initial commit

2026-04-25 19:02:57 +00:00
commit f490098af6
60 changed files with 11934 additions and 0 deletions
--- a/frontend/src/app/app.config.ts
+++ b/frontend/src/app/app.config.ts
@@ -0,0 +1,13 @@
+import { ApplicationConfig, provideBrowserGlobalErrorListeners } from '@angular/core';
+import { provideRouter } from '@angular/router';
+import { provideAnimationsAsync } from '@angular/platform-browser/animations/async';
+
+import { routes } from './app.routes';
+
+export const appConfig: ApplicationConfig = {
+  providers: [
+    provideBrowserGlobalErrorListeners(),
+    provideRouter(routes),
+    provideAnimationsAsync(),
+  ],
+};
--- a/frontend/src/app/app.html
+++ b/frontend/src/app/app.html
@@ -0,0 +1,344 @@
+<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
+<!-- * * * * * * * * * * * The content below * * * * * * * * * * * -->
+<!-- * * * * * * * * * * is only a placeholder * * * * * * * * * * -->
+<!-- * * * * * * * * * * and can be replaced.  * * * * * * * * * * -->
+<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
+<!-- * * * * * * * * * Delete the template below * * * * * * * * * -->
+<!-- * * * * * * * to get started with your project! * * * * * * * -->
+<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
+
+<style>
+  :host {
+    --bright-blue: oklch(51.01% 0.274 263.83);
+    --electric-violet: oklch(53.18% 0.28 296.97);
+    --french-violet: oklch(47.66% 0.246 305.88);
+    --vivid-pink: oklch(69.02% 0.277 332.77);
+    --hot-red: oklch(61.42% 0.238 15.34);
+    --orange-red: oklch(63.32% 0.24 31.68);
+
+    --gray-900: oklch(19.37% 0.006 300.98);
+    --gray-700: oklch(36.98% 0.014 302.71);
+    --gray-400: oklch(70.9% 0.015 304.04);
+
+    --red-to-pink-to-purple-vertical-gradient: linear-gradient(
+      180deg,
+      var(--orange-red) 0%,
+      var(--vivid-pink) 50%,
+      var(--electric-violet) 100%
+    );
+
+    --red-to-pink-to-purple-horizontal-gradient: linear-gradient(
+      90deg,
+      var(--orange-red) 0%,
+      var(--vivid-pink) 50%,
+      var(--electric-violet) 100%
+    );
+
+    --pill-accent: var(--bright-blue);
+
+    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
+      Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji",
+      "Segoe UI Symbol";
+    box-sizing: border-box;
+    -webkit-font-smoothing: antialiased;
+    -moz-osx-font-smoothing: grayscale;
+    display: block;
+    height: 100dvh;
+  }
+
+  h1 {
+    font-size: 3.125rem;
+    color: var(--gray-900);
+    font-weight: 500;
+    line-height: 100%;
+    letter-spacing: -0.125rem;
+    margin: 0;
+    font-family: "Inter Tight", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
+      Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji",
+      "Segoe UI Symbol";
+  }
+
+  p {
+    margin: 0;
+    color: var(--gray-700);
+  }
+
+  main {
+    width: 100%;
+    min-height: 100%;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    padding: 1rem;
+    box-sizing: inherit;
+    position: relative;
+  }
+
+  .angular-logo {
+    max-width: 9.2rem;
+  }
+
+  .content {
+    display: flex;
+    justify-content: space-around;
+    width: 100%;
+    max-width: 700px;
+    margin-bottom: 3rem;
+  }
+
+  .content h1 {
+    margin-top: 1.75rem;
+  }
+
+  .content p {
+    margin-top: 1.5rem;
+  }
+
+  .divider {
+    width: 1px;
+    background: var(--red-to-pink-to-purple-vertical-gradient);
+    margin-inline: 0.5rem;
+  }
+
+  .pill-group {
+    display: flex;
+    flex-direction: column;
+    align-items: start;
+    flex-wrap: wrap;
+    gap: 1.25rem;
+  }
+
+  .pill {
+    display: flex;
+    align-items: center;
+    --pill-accent: var(--bright-blue);
+    background: color-mix(in srgb, var(--pill-accent) 5%, transparent);
+    color: var(--pill-accent);
+    padding-inline: 0.75rem;
+    padding-block: 0.375rem;
+    border-radius: 2.75rem;
+    border: 0;
+    transition: background 0.3s ease;
+    font-family: var(--inter-font);
+    font-size: 0.875rem;
+    font-style: normal;
+    font-weight: 500;
+    line-height: 1.4rem;
+    letter-spacing: -0.00875rem;
+    text-decoration: none;
+    white-space: nowrap;
+  }
+
+  .pill:hover {
+    background: color-mix(in srgb, var(--pill-accent) 15%, transparent);
+  }
+
+  .pill-group .pill:nth-child(6n + 1) {
+    --pill-accent: var(--bright-blue);
+  }
+  .pill-group .pill:nth-child(6n + 2) {
+    --pill-accent: var(--electric-violet);
+  }
+  .pill-group .pill:nth-child(6n + 3) {
