CUB-122: Scaffold Control Center React frontend

frontend-legacy/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()"
+/>