CUB-23: implement AgentCard component with status indicators, progress bar, and M3 styling
- AgentCard component with inputs: status, task, progress, sessionKey, channel, lastActivity - Status badge colors: Active (#38BDF8), Idle (#2DD4BF), Thinking (#A78BFA), Error (#F87171) - 4px left-border accent matching status color via CSS custom properties - Pulse animations: Active (2s), Error (0.8s), Thinking (3s) using global styles.scss keyframes - Task progress bar with percentage display - Quick-Jump button using M3 FilledTonalIconButton style with state layer overlay - Hover/focus states with M3 state layer overlay (8% primary) - Accessibility: aria-labels for status, role=article on cards, focus-visible outlines - Reduced-motion media query support - Updated HubPageComponent with demo data grid layout
This commit is contained in:
cubecraft-agents[bot]
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<article
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class="agent-card"
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[class]="'agent-card--' + status()"
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[attr.aria-label]="'Agent card: ' + statusLabel() + ' status'"
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[style.--agent-status-color]="statusColorVar()"
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[style.--agent-status-bg]="statusBgVar()"
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>
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<!-- Left border accent (4px, matching status color) -->
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<div class="agent-card__accent"></div>
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<!-- Card body -->
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<div class="agent-card__body">
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<!-- Header row: status dot + status label + channel + last activity -->
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<div class="agent-card__header">
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<div class="agent-card__status-row">
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<span
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class="status-dot agent-card__dot"
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[ngClass]="[statusDotClass()]"
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[attr.aria-label]="statusLabel() + ' status indicator'"
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role="status"
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></span>
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<span class="agent-card__status-label" [style.color]="statusColorVar()">
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{{ statusLabel() }}
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</span>
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</div>
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<div class="agent-card__meta">
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@if (channel()) {
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<span class="agent-card__channel text-mono">
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<mat-icon class="agent-card__channel-icon" fontIcon="forum" [inline]="true"></mat-icon>
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{{ channel() }}
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</span>
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}
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<span class="agent-card__last-activity text-mono">{{ lastActivityText() }}</span>
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</div>
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</div>
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<!-- Task description -->
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@if (task()) {
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<p class="agent-card__task">{{ task() }}</p>
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}
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<!-- Progress bar -->
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@if (showProgress()) {
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<div class="agent-card__progress">
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<mat-progress-bar
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mode="determinate"
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[value]="progress()"
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[attr.aria-label]="'Task progress: ' + progress() + '%'"
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></mat-progress-bar>
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<div class="agent-card__progress-info">
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<span class="text-mono">{{ progress() }}%</span>
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</div>
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</div>
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}
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<!-- Footer: session key (truncated) + jump button -->
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<div class="agent-card__footer">
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<span class="agent-card__session text-mono" [matTooltip]="sessionKey()">
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{{ sessionKey().length > 28 ? sessionKey().substring(0, 28) + '…' : sessionKey() }}
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</span>
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<button
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mat-icon-button
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class="agent-card__jump"
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[attr.aria-label]="'Jump to agent session'"
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matTooltip="Jump to session"
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>
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<mat-icon>arrow_forward</mat-icon>
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</button>
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</div>
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</div>
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</article>
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277
frontend/src/app/components/agent-card/agent-card.component.scss
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277
frontend/src/app/components/agent-card/agent-card.component.scss
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@@ -0,0 +1,277 @@
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// ============================================================================
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// Agent Card Styles — M3 Tactical Dark
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// Per spec Section 7.3: Agent Card Component
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// Section 7.5: Animation Specs
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// ============================================================================
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// ---------------------------------------------------------------------------
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// Card Shell
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// ---------------------------------------------------------------------------
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.agent-card {
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display: flex;
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position: relative;
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min-width: var(--cc-card-min-width, 320px);
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border-radius: var(--cc-card-border-radius, 16px);
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background-color: var(--cc-surface-container);
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overflow: hidden;
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transition: background-color 150ms ease, box-shadow 150ms ease;
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// M3 state layer overlay on hover (8% primary)
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&::after {
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content: '';
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position: absolute;
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inset: 0;
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border-radius: inherit;
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background-color: rgba(255, 255, 255, 0.08);
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opacity: 0;
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transition: opacity 150ms ease;
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pointer-events: none;
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}
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&:hover::after {
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opacity: 1;
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}
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// Focus-visible outline for keyboard navigation
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&:focus-visible {
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outline: 3px solid var(--status-active);
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outline-offset: 2px;
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}
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}
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// ---------------------------------------------------------------------------
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// Left-border accent (4px, matching status color)
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// ---------------------------------------------------------------------------
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.agent-card__accent {
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flex-shrink: 0;