+    --pill-accent: var(--french-violet);
+  }
+
+  .pill-group .pill:nth-child(6n + 4),
+  .pill-group .pill:nth-child(6n + 5),
+  .pill-group .pill:nth-child(6n + 6) {
+    --pill-accent: var(--hot-red);
+  }
+
+  .pill-group svg {
+    margin-inline-start: 0.25rem;
+  }
+
+  .social-links {
+    display: flex;
+    align-items: center;
+    gap: 0.73rem;
+    margin-top: 1.5rem;
+  }
+
+  .social-links path {
+    transition: fill 0.3s ease;
+    fill: var(--gray-400);
+  }
+
+  .social-links a:hover svg path {
+    fill: var(--gray-900);
+  }
+
+  @media screen and (max-width: 650px) {
+    .content {
+      flex-direction: column;
+      width: max-content;
+    }
+
+    .divider {
+      height: 1px;
+      width: 100%;
+      background: var(--red-to-pink-to-purple-horizontal-gradient);
+      margin-block: 1.5rem;
+    }
+  }
+</style>
+
+<main class="main">
+  <div class="content">
+    <div class="left-side">
+      <svg
+        xmlns="http://www.w3.org/2000/svg"
+        viewBox="0 0 982 239"
+        fill="none"
+        class="angular-logo"
+      >
+        <g clip-path="url(#a)">
+          <path
+            fill="url(#b)"
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+          />
+          <path
+            fill="url(#c)"
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+          />
+        </g>
+        <defs>
+          <radialGradient
+            id="c"
+            cx="0"
+            cy="0"
+            r="1"
+            gradientTransform="rotate(118.122 171.182 60.81) scale(205.794)"
+            gradientUnits="userSpaceOnUse"
+          >
+            <stop stop-color="#FF41F8" />
+            <stop offset=".707" stop-color="#FF41F8" stop-opacity=".5" />
+            <stop offset="1" stop-color="#FF41F8" stop-opacity="0" />
+          </radialGradient>
+          <linearGradient
+            id="b"
+            x1="0"
+            x2="982"
+            y1="192"
+            y2="192"
+            gradientUnits="userSpaceOnUse"
+          >
+            <stop stop-color="#F0060B" />
+            <stop offset="0" stop-color="#F0070C" />
+            <stop offset=".526" stop-color="#CC26D5" />
+            <stop offset="1" stop-color="#7702FF" />
+          </linearGradient>
+          <clipPath id="a"><path fill="#fff" d="M0 0h982v239H0z" /></clipPath>
+        </defs>
+      </svg>
+      <h1>Hello, {{ title() }}</h1>
+      <p>Congratulations! Your app is running. 🎉</p>
+    </div>
+    <div class="divider" role="separator" aria-label="Divider"></div>
+    <div class="right-side">
+      <div class="pill-group">
+        @for (item of [
+          { title: 'Explore the Docs', link: 'https://angular.dev' },
+          { title: 'Learn with Tutorials', link: 'https://angular.dev/tutorials' },
+          { title: 'Prompt and best practices for AI', link: 'https://angular.dev/ai/develop-with-ai'},
+          { title: 'CLI Docs', link: 'https://angular.dev/tools/cli' },
+          { title: 'Angular Language Service', link: 'https://angular.dev/tools/language-service' },
+          { title: 'Angular DevTools', link: 'https://angular.dev/tools/devtools' },
+        ]; track item.title) {
+          <a
+            class="pill"
+            [href]="item.link"
+            target="_blank"
+            rel="noopener"
+          >
+            <span>{{ item.title }}</span>
+            <svg
+              xmlns="http://www.w3.org/2000/svg"
+              height="14"
+              viewBox="0 -960 960 960"
+              width="14"
+              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
+              d="M12.3047 0C5.50634 0 0 5.50942 0 12.3047C0 17.7423 3.52529 22.3535 8.41332 23.9787C9.02856 24.0946 9.25414 23.7142 9.25414 23.3871C9.25414 23.0949 9.24389 22.3207 9.23876 21.2953C5.81601 22.0377 5.09414 19.6444 5.09414 19.6444C4.53427 18.2243 3.72524 17.8449 3.72524 17.8449C2.61064 17.082 3.81137 17.0973 3.81137 17.0973C5.04697 17.1835 5.69604 18.3647 5.69604 18.3647C6.79321 20.2463 8.57636 19.7029 9.27978 19.3881C9.39052 18.5924 9.70736 18.0499 10.0591 17.7423C7.32641 17.4347 4.45429 16.3765 4.45429 11.6618C4.45429 10.3185 4.9311 9.22133 5.72065 8.36C5.58222 8.04931 5.16694 6.79833 5.82831 5.10337C5.82831 5.10337 6.85883 4.77319 9.2121 6.36459C10.1965 6.09082 11.2424 5.95546 12.2883 5.94931C13.3342 5.95546 14.3801 6.09082 15.3644 6.36459C17.7023 4.77319 18.7328 5.10337 18.7328 5.10337C19.3942 6.79833 18.9789 8.04931 18.8559 8.36C19.6403 9.22133 20.1171 10.3185 20.1171 11.6618C20.1171 16.3888 17.2409 17.4296 14.5031 17.7321C14.9338 18.1012 15.3337 18.8559 15.3337 20.0084C15.3337 21.6552 15.3183 22.978 15.3183 23.3779C15.3183 23.7009 15.5336 24.0854 16.1642 23.9623C21.0871 22.3484 24.6094 17.7341 24.6094 12.3047C24.6094 5.50942 19.0999 0 12.3047 0Z"
