feat(dashboard): add React foundation and overview

apps/dashboard/index.html

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+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta name="theme-color" content="#0b1210" />
+    <title>Reddit Bot Console</title>
+  </head>
+  <body>
+    <div id="root"></div>
+    <script type="module" src="/src/main.tsx"></script>
+  </body>
+</html>

apps/dashboard/src/api/client.ts

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+import type { ZodType } from 'zod';
+import {
+  botStatsSchema,
+  controlResponseSchema,
+  timersSchema,
+  type BotStats,
+  type ControlResponse,
+  type Timers,
+} from './contracts.js';
+
+export class ApiError extends Error {
+  constructor(
+    message: string,
+    readonly status: number,
+  ) {
+    super(message);
+    this.name = 'ApiError';
+  }
+}
+
+interface ErrorPayload {
+  error?: unknown;
+}
+
+async function parseResponse<T>(response: Response, schema: ZodType<T>): Promise<T> {
+  const payload: unknown = await response.json();
+  if (!response.ok) {
+    const errorPayload = payload as ErrorPayload;
+    const message = typeof errorPayload.error === 'string' ? errorPayload.error : `Request failed (${response.status})`;
+    throw new ApiError(message, response.status);
+  }
+  return schema.parse(payload);
+}
+
+export interface DashboardApi {
+  getStats(): Promise<BotStats>;
+  getTimers(): Promise<Timers>;
+  setRunning(isRunning: boolean): Promise<ControlResponse>;
+}
+
+export function createDashboardApi(fetchImplementation?: typeof fetch): DashboardApi {
+  function request(input: RequestInfo | URL, init?: RequestInit): Promise<Response> {
+    return (fetchImplementation ?? globalThis.fetch)(input, init);
+  }
+
+  return {
+    async getStats() {
+      return parseResponse(await request('/api/stats'), botStatsSchema);
+    },
+    async getTimers() {
+      return parseResponse(await request('/api/timers'), timersSchema);
+    },
+    async setRunning(isRunning) {
+      const endpoint = isRunning ? '/api/start' : '/api/stop';
+      return parseResponse(await request(endpoint, { method: 'POST' }), controlResponseSchema);
+    },
+  };
+}
+
+export const dashboardApi = createDashboardApi();

apps/dashboard/src/api/contracts.ts

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+import { z } from 'zod';
+
+const activityItemSchema = z.object({
+  timestamp: z.number(),
+  type: z.enum(['sent', 'skipped', 'response', 'error', 'info', 'debug']),
+  message: z.string(),
+  recipient: z.string().optional(),
+  imageUrl: z.string().optional(),
+});
+
+export const botStatsSchema = z.object({
+  isRunning: z.boolean(),
+  dryRunMode: z.boolean(),
+  totalProcessed: z.number(),
+  totalMessagesSent: z.number(),
+  totalResponses: z.number(),
+  responseRate: z.number(),
+  messagesThisHour: z.number(),
+  maxMessagesPerHour: z.number(),
+  subreddits: z.array(z.object({ name: z.string(), type: z.enum(['image', 'chat']) })),
+  targetGenders: z.array(z.string()),
+  recentActivity: z.array(activityItemSchema),
+  invitationCooldown: z
+    .object({
+      until: z.number(),
+      reason: z.string(),
+      redditCode: z.string().nullable(),
+    })
+    .nullable(),
+});
+
+export const timersSchema = z.object({
+  nextMessageAvailableAt: z.number().nullable(),
+  hourlyResetAt: z.number(),
+  isHourlyLimitReached: z.boolean(),
+  messagesRemaining: z.number(),
+});
+
+export const controlResponseSchema = z.object({
+  success: z.literal(true),
+  running: z.boolean(),
+});
+
+export type BotStats = z.infer<typeof botStatsSchema>;
+export type Timers = z.infer<typeof timersSchema>;
+export type ControlResponse = z.infer<typeof controlResponseSchema>;