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width: 4px;
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background-color: var(--agent-status-color);
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border-radius: 4px 0 0 4px;
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}
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// ---------------------------------------------------------------------------
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// Card Body
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// ---------------------------------------------------------------------------
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.agent-card__body {
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flex: 1;
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display: flex;
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flex-direction: column;
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gap: 12px;
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padding: var(--cc-card-padding, 20px);
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min-width: 0; // Prevent flex blowout for long text
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}
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// ---------------------------------------------------------------------------
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// Header Row
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// ---------------------------------------------------------------------------
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.agent-card__header {
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display: flex;
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align-items: center;
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justify-content: space-between;
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gap: 12px;
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flex-wrap: wrap;
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}
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.agent-card__status-row {
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display: flex;
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align-items: center;
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gap: 8px;
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}
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.agent-card__dot {
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flex-shrink: 0;
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}
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.agent-card__status-label {
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font-size: 14px;
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font-weight: 600;
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text-transform: uppercase;
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letter-spacing: 0.05em;
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}
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.agent-card__meta {
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display: flex;
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align-items: center;
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gap: 12px;
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color: var(--cc-on-surface-variant);
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font-size: 12px;
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}
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.agent-card__channel {
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display: inline-flex;
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align-items: center;
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gap: 4px;
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}
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.agent-card__channel-icon {
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font-size: 14px;
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width: 14px;
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height: 14px;
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}
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.agent-card__last-activity {
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opacity: 0.7;
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}
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// ---------------------------------------------------------------------------
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// Task Description
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// ---------------------------------------------------------------------------
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.agent-card__task {
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margin: 0;
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font-size: 14px;
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line-height: 1.5;
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color: var(--cc-on-surface);
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overflow: hidden;
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text-overflow: ellipsis;
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display: -webkit-box;
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-webkit-line-clamp: 2;
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-webkit-box-orient: vertical;
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}
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// ---------------------------------------------------------------------------
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// Progress Bar
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// ---------------------------------------------------------------------------
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.agent-card__progress {
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display: flex;
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flex-direction: column;
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gap: 4px;
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}
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.agent-card__progress-info {
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display: flex;
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justify-content: flex-end;
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font-size: 12px;
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color: var(--cc-on-surface-variant);
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}
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// Override M3 progress bar track to use status color
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.agent-card__progress .mat-mdc-progress-bar {
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--mdc-linear-progress-active-indicator-color: var(--agent-status-color);
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--mdc-linear-progress-track-color: var(--agent-status-bg);
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}
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// ---------------------------------------------------------------------------
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// Footer Row
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// ---------------------------------------------------------------------------
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.agent-card__footer {
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display: flex;
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align-items: center;
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justify-content: space-between;
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gap: 8px;
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margin-top: auto; // Push footer to bottom
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}
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.agent-card__session {
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font-size: 11px;
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color: var(--cc-on-surface-variant);
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opacity: 0.6;
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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flex: 1;
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min-width: 0;
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}
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// ---------------------------------------------------------------------------
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// Quick-Jump Button — M3 FilledTonalIconButton style
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// Per spec: → Jump button using M3 FilledTonalIconButton
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// ---------------------------------------------------------------------------
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.agent-card__jump {
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// M3 FilledTonal style: secondary container color
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--mdc-icon-button-icon-color: var(--cc-on-surface);
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background-color: var(--cc-surface-container-high);
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border-radius: 50%;
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width: 40px;
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height: 40px;
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flex-shrink: 0;
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// State layer overlay on hover (8% primary)
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&::before {
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content: '';
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position: absolute;
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inset: 0;
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border-radius: 50%;
