+  /** Material icon name for the channel */
+  readonly channelIcon = computed(() => {
+    const icons: Record<string, string> = {
+      telegram: 'telegram',  // falls back to font icon if no SVG registered
+      slack: 'chat',
+      discord: 'forum',
+      whatsapp: 'chat',
+      webchat: 'language',
+      email: 'email',
+    };
+    return icons[this.channel] ?? 'chat';
   });
 
-  /** Quick‑jump route derived from sessionKey */
-  readonly jumpRoute = computed(() => `/sessions/${this.sessionKey}`);
-
-  /** Whether progress bar should show */
-  readonly showProgress = computed(() => this.progress > 0 && this.status !== 'error');
-
-  /** Whether error state is active */
-  readonly isError = computed(() => this.status === 'error');
-
-  /** Whether card is in an active-like state (active or thinking) */
-  readonly isActiveLike = computed(() => this.status === 'active' || this.status === 'thinking');
-
-  constructor() {
-    // Start the relative-time refresh timer
-    this._startTimer();
-  }
-
-  ngOnDestroy(): void {
-    this._stopTimer();
-  }
-
-  // --- Private helpers ---
-
-  private _relativeTime(date: Date | null | undefined): string {
-    if (!date) return '';
+  /** Relative time string for lastActivity */
+  readonly lastActivityLabel = computed(() => {
+    if (!this.lastActivity) return '';
     const now = Date.now();
-    const then = date.getTime();
+    const then = this.lastActivity.getTime();
     const diffSec = Math.max(0, Math.floor((now - then) / 1000));
     if (diffSec < 60) return 'just now';
     if (diffSec < 3600) return `${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;
-    }
-  }
+  /** Quick‑jump route derived from sessionKey */
+  readonly jumpRoute = computed(() => `/sessions/${this.sessionKey}`);
 }

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

@@ -1,14 +1,16 @@
 // ============================================================================
 // Adaptive Navigation — Desktop sidebar / Mobile header
-// Desktop (≥768px): 72px sidebar with full navigation items
-// Mobile (<768px):  56px compact header with hamburger menu
+// 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 ≥768px)
+// Desktop Sidebar (visible ≥600px)
 // ---------------------------------------------------------------------------
 .adaptive-nav__sidebar {
-  display: flex;
+  display: none; // Hidden by default (mobile-first)
   flex-direction: column;
   width: var(--cc-nav-rail-collapsed-width, 72px);
   min-height: 100vh;
@@ -152,12 +154,12 @@
 }
 
 // ---------------------------------------------------------------------------
-// Mobile Header (visible <768px)
+// Mobile Header (visible <600px only)
 // ---------------------------------------------------------------------------
 .adaptive-nav__mobile-header {
   display: none; // Hidden on desktop, shown on mobile via media query
   align-items: center;
-  height: 56px;
+  height: var(--cc-header-height-compact, 56px);
   padding: 0 12px;
   background-color: var(--cc-surface-container-high);
   border-bottom: 1px solid var(--cc-outline);
@@ -167,6 +169,8 @@
 
 .adaptive-nav__hamburger {
   color: var(--cc-on-surface-variant) !important;
+  min-width: 48px;
+  min-height: 48px;
 
   &:hover {
     color: var(--cc-on-surface) !important;
@@ -196,6 +200,8 @@
 
 .adaptive-nav__mobile-action {
   color: var(--cc-on-surface-variant) !important;
+  min-width: 48px;
+  min-height: 48px;
 
   &:hover {
     color: var(--cc-on-surface) !important;
@@ -214,7 +220,7 @@
 
 .adaptive-nav__mobile-drawer {
   position: fixed;
-  top: 56px; // Below header
+  top: var(--cc-header-height-compact, 56px); // Below header
   left: 0;
   bottom: 0;
   width: 280px;
@@ -271,34 +277,73 @@
 }
 
 // ---------------------------------------------------------------------------
-// Media Queries — Layout Switch
+// Media Queries — Layout Switch (CUB-27 breakpoints)
 // ---------------------------------------------------------------------------
-// Desktop (≥768px): Show sidebar, hide mobile header
-// Mobile (<768px):  Hide sidebar, show compact header
-// ---------------------------------------------------------------------------
-@media (min-width: 768px) {
+
+// 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;
   }
 