apps/dashboard/src/api/queries.ts

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+import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query';
+import { dashboardApi } from './client.js';
+import type { BotStats } from './contracts.js';
+
+export const dashboardQueryKeys = {
+  stats: ['dashboard', 'stats'] as const,
+  timers: ['dashboard', 'timers'] as const,
+};
+
+export function useStatsQuery() {
+  return useQuery({ queryKey: dashboardQueryKeys.stats, queryFn: dashboardApi.getStats });
+}
+
+export function useTimersQuery() {
+  return useQuery({ queryKey: dashboardQueryKeys.timers, queryFn: dashboardApi.getTimers });
+}
+
+export function useSetRunningMutation() {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: dashboardApi.setRunning,
+    onSuccess(response) {
+      queryClient.setQueryData<BotStats>(dashboardQueryKeys.stats, (current) =>
+        current ? { ...current, isRunning: response.running } : current,
+      );
+    },
+  });
+}

apps/dashboard/src/app/app-shell.tsx

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+import { useState } from 'react';
+import { NavLink, Outlet } from 'react-router-dom';
+import { navigationItems } from './navigation.js';
+
+export function AppShell() {
+  const [isNavigationOpen, setIsNavigationOpen] = useState(false);
+
+  return (
+    <div className="app-shell">
+      <a className="skip-link" href="#main-content">Skip to content</a>
+      <aside className={isNavigationOpen ? 'sidebar is-open' : 'sidebar'}>
+        <div className="brand">
+          <span className="brand-mark" aria-hidden="true">R</span>
+          <div>
+            <strong>Reddit Bot</strong>
+            <span>Operator console</span>
+          </div>
+        </div>
+        <nav aria-label="Primary navigation" id="primary-navigation">
+          {navigationItems.map((item) => (
+            <NavLink
+              aria-label={item.label}
+              className={({ isActive }) => (isActive ? 'nav-link is-active' : 'nav-link')}
+              end={item.path === '/'}
+              key={item.path}
+              onClick={() => setIsNavigationOpen(false)}
+              to={item.path}
+            >
+              <span>{item.label}</span>
+              <small>{item.description}</small>
+            </NavLink>
+          ))}
+        </nav>
+      </aside>
+      {isNavigationOpen ? (
+        <button
+          aria-label="Close navigation backdrop"
+          className="navigation-backdrop"
+          onClick={() => setIsNavigationOpen(false)}
+          type="button"
+        />
+      ) : null}
+      <div className="workspace">
+        <header className="mobile-header">
+          <span>Reddit Bot</span>
+          <button
+            aria-controls="primary-navigation"
+            aria-expanded={isNavigationOpen}
+            aria-label={isNavigationOpen ? 'Close navigation' : 'Open navigation'}
+            className="icon-button"
+            onClick={() => setIsNavigationOpen((current) => !current)}
+            type="button"
+          >
+            <span aria-hidden="true">{isNavigationOpen ? '×' : '☰'}</span>
+          </button>
+        </header>
+        <main id="main-content" tabIndex={-1}>
+          <Outlet />
+        </main>
+      </div>
+    </div>
+  );
+}

apps/dashboard/src/app/navigation.ts

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+export interface NavigationItem {
+  label: string;
+  path: string;
+  description: string;
+}
+
+export const navigationItems: readonly NavigationItem[] = [
+  { label: 'Overview', path: '/', description: 'System health and current activity' },
+  { label: 'Conversations', path: '/conversations', description: 'Inbox and message history' },
+  { label: 'Media', path: '/media', description: 'Private media and sync controls' },
+  { label: 'Performance', path: '/performance', description: 'Response and strategy trends' },
+  { label: 'Operations', path: '/operations', description: 'Jobs, events, and diagnostics' },
+  { label: 'Settings', path: '/settings', description: 'Runtime and access configuration' },
+];

apps/dashboard/src/app/providers.tsx

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+import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
+import type { PropsWithChildren } from 'react';
+
+const queryClient = new QueryClient({
+  defaultOptions: {
+    queries: {
+      staleTime: 15_000,
+      retry: 1,
+      refetchOnWindowFocus: false,
+    },
+    mutations: { retry: false },
+  },
+});
+
+export function AppProviders({ children }: PropsWithChildren) {
+  return <QueryClientProvider client={queryClient}>{children}</QueryClientProvider>;
+}