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background-color: rgba(255, 255, 255, 0.08);
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opacity: 0;
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transition: opacity 150ms ease;
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pointer-events: none;
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}
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&:hover::before {
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opacity: 1;
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}
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// Focus-visible ring
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&:focus-visible {
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outline: 3px solid var(--status-active);
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outline-offset: 2px;
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}
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// Active state
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&:active {
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transform: scale(0.95);
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}
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.mat-icon {
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font-size: 20px;
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width: 20px;
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height: 20px;
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}
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}
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// ---------------------------------------------------------------------------
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// Status-specific card backgrounds (subtle tint)
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// ---------------------------------------------------------------------------
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.agent-card--active {
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background-color: var(--status-active-bg);
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}
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.agent-card--thinking {
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background-color: var(--status-thinking-bg);
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}
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.agent-card--error {
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background-color: var(--status-error-bg);
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}
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// Idle and offline use default surface-container
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// ---------------------------------------------------------------------------
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// Touch-First Targets
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// ---------------------------------------------------------------------------
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// Minimum touch target: 48px (M3 standard)
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.agent-card__jump {
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min-width: 48px;
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min-height: 48px;
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}
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// ---------------------------------------------------------------------------
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// Accessibility: Reduced Motion
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// ---------------------------------------------------------------------------
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@media (prefers-reduced-motion: reduce) {
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.agent-card {
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transition: none;
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}
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.agent-card__jump {
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transition: none;
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&:active {
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transform: none;
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}
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}
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}
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// ---------------------------------------------------------------------------
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// Responsive: Mobile adjustments
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// ---------------------------------------------------------------------------
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@media (max-width: 599px) {
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.agent-card {
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min-width: unset;
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}
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.agent-card__body {
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padding: 16px;
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gap: 8px;
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}
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}
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120
frontend/src/app/components/agent-card/agent-card.component.ts
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120
frontend/src/app/components/agent-card/agent-card.component.ts
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@@ -0,0 +1,120 @@
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// ============================================================================
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// Agent Card Component
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// Per spec Section 7.3: Agent Card Component Interface
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// Section 7.5: Animation Specs
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// ============================================================================
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import { ChangeDetectionStrategy, Component, input, computed } from '@angular/core';
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import { CommonModule } from '@angular/common';
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import { MatIconModule } from '@angular/material/icon';
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import { MatButtonModule } from '@angular/material/button';
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import { MatProgressBarModule } from '@angular/material/progress-bar';
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import { MatTooltipModule } from '@angular/material/tooltip';
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import { AgentStatus } from '../../models/agent.model';
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/**
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* AgentCard displays a single agent's status in the Command Hub grid.
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*
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* Inputs:
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* - status: AgentStatus — current agent status
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* - task: string — current task description
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* - progress: number — task progress percentage (0–100)
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* - sessionKey: string — full session key
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* - channel: string — communication channel (e.g., "telegram")
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* - lastActivity: Date — timestamp of last activity
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*
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* Accessibility:
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* - role="article" on the card element
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* - aria-labels for status badge and interactive elements
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* - focus-visible outlines for keyboard navigation
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*/
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@Component({
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selector: 'app-agent-card',
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standalone: true,
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imports: [
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CommonModule,
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MatIconModule,
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MatButtonModule,
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MatProgressBarModule,
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MatTooltipModule,
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],
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templateUrl: './agent-card.component.html',
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styleUrl: './agent-card.component.scss',
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changeDetection: ChangeDetectionStrategy.OnPush,
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})
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export class AgentCardComponent {
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/** Current agent status */
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readonly status = input.required<AgentStatus>();
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/** Current task description */
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readonly task = input<string>('');
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/** Task progress percentage (0–100) */
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readonly progress = input<number>(0);