-  // Hide mobile drawer and overlay on desktop
   .adaptive-nav__overlay,
   .adaptive-nav__mobile-drawer {
     display: none;
   }
 }
 
-@media (max-width: 767px) {
+// Expanded (≥1024px): Show sidebar with labels
+@media (min-width: 1024px) {
   .adaptive-nav__sidebar {
-    display: none;
+    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: flex;
+    display: none;
+  }
+
+  .adaptive-nav__overlay,
+  .adaptive-nav__mobile-drawer {
+    display: none;
   }
 }
 
@@ -313,4 +358,8 @@
   .adaptive-nav__mobile-drawer {
     animation: none;
   }
+
+  .adaptive-nav__sidebar {
+    transition: none;
+  }
 }

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

@@ -1,4 +1,4 @@
-import { ChangeDetectionStrategy, Component, signal } from '@angular/core';
+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';
@@ -8,13 +8,14 @@ import { NAV_DESTINATIONS } from '../../models/nav.model';
 
 /**
  * Adaptive Navigation Component — switches between desktop sidebar
- * and mobile header layouts using CSS media queries.
+ * and mobile header layouts using CSS media queries + JS breakpoint sync.
  *
- * Desktop (≥768px): 72px sidebar with full navigation items.
- * Mobile (<768px):  56px compact header with hamburger menu.
+ * 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 both layouts.
- * Per spec Section 3.1 (kiosk) and 3.2 (mobile).
+ * The LIVE status indicator is visible in all layouts.
  */
 @Component({
   selector: 'app-adaptive-navigation',
@@ -31,7 +32,7 @@ import { NAV_DESTINATIONS } from '../../models/nav.model';
   styleUrl: './adaptive-navigation.component.scss',
   changeDetection: ChangeDetectionStrategy.OnPush,
 })
-export class AdaptiveNavigationComponent {
+export class AdaptiveNavigationComponent implements OnInit, OnDestroy {
   /** Navigation destinations shared with other nav components */
   protected readonly destinations = NAV_DESTINATIONS;
 
@@ -41,6 +42,22 @@ export class AdaptiveNavigationComponent {
   /** 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);
@@ -50,4 +67,18 @@ export class AdaptiveNavigationComponent {
   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/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/dashboard-summary/dashboard-summary.component.html

@@ -0,0 +1,32 @@
+<!-- ============================================================================
+  Dashboard Summary Component Template
+  Displays total active agents, status breakdown, and system health.
+  ============================================================================ -->
+
+<section class="dashboard-summary" role="region" aria-label="Dashboard summary">
+
+  <!-- Total Agents -->
+  <div class="summary-total">
+    <span class="summary-total__count">{{ totalAgents() }}</span>
+    <span class="summary-total__label">Total Agents</span>
+  </div>
+
+  <!-- Status Breakdown -->
+  <div class="summary-breakdown" role="list" aria-label="Agent status breakdown">
+    @for (item of statusItems(); track item.status) {
+      <div class="status-item {{ statusClass(item.status) }}" role="listitem">
+        <span class="status-item__dot" [attr.aria-hidden]="true"></span>
+        <span class="status-item__label">{{ item.label }}</span>
+        <span class="status-item__count">{{ item.count }}</span>
+      </div>
+    }
+  </div>
+
+  <!-- System Health Indicator -->
+  <div class="health-indicator {{ healthClass() }}" role="status" aria-label="System health: {{ healthLabel() }}">
+    <span class="health-indicator__dot" [attr.aria-hidden]="true"></span>
+    <span class="health-indicator__label">System</span>
+    <span class="health-indicator__value">{{ healthLabel() }}</span>
+  </div>
+
+</section>