+            />
+          </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"
+              d="M27.4896 1.52422C27.9301 1.96749 28.2463 2.51866 28.4068 3.12258C29.0004 5.35161 29.0004 10 29.0004 10C29.0004 10 29.0004 14.6484 28.4068 16.8774C28.2463 17.4813 27.9301 18.0325 27.4896 18.4758C27.0492 18.9191 26.5 19.2389 25.8972 19.4032C23.6778 20 14.8068 20 14.8068 20C14.8068 20 5.93586 20 3.71651 19.4032C3.11363 19.2389 2.56449 18.9191 2.12405 18.4758C1.68361 18.0325 1.36732 17.4813 1.20683 16.8774C0.613281 14.6484 0.613281 10 0.613281 10C0.613281 10 0.613281 5.35161 1.20683 3.12258C1.36732 2.51866 1.68361 1.96749 2.12405 1.52422C2.56449 1.08095 3.11363 0.76113 3.71651 0.596774C5.93586 0 14.8068 0 14.8068 0C14.8068 0 23.6778 0 25.8972 0.596774C26.5 0.76113 27.0492 1.08095 27.4896 1.52422ZM19.3229 10L11.9036 5.77905V14.221L19.3229 10Z"
+            />
+          </svg>
+        </a>
+      </div>
+    </div>
+  </div>
+</main>
+
+<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
+<!-- * * * * * * * * * * * The content above * * * * * * * * * * * * -->
+<!-- * * * * * * * * * * is only a placeholder * * * * * * * * * * * -->
+<!-- * * * * * * * * * * and can be replaced.  * * * * * * * * * * * -->
+<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
+<!-- * * * * * * * * * * End of Placeholder  * * * * * * * * * * * * -->
+<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
+
+
+<router-outlet />
--- a/frontend/src/app/app.routes.ts
+++ b/frontend/src/app/app.routes.ts
@@ -0,0 +1,22 @@
+import { Routes } from '@angular/router';
+import { LayoutShellComponent } from './layout/layout-shell/layout-shell.component';
+import { HubPageComponent } from './pages/hub/hub-page.component';
+import { ProjectsPageComponent } from './pages/projects/projects-page.component';
+import { SessionsPageComponent } from './pages/sessions/sessions-page.component';
+import { LogsPageComponent } from './pages/logs/logs-page.component';
+import { SettingsPageComponent } from './pages/settings/settings-page.component';
+
+export const routes: Routes = [
+  {
+    path: '',
+    component: LayoutShellComponent,
+    children: [
+      { path: '', redirectTo: 'hub', pathMatch: 'full' },
+      { path: 'hub', component: HubPageComponent },
+      { path: 'projects', component: ProjectsPageComponent },
+      { path: 'sessions', component: SessionsPageComponent },
+      { path: 'logs', component: LogsPageComponent },
+      { path: 'settings', component: SettingsPageComponent },
+    ],
+  },
+];
--- a/frontend/src/app/app.scss
+++ b/frontend/src/app/app.scss
@@ -0,0 +1,4 @@
+:host {
+  display: block;
+  min-height: 100vh;
+}
--- a/frontend/src/app/app.ts
+++ b/frontend/src/app/app.ts
@@ -0,0 +1,16 @@
+import { Component } from '@angular/core';
+import { RouterOutlet } from '@angular/router';
+
+@Component({
+  selector: 'app-root',
+  standalone: true,
+  imports: [RouterOutlet],
+  template: `<router-outlet />`,
+  styles: [`
+    :host {
+      display: block;
+      min-height: 100vh;
+    }
+  `],
+})
+export class App {}
--- a/frontend/src/app/layout/bottom-nav/bottom-nav.component.html
+++ b/frontend/src/app/layout/bottom-nav/bottom-nav.component.html
@@ -0,0 +1,24 @@
+<nav class="bottom-nav" aria-label="Bottom navigation">
+  @for (dest of destinations; track dest.route) {
+    <a
+      class="bottom-nav__item"
+      [routerLink]="dest.route"
+      routerLinkActive="bottom-nav__item--active"
+      #rla="routerLinkActive"
+      [attr.aria-label]="dest.label"
+      [attr.aria-current]="rla.isActive ? 'page' : null"
+    >
+      <span class="bottom-nav__icon-wrapper">
+        <mat-icon
+          [matBadge]="dest.badge ?? 0"
+          [matBadgeHidden]="!dest.badge"
+          matBadgePosition="above after"
+          matBadgeSize="small"
+        >
+          {{ dest.icon }}
+        </mat-icon>
+      </span>
+      <span class="bottom-nav__label">{{ dest.label }}</span>
+    </a>
+  }
+</nav>
--- a/frontend/src/app/layout/bottom-nav/bottom-nav.component.scss
+++ b/frontend/src/app/layout/bottom-nav/bottom-nav.component.scss
@@ -0,0 +1,76 @@