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/** Full session key */
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readonly sessionKey = input.required<string>();
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/** Communication channel (e.g., "telegram") */
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readonly channel = input<string>('');
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/** Timestamp of last activity */
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readonly lastActivity = input<Date>(new Date());
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/** Map status to CSS custom property name for dynamic color binding */
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readonly statusColorVar = computed(() => {
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const map: Record<AgentStatus, string> = {
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active: 'var(--status-active)',
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idle: 'var(--status-idle)',
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thinking: 'var(--status-thinking)',
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error: 'var(--status-error)',
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offline: 'var(--status-offline)',
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};
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return map[this.status()];
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});
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/** Map status to background tint CSS variable */
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readonly statusBgVar = computed(() => {
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const map: Record<AgentStatus, string> = {
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active: 'var(--status-active-bg)',
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idle: 'var(--status-idle-bg)',
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thinking: 'var(--status-thinking-bg)',
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error: 'var(--status-error-bg)',
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offline: 'var(--cc-surface-container)',
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};
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return map[this.status()];
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});
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/** Human-readable status label */
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readonly statusLabel = computed(() => {
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const map: Record<AgentStatus, string> = {
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active: 'Active',
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idle: 'Idle',
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thinking: 'Thinking',
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error: 'Error',
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offline: 'Offline',
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};
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return map[this.status()];
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});
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/** CSS class for status dot animation */
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readonly statusDotClass = computed(() => `status-dot--${this.status()}`);
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/** Format last activity as relative time string */
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readonly lastActivityText = computed(() => {
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const now = Date.now();
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const then = this.lastActivity().getTime();
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const diffMs = now - then;
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const diffMin = Math.floor(diffMs / 60000);
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if (diffMin < 1) return 'Just now';
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if (diffMin < 60) return `${diffMin}m ago`;
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const diffHr = Math.floor(diffMin / 60);
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if (diffHr < 24) return `${diffHr}h ago`;
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return `${Math.floor(diffHr / 24)}d ago`;
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});
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/** Whether to show progress bar */
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readonly showProgress = computed(() => {
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const s = this.status();
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return (s === 'active' || s === 'thinking') && this.progress() > 0;
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});
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}
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1
frontend/src/app/components/agent-card/index.ts
Normal file
1
frontend/src/app/components/agent-card/index.ts
Normal file
@@ -0,0 +1 @@
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export { AgentCardComponent } from './agent-card.component';
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@@ -1,26 +1,88 @@
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import { ChangeDetectionStrategy, Component } from '@angular/core';
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import { ChangeDetectionStrategy, Component, signal } from '@angular/core';
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import { AgentCardComponent } from '../../components/agent-card/agent-card.component';
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import { AgentCardData } from '../../models/agent.model';
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@Component({
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selector: 'app-hub-page',
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standalone: true,
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imports: [],
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imports: [AgentCardComponent],
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template: `
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<div class="hub-page">
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<p class="hub-page__placeholder">Command Hub — Fleet status grid will render here</p>
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<div class="hub-page__grid">
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@for (agent of agents(); track agent.id) {
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<app-agent-card
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[status]="agent.status"
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[task]="agent.currentTask ?? ''"
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[progress]="agent.taskProgress ?? 0"
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[sessionKey]="agent.sessionKey"
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[channel]="agent.channel"
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[lastActivity]="agent.lastActivity"
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/>
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}
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||||
</div>
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||||
</div>
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||||
`,
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styles: [`
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||||
.hub-page {
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||||
display: flex;
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||||
align-items: center;
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||||
justify-content: center;
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||||
min-height: 400px;
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||||
padding: var(--cc-section-padding, 24px);
|
||||
}
|
||||
.hub-page__placeholder {
|
||||
color: var(--cc-on-surface-variant);
|
||||
font-size: 16px;
|
||||
|
||||
.hub-page__grid {
|
||||
display: grid;
|
||||
grid-template-columns: repeat(auto-fill, minmax(var(--cc-card-min-width, 320px), 1fr));
|
||||
gap: var(--cc-card-gap, 16px);
|
||||
}
|
||||
`],
|
||||
changeDetection: ChangeDetectionStrategy.OnPush,
|
||||
})
|
||||
export class HubPageComponent {}
|
||||
export class HubPageComponent {
|
||||
/** Demo agents for development — will be replaced by SignalR data */
|
||||
protected readonly agents = signal<AgentCardData[]>([
|
||||
{
|
||||
id: 'otto',
|
||||
displayName: 'Otto',
|
||||
role: 'Orchestrator',
|
||||
status: 'active',
|
||||
currentTask: 'Reviewing PR #42',
|
||||
taskProgress: 65,
|
||||
taskElapsed: '04m 12s',
|
||||
sessionKey: 'agent:otto:telegram:direct:8787451565',
|
||||
channel: 'telegram',
|
||||
lastActivity: new Date(),
|
||||
},
|
||||
{
|
||||
id: 'rex',
|
||||
displayName: 'Rex',
|
||||
role: 'Frontend Specialist',
|
||||
status: 'thinking',
|
||||
currentTask: 'Building AgentCard component',
|
||||
taskProgress: 30,
|
||||
taskElapsed: '02m 45s',
|
||||
sessionKey: 'agent:rex:subagent:0cdbf600',
|
||||
channel: 'telegram',
|
||||
lastActivity: new Date(Date.now() - 120000),
|
||||
},
|
||||
{
|
||||
id: 'dex',
|
||||
displayName: 'Dex',
|
||||
role: 'Backend Engineer',
|
||||
status: 'idle',
|
||||
sessionKey: 'agent:dex:slack:channel:C01234567',
|
||||
channel: 'slack',
|
||||
lastActivity: new Date(Date.now() - 300000),
|
||||
},
|
||||
{
|
||||
id: 'hex',
|
||||
displayName: 'Hex',
|
||||
role: 'Database Architect',
|
||||
status: 'error',
|
||||
currentTask: 'Migration failed — rollback',
|
||||
taskProgress: 0,
|
||||
taskElapsed: '00m 00s',
|
||||
sessionKey: 'agent:hex:slack:channel:C01234568',
|
||||
channel: 'slack',
|
||||
lastActivity: new Date(Date.now() - 1800000),
|
||||
errorMessage: 'Connection timeout',
|
||||
},
|
||||
]);
|
||||
}
|
||||
Reference in New Issue
Block a user