frontend/src/app/components/dashboard-summary/dashboard-summary.component.scss

@@ -0,0 +1,218 @@
+// ============================================================================
+// Dashboard Summary Component Styles
+// Uses design tokens from styles/_tokens.scss (CUB-21)
+// ============================================================================
+
+@use '../../../styles/tokens' as tokens;
+
+// ---------------------------------------------------------------------------
+// Host block
+// ---------------------------------------------------------------------------
+:host {
+  display: block;
+}
+
+// ---------------------------------------------------------------------------
+// Summary container
+// ---------------------------------------------------------------------------
+.dashboard-summary {
+  display: flex;
+  flex-direction: column;
+  gap: tokens.$spacing-5;
+  padding: tokens.$spacing-6;
+  background-color: tokens.$color-surface-medium;
+  border-radius: tokens.$card-border-radius;
+  border: 1px solid tokens.$color-surface-lighter;
+  box-shadow: tokens.$shadow-level-1;
+}
+
+// ---------------------------------------------------------------------------
+// Total agents
+// ---------------------------------------------------------------------------
+.summary-total {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: tokens.$spacing-1;
+  padding-bottom: tokens.$spacing-4;
+  border-bottom: 1px solid tokens.$color-surface-lighter;
+
+  &__count {
+    font-family: tokens.$font-family-brand;
+    font-size: tokens.$font-size-display-small;
+    font-weight: tokens.$font-weight-heavy;
+    line-height: tokens.$line-height-tight;
+    color: tokens.$color-on-surface;
+    letter-spacing: tokens.$letter-spacing-tight;
+  }
+
+  &__label {
+    font-family: tokens.$font-family-body;
+    font-size: tokens.$font-size-label-large;
+    font-weight: tokens.$font-weight-medium;
+    color: tokens.$color-on-surface-variant;
+    text-transform: uppercase;
+    letter-spacing: tokens.$letter-spacing-wide;
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Status breakdown
+// ---------------------------------------------------------------------------
+.summary-breakdown {
+  display: grid;
+  grid-template-columns: repeat(2, 1fr);
+  gap: tokens.$spacing-3;
+}
+
+// ---------------------------------------------------------------------------
+// Individual status item
+// ---------------------------------------------------------------------------
+.status-item {
+  display: flex;
+  align-items: center;
+  gap: tokens.$spacing-2;
+  padding: tokens.$spacing-3 tokens.$spacing-4;
+  border-radius: tokens.$radius-md;
+  background-color: tokens.$color-surface-dark;
+  border: 1px solid tokens.$color-surface-lighter;
+  transition: background-color tokens.$duration-short tokens.$easing-standard;
+
+  &__dot {
+    width: tokens.$status-dot-size;
+    height: tokens.$status-dot-size;
+    border-radius: tokens.$radius-full;
+    flex-shrink: 0;
+  }
+
+  &__label {
+    flex: 1;
+    font-family: tokens.$font-family-body;
+    font-size: tokens.$font-size-body-medium;
+    font-weight: tokens.$font-weight-medium;
+    color: tokens.$color-on-surface-variant;
+  }
+
+  &__count {
+    font-family: tokens.$font-family-mono;
+    font-size: tokens.$font-size-body-large;
+    font-weight: tokens.$font-weight-bold;
+    color: tokens.$color-on-surface;
+  }
+
+  // Status-specific colors using the token map
+  &--active {
+    .status-item__dot {
+      background-color: tokens.$status-active;
+      animation: pulse-active tokens.$duration-standard tokens.$easing-standard infinite;
+    }
+    .status-item__count { color: tokens.$status-active; }
+  }
+
+  &--idle {
+    .status-item__dot {
+      background-color: tokens.$status-idle;
+    }
+    .status-item__count { color: tokens.$status-idle; }
+  }
+
+  &--thinking {
+    .status-item__dot {
+      background-color: tokens.$status-thinking;
+      animation: pulse-thinking 3s tokens.$easing-standard infinite;
+    }
+    .status-item__count { color: tokens.$status-thinking; }
+  }
+
+  &--error {
+    .status-item__dot {
+      background-color: tokens.$status-error;
+      animation: pulse-error tokens.$duration-fast tokens.$easing-standard infinite;
+    }
+    .status-item__count { color: tokens.$status-error; }
+  }
+}
+
+// ---------------------------------------------------------------------------
+// System health indicator
+// ---------------------------------------------------------------------------
+.health-indicator {
+  display: flex;
+  align-items: center;
+  gap: tokens.$spacing-2;
+  padding: tokens.$spacing-3 tokens.$spacing-4;
+  border-radius: tokens.$radius-md;
+  border: 1px solid tokens.$color-surface-lighter;
+
+  &__dot {
+    width: tokens.$status-dot-size;
+    height: tokens.$status-dot-size;
+    border-radius: tokens.$radius-full;
+    flex-shrink: 0;
+  }
+
+  &__label {
+    font-family: tokens.$font-family-body;
+    font-size: tokens.$font-size-body-medium;
+    font-weight: tokens.$font-weight-medium;
+    color: tokens.$color-on-surface-variant;
+  }
+
+  &__value {
+    margin-left: auto;
+    font-family: tokens.$font-family-mono;
+    font-size: tokens.$font-size-body-medium;
+    font-weight: tokens.$font-weight-bold;
+    letter-spacing: tokens.$letter-spacing-mono;
+  }
+
+  &--healthy {
+    .health-indicator__dot {
+      background-color: tokens.$status-active;
+      animation: pulse-active tokens.$duration-standard tokens.$easing-standard infinite;
+    }
+    .health-indicator__value { color: tokens.$status-active; }
+  }
+
+  &--degraded {
+    .health-indicator__dot {
+      background-color: tokens.$status-error;
+      animation: pulse-error tokens.$duration-fast tokens.$easing-standard infinite;
+    }
+    .health-indicator__value { color: tokens.$status-error; }
+  }
+
+  &--unknown {
+    .health-indicator__dot {
+      background-color: tokens.$status-offline;
+    }
+    .health-indicator__value { color: tokens.$status-offline; }
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Pulse animations (from the design system)
+// ---------------------------------------------------------------------------
+@keyframes pulse-active {
+  0%, 100% { opacity: 1; transform: scale(1); }
+  50% { opacity: 0.6; transform: scale(0.85); }
+}
+
+@keyframes pulse-thinking {
+  0%, 100% { opacity: 1; transform: scale(1); }
+  50% { opacity: 0.5; transform: scale(0.9); }
+}
+
+@keyframes pulse-error {
+  0%, 100% { opacity: 1; transform: scale(1); }
+  50% { opacity: 0.7; transform: scale(0.8); }
+}
+
+// ---------------------------------------------------------------------------
+// Responsive: stack on compact screens
+// ---------------------------------------------------------------------------
+@media (max-width: tokens.$breakpoint-compact) {
+  .summary-breakdown {
+    grid-template-columns: 1fr;
+  }
+}