apps/dashboard/src/app/router.tsx

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+import { createBrowserRouter, type RouteObject } from 'react-router-dom';
+import { AppShell } from './app-shell.js';
+import { OverviewPage } from '../features/overview/overview-page.js';
+import { PlaceholderPage } from '../features/placeholder-page.js';
+
+export function createDashboardRoutes(): RouteObject[] {
+  return [
+    {
+      path: '/',
+      element: <AppShell />,
+      children: [
+        { index: true, element: <OverviewPage /> },
+        { path: 'conversations', element: <PlaceholderPage title="Conversations" description="Review conversations, drafts, and replies." /> },
+        { path: 'media', element: <PlaceholderPage title="Media" description="Browse private media and monitor syncs." /> },
+        { path: 'performance', element: <PlaceholderPage title="Performance" description="Understand response and strategy performance." /> },
+        { path: 'operations', element: <PlaceholderPage title="Operations" description="Inspect jobs, events, logs, and diagnostics." /> },
+        { path: 'settings', element: <PlaceholderPage title="Settings" description="Manage runtime behavior and Reddit access." /> },
+      ],
+    },
+  ];
+}
+
+export const dashboardRouter = createBrowserRouter(createDashboardRoutes());

apps/dashboard/src/components/confirmation-dialog.tsx

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+import { useEffect, useRef } from 'react';
+
+interface ConfirmationDialogProps {
+  action: 'start' | 'stop';
+  isPending: boolean;
+  onCancel(): void;
+  onConfirm(): void;
+}
+
+export function ConfirmationDialog({ action, isPending, onCancel, onConfirm }: ConfirmationDialogProps) {
+  const cancelButtonRef = useRef<HTMLButtonElement>(null);
+  const isStarting = action === 'start';
+
+  useEffect(() => {
+    cancelButtonRef.current?.focus();
+  }, []);
+
+  return (
+    <div aria-labelledby="confirmation-title" aria-modal="true" className="dialog-backdrop" role="dialog">
+      <div className="dialog-card">
+        <span className="eyebrow">Confirm action</span>
+        <h2 id="confirmation-title">{isStarting ? 'Start bot?' : 'Stop bot?'}</h2>
+        <p>
+          {isStarting
+            ? 'The bot will resume automated processing.'
+            : 'The bot will pause after its current operation.'}
+        </p>
+        <div className="dialog-actions">
+          <button className="button secondary" disabled={isPending} onClick={onCancel} ref={cancelButtonRef} type="button">
+            Cancel
+          </button>
+          <button className={isStarting ? 'button primary' : 'button danger'} disabled={isPending} onClick={onConfirm} type="button">
+            {isPending ? 'Applying…' : `Confirm ${action}`}
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}