+// ============================================================================
+// Bottom Navigation Bar — Mobile Navigation
+// Per spec Section 3.2: M3 NavigationBar pattern
+// Visible only on compact breakpoint (< 600px)
+// ============================================================================
+
+.bottom-nav {
+  display: none; // Hidden on desktop, shown on mobile via media query
+  position: fixed;
+  bottom: 0;
+  left: 0;
+  right: 0;
+  height: var(--cc-bottom-nav-height);
+  background-color: var(--cc-surface-container-high);
+  border-top: 1px solid var(--cc-outline);
+  z-index: 50;
+  align-items: center;
+  justify-content: space-around;
+  padding: 0 8px;
+}
+
+.bottom-nav__item {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  gap: 4px;
+  min-width: 48px;
+  min-height: 48px;
+  padding: 8px 0;
+  text-decoration: none;
+  color: var(--cc-on-surface-variant);
+  border-radius: 16px;
+  transition: color 150ms ease, background-color 150ms ease;
+
+  &:hover {
+    color: var(--cc-on-surface);
+    background-color: rgba(255, 255, 255, 0.06);
+  }
+
+  &--active {
+    color: var(--status-active);
+    background-color: var(--status-active-bg);
+
+    .bottom-nav__label {
+      font-weight: 500;
+    }
+  }
+}
+
+.bottom-nav__icon-wrapper {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 32px;
+  height: 32px;
+  border-radius: 16px;
+
+  .bottom-nav__item--active & {
+    background-color: var(--status-active-bg);
+  }
+}
+
+.bottom-nav__label {
+  font-size: 12px;
+  font-weight: 400;
+  letter-spacing: 0.02em;
+  white-space: nowrap;
+}
+
+// Show bottom nav only on compact breakpoint
+@media (max-width: 599px) {
+  .bottom-nav {
+    display: flex;
+  }
+}
--- a/frontend/src/app/layout/bottom-nav/bottom-nav.component.ts
+++ b/frontend/src/app/layout/bottom-nav/bottom-nav.component.ts
@@ -0,0 +1,24 @@
+import { ChangeDetectionStrategy, Component } from '@angular/core';
+import { RouterLink, RouterLinkActive } from '@angular/router';
+import { MatIconModule } from '@angular/material/icon';
+import { MatBadgeModule } from '@angular/material/badge';
+import { NAV_DESTINATIONS } from '../../models/nav.model';
+
+/**
+ * Bottom Navigation Bar for mobile (compact breakpoint).
+ * Per spec Section 3.2: M3 NavigationBar, 3–5 destinations,
+ * active destination uses M3 indicator pill.
+ * Visible only on compact (< 600px) breakpoint.
+ */
+@Component({
+  selector: 'app-bottom-nav',
+  standalone: true,
+  imports: [RouterLink, RouterLinkActive, MatIconModule, MatBadgeModule],
+  templateUrl: './bottom-nav.component.html',
+  styleUrl: './bottom-nav.component.scss',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class BottomNavComponent {
+  /** Show only first 5 destinations on bottom nav */
+  protected readonly destinations = NAV_DESTINATIONS.slice(0, 5);
+}
--- a/frontend/src/app/layout/header-bar/header-bar.component.html
+++ b/frontend/src/app/layout/header-bar/header-bar.component.html
@@ -0,0 +1,45 @@
+<header class="header-bar" role="banner">
+  <h1 class="header-bar__title">Command Hub</h1>
+
+  <div class="header-bar__actions">
+    <!-- Live indicator -->
+    <button
+      class="header-bar__action-btn header-bar__live-btn"
+      mat-icon-button
+      [attr.aria-label]="isConnected() ? 'Connected — live' : 'Disconnected'"
+    >
+      <span
+        class="header-bar__live-dot"
+        [class.header-bar__live-dot--connected]="isConnected()"
+      ></span>
+      <span class="header-bar__live-label">
+        {{ isConnected() ? 'Live' : 'Offline' }}
+      </span>
+    </button>
+
+    <!-- Notification bell -->
+    <button
+      class="header-bar__action-btn"
+      mat-icon-button
+      aria-label="Notifications"
+    >
+      <mat-icon
+        [matBadge]="notificationCount()"
+        [matBadgeHidden]="notificationCount() === 0"
+        matBadgePosition="above after"
+        matBadgeSize="small"
+      >
+        notifications
+      </mat-icon>
+    </button>
+
+    <!-- Settings -->
+    <button
+      class="header-bar__action-btn"
+      mat-icon-button
+      aria-label="Settings"
+    >
+      <mat-icon>settings</mat-icon>
+    </button>
+  </div>
+</header>
--- a/frontend/src/app/layout/header-bar/header-bar.component.scss
+++ b/frontend/src/app/layout/header-bar/header-bar.component.scss
@@ -0,0 +1,76 @@
+// ============================================================================
+// Header Bar — Top App Bar