frontend/src/app/components/dashboard-summary/dashboard-summary.component.ts

@@ -0,0 +1,91 @@
+import { ChangeDetectionStrategy, Component, computed, inject } from '@angular/core';
+import { AgentStatusService } from '../../services/agent-status.service';
+import { AgentStatus } from '../../models/agent.model';
+
+/**
+ * Dashboard Summary Component.
+ * Displays total active agents, status breakdown (Active, Idle, Thinking, Error),
+ * and a system health indicator.
+ *
+ * Binds to AgentStatusService.agents signal — no hardcoded values.
+ * Uses design tokens from CUB-21 (styles/_tokens.scss, app/design/tokens.ts).
+ */
+@Component({
+  selector: 'app-dashboard-summary',
+  standalone: true,
+  imports: [],
+  templateUrl: './dashboard-summary.component.html',
+  styleUrl: './dashboard-summary.component.scss',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class DashboardSummaryComponent {
+  private readonly agentStatusService = inject(AgentStatusService);
+
+  /** All agents from the reactive signal */
+  readonly agents = this.agentStatusService.agents;
+
+  /** Total number of agents */
+  readonly totalAgents = computed(() => this.agents().length);
+
+  /** Count of agents per status */
+  readonly statusCounts = computed(() => {
+    const agents = this.agents();
+    const counts: Record<AgentStatus, number> = {
+      active: 0,
+      idle: 0,
+      thinking: 0,
+      error: 0,
+      offline: 0,
+    };
+    for (const agent of agents) {
+      counts[agent.status]++;
+    }
+    return counts;
+  });
+
+  /** Status items for template iteration */
+  readonly statusItems = computed(() => {
+    const counts = this.statusCounts();
+    const total = this.totalAgents();
+    return [
+      { status: 'active' as AgentStatus, count: counts.active, label: 'Active' },
+      { status: 'idle' as AgentStatus, count: counts.idle, label: 'Idle' },
+      { status: 'thinking' as AgentStatus, count: counts.thinking, label: 'Thinking' },
+      { status: 'error' as AgentStatus, count: counts.error, label: 'Error' },
+    ] as const;
+  });
+
+  /**
+   * System health indicator:
+   * - 'healthy'  → no errors, at least one active agent
+   * - 'degraded' → has errors OR no active agents but some agents exist
+   * - 'unknown'  → no agents registered
+   */
+  readonly systemHealth = computed((): 'healthy' | 'degraded' | 'unknown' => {
+    const agents = this.agents();
+    if (agents.length === 0) return 'unknown';
+    const counts = this.statusCounts();
+    if (counts.error > 0) return 'degraded';
+    if (counts.active > 0) return 'healthy';
+    return 'degraded';
+  });
+
+  readonly healthLabel = computed(() => {
+    const health = this.systemHealth();
+    switch (health) {
+      case 'healthy': return 'Healthy';
+      case 'degraded': return 'Degraded';
+      case 'unknown': return 'Unknown';
+    }
+  });
+
+  /** Get the CSS class for a given status */
+  statusClass(status: AgentStatus): string {
+    return `status-item--${status}`;
+  }
+
+  /** Get the CSS class for system health */
+  healthClass(): string {
+    return `health-indicator--${this.systemHealth()}`;
+  }
+}