apps/dashboard/src/features/overview/overview-page.tsx

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+import { useState } from 'react';
+import { useQueryClient } from '@tanstack/react-query';
+import { dashboardQueryKeys, useSetRunningMutation, useStatsQuery, useTimersQuery } from '../../api/queries.js';
+import type { BotStats, Timers } from '../../api/contracts.js';
+import { ConfirmationDialog } from '../../components/confirmation-dialog.js';
+
+function errorMessage(error: Error | null): string {
+  return error?.message ?? 'Something went wrong.';
+}
+
+function formatTime(timestamp: number): string {
+  return new Intl.DateTimeFormat(undefined, { hour: '2-digit', minute: '2-digit' }).format(timestamp);
+}
+
+function MetricCard({ label, value, detail, metric }: { label: string; value: string | number; detail: string; metric: string }) {
+  return (
+    <article className="metric-card">
+      <span>{label}</span>
+      <strong data-metric={metric}>{value}</strong>
+      <small>{detail}</small>
+    </article>
+  );
+}
+
+function TimersPanel({ timers }: { timers: Timers }) {
+  const isReady = timers.nextMessageAvailableAt === null || timers.nextMessageAvailableAt <= Date.now();
+  return (
+    <section aria-labelledby="timers-heading" className="panel">
+      <div className="panel-heading">
+        <div>
+          <span className="eyebrow">Rate limits</span>
+          <h2 id="timers-heading">Sending window</h2>
+        </div>
+        <span className={isReady ? 'pill success' : 'pill warning'}>{isReady ? 'Ready' : 'Cooling down'}</span>
+      </div>
+      <dl className="definition-list">
+        <div>
+          <dt>Next message</dt>
+          <dd>{isReady ? 'Available now' : formatTime(timers.nextMessageAvailableAt ?? Date.now())}</dd>
+        </div>
+        <div>
+          <dt>Hourly allowance</dt>
+          <dd>{timers.messagesRemaining} messages remaining</dd>
+        </div>
+        <div>
+          <dt>Allowance resets</dt>
+          <dd>{formatTime(timers.hourlyResetAt)}</dd>
+        </div>
+      </dl>
+    </section>
+  );
+}
+
+function ActivityPanel({ stats }: { stats: BotStats }) {
+  return (
+    <section aria-labelledby="activity-heading" className="panel activity-panel">
+      <div className="panel-heading">
+        <div>
+          <span className="eyebrow">Latest signals</span>
+          <h2 id="activity-heading">Recent activity</h2>
+        </div>
+      </div>
+      {stats.recentActivity.length === 0 ? (
+        <div className="empty-state">
+          <strong>No recent activity yet.</strong>
+          <span>New bot events will appear here.</span>
+        </div>
+      ) : (
+        <ol className="activity-list">
+          {stats.recentActivity.map((item) => (
+            <li key={`${item.timestamp}-${item.message}`}>
+              <span className={`activity-marker ${item.type}`} aria-hidden="true" />
+              <div><strong>{item.message}</strong><small>{formatTime(item.timestamp)}</small></div>
+            </li>
+          ))}
+        </ol>
+      )}
+    </section>
+  );
+}
+
+export function OverviewPage() {
+  const queryClient = useQueryClient();
+  const statsQuery = useStatsQuery();
+  const timersQuery = useTimersQuery();
+  const controlMutation = useSetRunningMutation();
+  const [confirmationAction, setConfirmationAction] = useState<'start' | 'stop' | null>(null);
+  const isRefreshing = (statsQuery.isFetching || timersQuery.isFetching) && !statsQuery.isPending;
+
+  async function refreshOverview() {
+    await Promise.all([
+      queryClient.invalidateQueries({ queryKey: dashboardQueryKeys.stats }),
+      queryClient.invalidateQueries({ queryKey: dashboardQueryKeys.timers }),
+    ]);
+  }
+
+  function confirmControl() {
+    if (!confirmationAction) return;
+    controlMutation.mutate(confirmationAction === 'start', {
+      onSuccess: () => setConfirmationAction(null),
+    });
+  }
+
+  if (statsQuery.isPending) {
+    return <div aria-label="Loading overview" className="page-state" role="status"><span className="spinner" />Loading overview…</div>;
+  }
+
+  if (statsQuery.isError) {
+    return (
+      <div className="page-state error-state" role="alert">
+        <strong>Overview unavailable</strong>
+        <span>{errorMessage(statsQuery.error)}</span>
+        <button className="button secondary" onClick={() => void statsQuery.refetch()} type="button">Retry overview</button>
+      </div>
+    );
+  }
+
+  const stats = statsQuery.data;
+  const action = stats.isRunning ? 'stop' : 'start';
+
+  return (
+    <div className="page">
+      <header className="page-header">
+        <div>
+          <span className="eyebrow">Control room</span>
+          <h1>Overview</h1>
+          <p>System health, sending limits, and the signals that need attention.</p>
+        </div>
+        <div className="header-actions">
+          <button
+            aria-label={isRefreshing ? 'Refreshing overview' : 'Refresh overview'}
+            className="button secondary"
+            disabled={isRefreshing}
+            onClick={() => void refreshOverview()}
+            type="button"
+          >
+            {isRefreshing ? 'Refreshing…' : 'Refresh'}
+          </button>
+          <button
+            aria-label={`${action === 'start' ? 'Start' : 'Stop'} bot`}
+            className={action === 'start' ? 'button primary' : 'button danger'}
+            onClick={() => setConfirmationAction(action)}
+            type="button"
+          >
+            {action === 'start' ? 'Start bot' : 'Stop bot'}
+          </button>
+        </div>
+      </header>
+
+      <section aria-label="Bot state" className="status-strip">
+        <div>
+          <span className={`status-dot ${stats.isRunning ? 'running' : 'stopped'}`} aria-hidden="true" />
+          <div><small>Bot status</small><strong data-bot-status>{stats.isRunning ? 'Running' : 'Stopped'}</strong></div>
+        </div>
+        {stats.dryRunMode ? <span className="pill neutral">Dry run</span> : null}
+        <span className="status-note">{stats.messagesThisHour} of {stats.maxMessagesPerHour} messages used this hour</span>
+      </section>
+
+      {stats.invitationCooldown ? (
+        <div className="cooldown-banner" role="status">
+          <strong>Reddit invitation cooldown</strong>
+          <span>{stats.invitationCooldown.reason}</span>
+        </div>
+      ) : null}
+
+      <section aria-label="Key metrics" className="metrics-grid">
+        <MetricCard detail="All recorded sends" label="Messages sent" metric="messages-sent" value={stats.totalMessagesSent} />
+        <MetricCard detail={`${stats.responseRate}% response rate`} label="Responses" metric="responses" value={stats.totalResponses} />
+        <MetricCard detail="Posts evaluated" label="Processed" metric="processed" value={stats.totalProcessed} />
+        <MetricCard detail={`Limit ${stats.maxMessagesPerHour}`} label="This hour" metric="messages-hour" value={stats.messagesThisHour} />
+      </section>
+
+      <div className="overview-grid">
+        {timersQuery.isPending ? (
+          <section aria-label="Loading timers" className="panel panel-loading" role="status"><span className="spinner" />Loading sending window…</section>
+        ) : timersQuery.isError ? (
+          <section className="panel error-panel" role="alert">
+            <strong>Sending window unavailable</strong>
+            <span>{errorMessage(timersQuery.error)}</span>
+            <button className="button secondary" onClick={() => void timersQuery.refetch()} type="button">Retry timers</button>
+          </section>
+        ) : (
+          <TimersPanel timers={timersQuery.data} />
+        )}
+        <ActivityPanel stats={stats} />
+      </div>
+
+      {controlMutation.isError ? <div className="toast error" role="alert">{errorMessage(controlMutation.error)}</div> : null}
+      {confirmationAction ? (
+        <ConfirmationDialog
+          action={confirmationAction}
+          isPending={controlMutation.isPending}
+          onCancel={() => setConfirmationAction(null)}
+          onConfirm={confirmControl}
+        />
+      ) : null}
+    </div>
+  );
+}