+// Per spec Section 3.1: 64px tall, M3 MediumTopAppBar on expanded
+// Section 3.2: SmallTopAppBar on mobile
+// ============================================================================
+
+.header-bar {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  height: var(--cc-header-height);
+  padding: 0 var(--cc-section-padding);
+  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;
+  color: var(--cc-on-surface);
+  margin: 0;
+  letter-spacing: -0.01em;
+}
+
+.header-bar__actions {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+.header-bar__action-btn {
+  color: var(--cc-on-surface-variant) !important;
+
+  &:hover {
+    color: var(--cc-on-surface) !important;
+  }
+}
+
+.header-bar__live-dot {
+  display: inline-block;
+  width: 10px;
+  height: 10px;
+  border-radius: 50%;
+  margin-right: 6px;
+  background-color: var(--status-error);
+  vertical-align: middle;
+
+  &--connected {
+    background-color: var(--status-active);
+    animation: pulse-active 2s ease-in-out infinite;
+  }
+}
+
+.header-bar__live-label {
+  font-size: 13px;
+  font-weight: 500;
+  color: var(--cc-on-surface-variant);
+  vertical-align: middle;
+}
+
+// Mobile: smaller title
+@media (max-width: 599px) {
+  .header-bar {
+    padding: 0 16px;
+  }
+
+  .header-bar__title {
+    font-size: 22px;
+    font-weight: 500;
+  }
+
+  .header-bar__live-label {
+    display: none; // Space saving on mobile — dot alone is enough
+  }
+}
--- a/frontend/src/app/layout/header-bar/header-bar.component.ts
+++ b/frontend/src/app/layout/header-bar/header-bar.component.ts
@@ -0,0 +1,25 @@
+import { ChangeDetectionStrategy, Component, signal } from '@angular/core';
+import { MatIconModule } from '@angular/material/icon';
+import { MatButtonModule } from '@angular/material/button';
+import { MatBadgeModule } from '@angular/material/badge';
+
+/**
+ * Header Bar component for the Command Hub.
+ * Per spec Section 3.1: 64px tall, app title + live indicator + notification bell + settings.
+ * Uses M3 top app bar pattern.
+ */
+@Component({
+  selector: 'app-header-bar',
+  standalone: true,
+  imports: [MatIconModule, MatButtonModule, MatBadgeModule],
+  templateUrl: './header-bar.component.html',
+  styleUrl: './header-bar.component.scss',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class HeaderBarComponent {
+  protected readonly notificationCount = signal(3);
+  protected readonly isConnected = signal(true);
+
+  // TODO: Wire up notification panel (spec Section 2: Notifications Panel)
+  // TODO: Wire up settings navigation
+}
--- a/frontend/src/app/layout/index.ts
+++ b/frontend/src/app/layout/index.ts
@@ -0,0 +1,4 @@
+export * from './nav-rail/nav-rail.component';
+export * from './bottom-nav/bottom-nav.component';
+export * from './header-bar/header-bar.component';
+export * from './layout-shell/layout-shell.component';
--- a/frontend/src/app/layout/layout-shell/layout-shell.component.html
+++ b/frontend/src/app/layout/layout-shell/layout-shell.component.html
@@ -0,0 +1,17 @@
+<div class="layout-shell">
+  <!-- Desktop/Kiosk: Nav Rail on the left -->
+  <app-nav-rail class="layout-shell__nav-rail" />
+
+  <div class="layout-shell__main">
+    <!-- Header bar at top of content area -->
+    <app-header-bar class="layout-shell__header" />
+
+    <!-- Scrollable content area -->
+    <main class="layout-shell__content">
+      <router-outlet />
+    </main>
+  </div>
+
+  <!-- Mobile: Bottom Navigation Bar -->
+  <app-bottom-nav class="layout-shell__bottom-nav" />
+</div>
--- a/frontend/src/app/layout/layout-shell/layout-shell.component.scss
+++ b/frontend/src/app/layout/layout-shell/layout-shell.component.scss
@@ -0,0 +1,57 @@
+// ============================================================================
+// Layout Shell — Adaptive layout container
+// Desktop: Nav Rail (left) + Main Content (right)
+// Mobile: Header + Content + Bottom Nav (stacked)
+// ============================================================================
+
+.layout-shell {
+  display: flex;
+  min-height: 100vh;
+  background-color: var(--cc-background);
+}
+
+.layout-shell__nav-rail {
+  flex-shrink: 0;
+}
+
+.layout-shell__main {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  min-width: 0; // Prevent flex overflow
+  overflow: hidden;
+}
+
+.layout-shell__header {
+  flex-shrink: 0;
+}
+
+.layout-shell__content {
+  flex: 1;
+  overflow-y: auto;
+  overflow-x: hidden;
+  padding: var(--cc-section-padding);