frontend/src/app/components/dashboard-summary/index.ts

@@ -0,0 +1 @@
+export { DashboardSummaryComponent } from './dashboard-summary.component';

frontend/src/app/components/index.ts

@@ -1,3 +1,6 @@
 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';
+export { DashboardSummaryComponent } from './dashboard-summary/index';

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

@@ -1,89 +1,379 @@
 // ============================================================================
-// OpenClaw Control Center — Design System Tokens (TypeScript)
+// OpenClaw Control Center — Design Tokens (TypeScript)
 // ============================================================================
-// Per CUB-21: Programmatic access to design tokens for Angular components.
-// Use in computed styles, dynamic class maps, or any TS logic that needs
-// token values. CSS custom properties remain the primary styling mechanism.
+// 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;
 // ============================================================================
 
-/** Tactical Dark Mode color palette */
-export const COLORS = {
-  surface: '#0F172A',
-  surfaceLight: '#1E293B',
-  primary: '#38BDF8',
-  secondary: '#2DD4BF',
-  accent: '#A78BFA',
-  danger: '#F87171',
-  textPrimary: '#FFFFFF',
-  textSecondary: '#94A3B8',
-  border: '#334155',
+// ---------------------------------------------------------------------------
+// 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;
 
-/** 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 */
-export const SURFACE = {
-  background: '#0D0F12',
-  surface: '#13161A',
-  container: '#1C2027',
-  containerHigh: '#252B33',
-  onSurface: '#E2E8F0',
-  onSurfaceVariant: '#8A9BB0',
-  outline: '#2D3748',
+// ---------------------------------------------------------------------------
+// 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;
 
-/** Layout constants */
-export const LAYOUT = {
-  navRailCollapsedWidth: 72,
-  navRailExpandedWidth: 256,
-  headerHeight: 64,
-  bottomNavHeight: 80,
-  cardBorderRadius: 16,
-  cardMinWidth: 320,
-  cardGap: 16,
-  cardPadding: 20,
-  sectionPadding: 24,
-  spacingUnit: 8,
+// ---------------------------------------------------------------------------
+// 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;
 
-/** Breakpoints (px) */
-export const BREAKPOINTS = {
-  mobile: 599,
-  tablet: 1023,
-  desktop: 1024,
+// ---------------------------------------------------------------------------
+// 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;
 
-/** Channel icon mapping */
-export const CHANNEL_ICONS: Record<string, string> = {
-  telegram: 'telegram',
-  slack: 'chat',
-  discord: 'forum',
-  whatsapp: 'chat',
-  webchat: 'language',
-  email: 'email',
-};
+// ---------------------------------------------------------------------------
+// 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;
 
-/** Human-readable status labels */
-export const STATUS_LABELS: Record<string, string> = {
-  active: 'Active',
-  idle: 'Idle',
-  thinking: 'Thinking…',
-  error: 'Error',
-  offline: 'Offline',
-};
+// ---------------------------------------------------------------------------
+// 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
+// ---------------------------------------------------------------------------
+// Use these constants when setting styles programmatically via Renderer2
+// or ElementRef.style, e.g.: el.style.setProperty(CcCssProps.colorPrimary, '#fff')
+// ---------------------------------------------------------------------------
+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.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/layout-shell/layout-shell.component.html

@@ -18,3 +18,10 @@
 
 <!-- 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

@@ -1,32 +1,75 @@
-import { ChangeDetectionStrategy, Component, HostListener, ViewChild } 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, QuickJumpDrawerComponent],
+  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 {
@@ -35,4 +78,8 @@ export class LayoutShellComponent {
       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 {
+    if (this.isExpandedBreakpoint()) {
       this.expanded.set(true);
     }
+  }
 