+}
+
+.layout-shell__bottom-nav {
+  flex-shrink: 0;
+}
+
+// Mobile: Stack layout vertically, add bottom padding for bottom nav
+@media (max-width: 599px) {
+  .layout-shell {
+    flex-direction: column;
+  }
+
+  .layout-shell__content {
+    // Account for bottom nav bar height
+    padding-bottom: calc(var(--cc-bottom-nav-height) + 16px);
+  }
+}
+
+// Tablet: Ensure content padding accommodates collapsed nav rail
+@media (min-width: 600px) and (max-width: 1023px) {
+  .layout-shell__content {
+    padding: 20px;
+  }
+}
--- a/frontend/src/app/layout/layout-shell/layout-shell.component.ts
+++ b/frontend/src/app/layout/layout-shell/layout-shell.component.ts
@@ -0,0 +1,21 @@
+import { ChangeDetectionStrategy, Component } from '@angular/core';
+import { RouterOutlet } from '@angular/router';
+import { NavRailComponent } from '../nav-rail/nav-rail.component';
+import { BottomNavComponent } from '../bottom-nav/bottom-nav.component';
+import { HeaderBarComponent } from '../header-bar/header-bar.component';
+
+/**
+ * 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).
+ */
+@Component({
+  selector: 'app-layout-shell',
+  standalone: true,
+  imports: [RouterOutlet, NavRailComponent, BottomNavComponent, HeaderBarComponent],
+  templateUrl: './layout-shell.component.html',
+  styleUrl: './layout-shell.component.scss',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class LayoutShellComponent {}
--- a/frontend/src/app/layout/nav-rail/nav-rail.component.html
+++ b/frontend/src/app/layout/nav-rail/nav-rail.component.html
@@ -0,0 +1,44 @@
+<aside
+  class="nav-rail"
+  [class.nav-rail--expanded]="expanded()"
+  [attr.aria-label]="'Navigation'"
+>
+  <!-- Header with OpenClaw brand -->
+  <div class="nav-rail__header">
+    <button
+      class="nav-rail__toggle"
+      (click)="toggleExpand()"
+      [attr.aria-label]="expanded() ? 'Collapse navigation' : 'Expand navigation'"
+      [attr.aria-expanded]="expanded()"
+    >
+      <mat-icon>menu</mat-icon>
+    </button>
+    @if (expanded()) {
+      <span class="nav-rail__brand">OpenClaw</span>
+    }
+  </div>
+
+  <!-- Navigation destinations -->
+  <nav class="nav-rail__nav">
+    @for (dest of destinations; track dest.route) {
+      <a
+        [routerLink]="dest.route"
+        routerLinkActive="nav-rail__item--active"
+        [attr.aria-label]="dest.label"
+        class="nav-rail__item"
+      >
+        <mat-icon
+          [matBadge]="dest.badge ?? 0"
+          [matBadgeHidden]="!dest.badge"
+          matBadgePosition="above after"
+          matBadgeSize="small"
+        >
+          {{ dest.icon }}
+        </mat-icon>
+        @if (expanded()) {
+          <span class="nav-rail__label">{{ dest.label }}</span>
+        }
+      </a>
+    }
+  </nav>
+</aside>
--- a/frontend/src/app/layout/nav-rail/nav-rail.component.scss
+++ b/frontend/src/app/layout/nav-rail/nav-rail.component.scss
@@ -0,0 +1,112 @@
+// ============================================================================
+// Nav Rail — Desktop/Kiosk Navigation
+// Per spec Section 3.1: 72px collapsed / 256px expanded
+// Section 5.4: Spacing & Grid
+// ============================================================================
+
+.nav-rail {
+  display: flex;
+  flex-direction: column;
+  width: var(--cc-nav-rail-collapsed-width);
+  min-height: 100vh;
+  background-color: var(--cc-surface-container-high);
+  border-right: 1px solid var(--cc-outline);
+  transition: width 200ms cubic-bezier(0.4, 0, 0.2, 1);
+  overflow: hidden;
+  z-index: 10;
+
+  &--expanded {
+    width: var(--cc-nav-rail-expanded-width);
+  }
+}
+
+.nav-rail__header {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  padding: 16px 12px;
+  min-height: 64px;
+  border-bottom: 1px solid var(--cc-outline);
+}
+
+.nav-rail__toggle {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 48px;
+  height: 48px;
+  min-width: 48px;
+  border: none;
+  border-radius: 50%;
+  background: transparent;
+  color: var(--cc-on-surface);
+  cursor: pointer;
+  transition: background-color 150ms ease;
+
+  &:hover {
+    background-color: rgba(255, 255, 255, 0.08);
+  }
+
+  &:focus-visible {
+    outline: 3px solid var(--status-active);
+    outline-offset: 2px;
+  }
+}
+
+.nav-rail__brand {
+  font-size: 18px;
+  font-weight: 600;
+  color: var(--status-active);
+  white-space: nowrap;
+  letter-spacing: 0.02em;
+}
+
+.nav-rail__nav {
+  flex: 1;
+  padding-top: 8px;
+
+  // Override Angular Material list item styles for compact nav rail items
+  --mat-list-list-item-one-line-vertical-gap: 4px;
+}
+
+.nav-rail__item {
+  display: flex;
+  align-items: center;
+  gap: 16px;
+  min-height: 56px;
+  padding: 0 12px;
+  border-radius: 28px;
+  margin: 2px 12px;
+  color: var(--cc-on-surface-variant);
+  text-decoration: none;
+  transition: background-color 150ms ease, color 150ms ease;
+
+  &:hover {
+    background-color: rgba(255, 255, 255, 0.08);
+    color: var(--cc-on-surface);
+  }
+
+  &--active {
+    background-color: var(--status-active-bg);
+    color: var(--status-active);
+
+    .nav-rail__label {
+      font-weight: 500;
+    }
+  }
+}
+
+.nav-rail__label {
+  font-size: 14px;
+  font-weight: 400;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+// Responsive: Hide nav rail on mobile (bottom nav takes over)
+@media (max-width: 599px) {
+  .nav-rail {
+    display: none;
+  }
+}
--- a/frontend/src/app/layout/nav-rail/nav-rail.component.ts
+++ b/frontend/src/app/layout/nav-rail/nav-rail.component.ts
@@ -0,0 +1,32 @@
+import { ChangeDetectionStrategy, Component, signal, HostListener } from '@angular/core';
+import { RouterLink, RouterLinkActive } from '@angular/router';
+import { MatIconModule } from '@angular/material/icon';
+import { MatBadgeModule } from '@angular/material/badge';
+import { NAV_DESTINATIONS } from '../../models/nav.model';
+
+@Component({
+  selector: 'app-nav-rail',
+  standalone: true,
+  imports: [RouterLink, RouterLinkActive, MatIconModule, MatBadgeModule],
+  templateUrl: './nav-rail.component.html',
+  styleUrl: './nav-rail.component.scss',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class NavRailComponent {
+  protected readonly destinations = NAV_DESTINATIONS;
+  protected readonly expanded = signal(false);
+
+  @HostListener('mouseenter')
+  onHoverIn(): void {
+    this.expanded.set(true);
+  }
+
+  @HostListener('mouseleave')
+  onHoverOut(): void {
+    this.expanded.set(false);
+  }
+
+  toggleExpand(): void {
+    this.expanded.update(v => !v);
+  }
+}
--- a/frontend/src/app/models/agent.model.ts
+++ b/frontend/src/app/models/agent.model.ts
@@ -0,0 +1,54 @@
+// ============================================================================
+// Agent Status Types
+// Per spec Section 7.3: Agent Card Component Interface
+// ============================================================================
+
+export type AgentStatus = 'active' | 'idle' | 'thinking' | 'error' | 'offline';
+
+export interface AgentCardData {
+  /** Short agent ID, e.g., "otto" */
+  id: string;
+
+  /** Display name, e.g., "Otto" */
+  displayName: string;
+
+  /** Role description, e.g., "Orchestrator Agent" */
+  role: string;
+
+  /** Current agent status */
+  status: AgentStatus;
+
+  /** Current task description, e.g., "Reviewing PR #42" */
+  currentTask?: string;
+
+  /** Task progress percentage 0–100 */
+  taskProgress?: number;
+
+  /** Elapsed time string, e.g., "04m 12s" */
+  taskElapsed?: string;
+
+  /** Full session key, e.g., "agent:otto:telegram:direct:8787..." */
+  sessionKey: string;
+
+  /** Communication channel, e.g., "telegram" */
+  channel: string;
+
+  /** Timestamp of last activity */
+  lastActivity: Date;
+
+  /** Error message (populated only on error status) */
+  errorMessage?: string;
+}
+
+export interface AgentStatusUpdate {
+  agentId: string;
+  status: AgentStatus;
+  timestamp: Date;
+}
+
+export interface TaskProgressUpdate {
+  agentId: string;
+  taskName?: string;
+  progress: number;
+  elapsed?: string;
+}
--- a/frontend/src/app/models/index.ts
+++ b/frontend/src/app/models/index.ts
@@ -0,0 +1,2 @@
+export * from './agent.model';
+export * from './nav.model';
--- a/frontend/src/app/models/nav.model.ts
+++ b/frontend/src/app/models/nav.model.ts
@@ -0,0 +1,19 @@
+// ============================================================================
+// Navigation Model
+// Per spec Section 3.5: Global Navigation Structure
+// ============================================================================
+
+export interface NavDestination {
+  label: string;
+  icon: string;
+  route: string;
+  badge?: number;
+}
+
+export const NAV_DESTINATIONS: NavDestination[] = [
+  { label: 'Command Hub', icon: 'bolt', route: '/hub' },
+  { label: 'Projects', icon: 'assignment', route: '/projects' },
+  { label: 'Sessions', icon: 'folder_open', route: '/sessions' },
+  { label: 'Logs', icon: 'bar_chart', route: '/logs' },