   @HostListener('mouseleave')
   onHoverOut(): void {
+    if (this.isExpandedBreakpoint()) {
       this.expanded.set(false);
     }
+  }
 
   toggleExpand(): void {
+    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

@@ -1,121 +1,140 @@
 // ============================================================================
-// Hub Page — Responsive AgentCard Grid
-// Desktop (≥1024px): 2×2 grid
-// Mobile (<1024px): single-column stack
+// 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
 // ============================================================================
 
-@use 'tokens' as tokens;
-
 .hub-page {
-  display: grid;
-  grid-template-columns: 1fr;
-  gap: tokens.$cc-card-gap;
-  padding: tokens.$cc-section-padding;
+  display: flex;
+  flex-direction: column;
+  gap: 16px;
   min-height: 400px;
   overflow-x: hidden;
 }
 
-// Desktop / kiosk breakpoint — 2-column grid
-@media (min-width: tokens.$cc-breakpoint-desktop) {
-  .hub-page {
-    grid-template-columns: repeat(2, 1fr);
-  }
-}
-
-// ── Loading state ──
-.hub-page__loading {
+.hub-page__title {
   grid-column: 1 / -1;
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  justify-content: center;
-  gap: 12px;
-  padding: 48px 24px;
-  color: var(--cc-on-surface-variant);
-}
-
-.hub-page__loading-icon {
-  font-size: 40px;
-  width: 40px;
-  height: 40px;
-  color: var(--status-active);
-  animation: spin 1.5s linear infinite;
-}
-
-.hub-page__loading-text {
-  font-size: 16px;
-  color: var(--cc-on-surface-variant);
-  margin: 0;
-}
-
-@keyframes spin {
-  from { transform: rotate(0deg); }
-  to { transform: rotate(360deg); }
-}
-
-// ── Empty state ──
-.hub-page__empty {
-  grid-column: 1 / -1;
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  justify-content: center;
-  gap: 8px;
-  padding: 48px 24px;
-  text-align: center;
-}
-
-.hub-page__empty-icon {
-  font-size: 48px;
-  width: 48px;
-  height: 48px;
-  color: var(--status-offline);
-}
-
-.hub-page__empty-text {
-  font-size: 18px;
-  font-weight: 500;
+  font-size: 24px;
+  font-weight: 600;
   color: var(--cc-on-surface);
-  margin: 0;
+  margin: 0 0 8px;
 }
 
-.hub-page__empty-hint {
-  font-size: 14px;
-  color: var(--cc-on-surface-variant);
-  margin: 0;
-}
-
-// ── Error state ──
-.hub-page__error {
-  grid-column: 1 / -1;
+// ---------------------------------------------------------------------------
+// Filter Chip Group
+// ---------------------------------------------------------------------------
+.hub-page__filters {
   display: flex;
-  flex-direction: column;
+  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;
-  gap: 8px;
-  padding: 24px;
-  border: 1px solid var(--status-error);
-  border-radius: tokens.$cc-card-border-radius;
-  background-color: var(--status-error-bg);
+  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);
   }
 
-.hub-page__error-icon {
-  font-size: 32px;
-  width: 32px;
-  height: 32px;
-  color: var(--status-error);
+  &:focus-visible {
+    outline: 2px solid var(--status-active);
+    outline-offset: 2px;
   }
 
-.hub-page__error-text {
-  font-size: 14px;
-  color: var(--status-error);
-  margin: 0;
+  &--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;
 }
 
-// ── Accessibility: reduced motion ──
-@media (prefers-reduced-motion: reduce) {
-  .hub-page__loading-icon {
-    animation: none;
+// ---------------------------------------------------------------------------
+// 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

@@ -1,154 +1,153 @@
-import {
-  ChangeDetectionStrategy,
-  Component,
-  OnDestroy,
-  OnInit,
-  Signal,
-  computed,
-  inject,
-} from '@angular/core';
+import { ChangeDetectionStrategy, Component, signal, computed, ViewChild } from '@angular/core';
 import { CommonModule } from '@angular/common';
-import { MatIconModule } from '@angular/material/icon';
+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 { AgentStatusService } from '../../services/agent-status.service';
+import { AgentStatus } from '../../models/agent.model';
 