+  { label: 'Settings', icon: 'settings', route: '/settings' },
+];
--- a/frontend/src/app/pages/hub/hub-page.component.ts
+++ b/frontend/src/app/pages/hub/hub-page.component.ts
@@ -0,0 +1,26 @@
+import { ChangeDetectionStrategy, Component } from '@angular/core';
+
+@Component({
+  selector: 'app-hub-page',
+  standalone: true,
+  imports: [],
+  template: `
+    <div class="hub-page">
+      <p class="hub-page__placeholder">Command Hub — Fleet status grid will render here</p>
+    </div>
+  `,
+  styles: [`
+    .hub-page {
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      min-height: 400px;
+    }
+    .hub-page__placeholder {
+      color: var(--cc-on-surface-variant);
+      font-size: 16px;
+    }
+  `],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class HubPageComponent {}
--- a/frontend/src/app/pages/logs/logs-page.component.ts
+++ b/frontend/src/app/pages/logs/logs-page.component.ts
@@ -0,0 +1,10 @@
+import { ChangeDetectionStrategy, Component } from '@angular/core';
+
+@Component({
+  selector: 'app-logs-page',
+  standalone: true,
+  imports: [],
+  template: `<p style="color: var(--cc-on-surface-variant)">Logs page — coming soon</p>`,
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class LogsPageComponent {}
--- a/frontend/src/app/pages/projects/projects-page.component.ts
+++ b/frontend/src/app/pages/projects/projects-page.component.ts
@@ -0,0 +1,10 @@
+import { ChangeDetectionStrategy, Component } from '@angular/core';
+
+@Component({
+  selector: 'app-projects-page',
+  standalone: true,
+  imports: [],
+  template: `<p style="color: var(--cc-on-surface-variant)">Projects page — coming soon</p>`,
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class ProjectsPageComponent {}
--- a/frontend/src/app/pages/sessions/sessions-page.component.ts
+++ b/frontend/src/app/pages/sessions/sessions-page.component.ts
@@ -0,0 +1,10 @@
+import { ChangeDetectionStrategy, Component } from '@angular/core';
+
+@Component({
+  selector: 'app-sessions-page',
+  standalone: true,
+  imports: [],
+  template: `<p style="color: var(--cc-on-surface-variant)">Sessions page — coming soon</p>`,
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class SessionsPageComponent {}
--- a/frontend/src/app/pages/settings/settings-page.component.ts
+++ b/frontend/src/app/pages/settings/settings-page.component.ts
@@ -0,0 +1,10 @@
+import { ChangeDetectionStrategy, Component } from '@angular/core';
+
+@Component({
+  selector: 'app-settings-page',
+  standalone: true,
+  imports: [],
+  template: `<p style="color: var(--cc-on-surface-variant)">Settings page — coming soon</p>`,
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class SettingsPageComponent {}
--- a/frontend/src/app/services/agent-status.service.ts
+++ b/frontend/src/app/services/agent-status.service.ts
@@ -0,0 +1,47 @@
+import { Injectable, signal } from '@angular/core';
+import { AgentCardData, AgentStatus, AgentStatusUpdate, TaskProgressUpdate } from '../models/agent.model';
+
+/**
+ * Agent Status Service — stub for future SignalR integration.
+ * Per spec Section 7.4: Connects to /hubs/agent-status for real-time updates.
+ *
+ * TODO: Implement SignalR hub connection when backend is ready.
+ * TODO: Wire up NgRx store or signals for reactive state management.
+ */
+@Injectable({ providedIn: 'root' })
+export class AgentStatusService {
+  /** Stub: list of agents (will come from SignalR) */
+  private readonly _agents = signal<AgentCardData[]>([]);
+
+  readonly agents = this._agents.asReadonly();
+
+  /** Stub: update an agent's status */
+  updateStatus(update: AgentStatusUpdate): void {
+    this._agents.update(agents =>
+      agents.map(agent =>
+        agent.id === update.agentId
+          ? { ...agent, status: update.status }
+          : agent
+      )
+    );
+  }
+
+  /** Stub: update an agent's task progress */
+  updateTaskProgress(progress: TaskProgressUpdate): void {
+    this._agents.update(agents =>
+      agents.map(agent =>
+        agent.id === progress.agentId
+          ? {
+              ...agent,
+              taskProgress: progress.progress,
+              ...(progress.taskName ? { currentTask: progress.taskName } : {}),
+              ...(progress.elapsed ? { taskElapsed: progress.elapsed } : {}),
+            }
+          : agent
+      )
+    );
+  }
+
+  // TODO: connect() — Initialize SignalR connection
+  // TODO: disconnect() — Clean up SignalR connection
+}