-// ============================================================================
-// Hub Page — Fleet Status Grid
-// Per spec Section 7.3: Renders AgentCard components in a responsive grid.
-// Handles loading, empty, error, and success states.
-// Uses Angular signals from AgentStatusService for reactive updates.
-// ============================================================================
+/**
+ * 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: [CommonModule, MatIconModule, AgentCardComponent],
-  template: `
-    <div class="hub-page">
-
-      <!-- Loading state -->
-      <div class="hub-page__loading" *ngIf="loading()">
-        <mat-icon class="hub-page__loading-icon" aria-hidden="true">hourglass_empty</mat-icon>
-        <p class="hub-page__loading-text">Loading agents…</p>
-      </div>
-
-      <!-- Empty state -->
-      <div class="hub-page__empty" *ngIf="!loading() && agents().length === 0">
-        <mat-icon class="hub-page__empty-icon" aria-hidden="true">smart_toy</mat-icon>
-        <p class="hub-page__empty-text">No agents connected yet.</p>
-        <p class="hub-page__empty-hint">Agents will appear here once they come online.</p>
-      </div>
-
-      <!-- Agent card grid -->
-      <app-agent-card
-        *ngFor="let agent of agents(); trackBy: trackByAgentId"
-        [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 ?? ''"
-        [taskElapsed]="agent.taskElapsed ?? ''"
-      />
-
-      <!-- Error state -->
-      <div class="hub-page__error" *ngIf="error()" [attr.aria-label]="'Error: ' + error()">
-        <mat-icon class="hub-page__error-icon" aria-hidden="true">error_outline</mat-icon>
-        <p class="hub-page__error-text">{{ error() }}</p>
-      </div>
-
-    </div>
-  `,
+  imports: [CommonModule, MatChipsModule, AgentCardComponent, AgentSessionDrawerComponent],
+  templateUrl: './hub-page.component.html',
   styleUrl: './hub-page.component.scss',
   changeDetection: ChangeDetectionStrategy.OnPush,
 })
-export class HubPageComponent implements OnInit {
-  /** Agent list signal from the status service */
-  readonly agents: Signal<AgentCardData[]>;
+export class HubPageComponent {
+  @ViewChild(AgentSessionDrawerComponent) sessionDrawer!: AgentSessionDrawerComponent;
 
-  /** Whether the initial load is in progress */
-  readonly loading = computed(() => this._initialLoad);
+  readonly isMobile = signal(false);
 
-  /** Error message signal */
-  readonly error = computed(() => this._errorMsg);
+  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' },
+  ];
 
-  private _initialLoad = true;
-  private _errorMsg: string | null = null;
+  protected readonly activeFilter = signal<AgentFilter>('all');
 
-  private readonly _agentService = inject(AgentStatusService);
-
-  constructor() {
-    this.agents = this._agentService.agents;
-  }
-
-  ngOnInit(): void {
-    // Seed mock data for development until SignalR is wired up
-    this._seedMockData();
-  }
-
-  /** TrackBy function for *ngFor performance */
-  trackByAgentId(index: number, agent: AgentCardData): string {
-    return agent.id;
-  }
-
-  // --- Mock data seeding (remove when SignalR is integrated) ---
-  private _seedMockData(): void {
-    const now = new Date();
-    const mockAgents: AgentCardData[] = [
+  /** 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: 72,
+      taskProgress: 67,
       taskElapsed: '04m 12s',
-        sessionKey: 'agent:otto:slack:control-center:8787a',
+      sessionKey: 'agent:otto:slack:CUB-42:abc123',
       channel: 'slack',
-        lastActivity: new Date(now.getTime() - 30_000),
+      lastActivity: new Date(),
     },
     {
       id: 'rex',
       displayName: 'Rex',
       role: 'Frontend Agent',
       status: 'thinking',
-        currentTask: 'Building agent card component',
-        taskProgress: 45,
-        taskElapsed: '02m 38s',
-        sessionKey: 'agent:rex:telegram:direct:b3c91',
+      currentTask: 'Building responsive layout',
+      taskProgress: 40,
+      taskElapsed: '02m 30s',
+      sessionKey: 'agent:rex:telegram:CUB-27:def456',
       channel: 'telegram',
-        lastActivity: new Date(now.getTime() - 5_000),
+      lastActivity: new Date(Date.now() - 30000),
     },
     {
       id: 'dex',
       displayName: 'Dex',
       role: 'Backend Agent',
       status: 'idle',
-        currentTask: '',
-        taskProgress: 0,
-        sessionKey: 'agent:dex:slack:control-center:4f2a0',
+      currentTask: undefined,
+      taskProgress: undefined,
+      taskElapsed: undefined,
+      sessionKey: 'agent:dex:slack:CUB-53:ghi789',
       channel: 'slack',
-        lastActivity: new Date(now.getTime() - 300_000),
+      lastActivity: new Date(Date.now() - 300000),
     },
     {
       id: 'hex',
       displayName: 'Hex',
       role: 'Database Agent',
       status: 'error',
-        currentTask: 'Migration failed',
+      currentTask: 'Migration failed — rollback initiated',
       taskProgress: 0,
-        errorMessage: 'Connection timeout to PostgreSQL',
-        sessionKey: 'agent:hex:telegram:direct:9d1e7',
-        channel: 'telegram',
-        lastActivity: new Date(now.getTime() - 1_200_000),
+      taskElapsed: '00m 45s',
+      sessionKey: 'agent:hex:slack:CUB-56:jkl012',
+      channel: 'slack',
+      lastActivity: new Date(Date.now() - 60000),
+      errorMessage: 'Connection timeout to database server',
     },
-    ];
-    this._agentService['_agents'].set(mockAgents);
-    this._initialLoad = false;
+    {
+      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,
@@ -42,7 +50,10 @@ 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.
@@ -88,22 +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(--color-surface);
+  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;
@@ -111,37 +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); }
@@ -158,35 +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);
   }
 }
 
@@ -201,6 +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)
 // ---------------------------------------------------------------------------
@@ -210,11 +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

@@ -1,61 +1,437 @@
 // ============================================================================
-// OpenClaw Control Center — Design System Tokens (SCSS)
+// OpenClaw Control Center — M3 Design Tokens
 // ============================================================================
-// Per CUB-21: Centralized design tokens as SCSS variables.
-// Import in any component SCSS with: @use '../../styles/tokens' as tokens;
-// These mirror the CSS custom properties in styles.scss for programmatic use.
+// 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
 // ============================================================================
 
-// --- Color Palette (Tactical Dark) ---
-$color-surface: #0F172A;
-$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;
+@use 'sass:map';
+@use 'sass:meta';
 
-// --- Status Colors ---
-$status-active: #38BDF8;
-$status-idle: #2DD4BF;
-$status-thinking: #A78BFA;
-$status-error: #F87171;
-$status-offline: #64748B;
+// ============================================================================
+// 1. COLOR TOKENS
+// ============================================================================
 
-// --- Status Background Tints (12% opacity) ---
+// ---------------------------------------------------------------------------
+// 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);
 
-// --- Surface Overrides ---
-$cc-background: #0D0F12;
-$cc-surface: #13161A;
-$cc-surface-container: #1C2027;
-$cc-surface-container-high: #252B33;
-$cc-on-surface: #E2E8F0;
-$cc-on-surface-variant: #8A9BB0;
-$cc-outline: #2D3748;
+// Status border colors (40% opacity)
+$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);
 
-// --- Typography ---
-$cc-font-mono: 'Roboto Mono', 'Cascadia Code', 'Fira Code', monospace;
-$cc-font-family: 'Inter', 'Roboto', sans-serif;
+// 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),
+);
 
-// --- Layout ---
-$cc-nav-rail-collapsed-width: 72px;
-$cc-nav-rail-expanded-width: 256px;
-$cc-header-height: 64px;
-$cc-bottom-nav-height: 80px;
-$cc-card-border-radius: 16px;
-$cc-card-min-width: 320px;
-$cc-card-gap: 16px;
-$cc-card-padding: 20px;
-$cc-section-padding: 24px;
-$cc-spacing-unit: 8px;
+// ---------------------------------------------------------------------------
+// 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,
+);
 
-// --- Breakpoints ---
-$cc-breakpoint-mobile: 599px;
-$cc-breakpoint-tablet: 1023px;
-$cc-breakpoint-desktop: 1024px;
+// ============================================================================
+// 2. TYPOGRAPHY TOKENS
+// ============================================================================
+
+// ---------------------------------------------------------------------------
+// 2a. Font Families
+// ---------------------------------------------------------------------------
+$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;
+}

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;
+  }
+}