apps/dashboard/src/features/placeholder-page.tsx

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+interface PlaceholderPageProps {
+  title: string;
+  description: string;
+}
+
+export function PlaceholderPage({ title, description }: PlaceholderPageProps) {
+  return (
+    <div className="page">
+      <header className="page-header">
+        <div><span className="eyebrow">Workspace</span><h1>{title}</h1><p>{description}</p></div>
+      </header>
+      <section className="panel empty-state"><strong>{title} workspace</strong><span>This route is ready for its feature module.</span></section>
+    </div>
+  );
+}

apps/dashboard/src/main.tsx

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+import { StrictMode } from 'react';
+import { createRoot } from 'react-dom/client';
+import { RouterProvider } from 'react-router-dom';
+import { AppProviders } from './app/providers.js';
+import { dashboardRouter } from './app/router.js';
+import './styles.css';
+
+const rootElement = document.getElementById('root');
+if (!rootElement) throw new Error('Dashboard root element is missing');
+
+createRoot(rootElement).render(
+  <StrictMode>
+    <AppProviders>
+      <RouterProvider router={dashboardRouter} />
+    </AppProviders>
+  </StrictMode>,
+);

apps/dashboard/src/styles.css

@@ -0,0 +1,113 @@
+:root {
+  color: #e9f1ec;
+  background: #09110e;
+  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
+  font-synthesis: none;
+  text-rendering: optimizeLegibility;
+  --surface: #101a16;
+  --surface-raised: #17231e;
+  --border: #2a3a33;
+  --muted: #9aaca3;
+  --accent: #75d69d;
+  --accent-dark: #153c28;
+  --danger: #ff8a84;
+  --warning: #f3c76b;
+}
+
+* { box-sizing: border-box; }
+body { margin: 0; min-width: 320px; min-height: 100vh; }
+button, input { font: inherit; }
+button { cursor: pointer; }
+button:disabled { cursor: wait; opacity: .6; }
+a { color: inherit; }
+
+.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; background: white; color: black; padding: .75rem 1rem; border-radius: .5rem; }
+.skip-link:focus { top: 1rem; }
+.app-shell { min-height: 100vh; }
+.sidebar { position: fixed; inset: 0 auto 0 0; z-index: 30; width: 17.5rem; padding: 1.5rem 1rem; visibility: hidden; background: #0c1511; border-right: 1px solid var(--border); transform: translateX(-100%); transition: transform 180ms ease, visibility 180ms; }
+.sidebar.is-open { visibility: visible; transform: translateX(0); }
+.brand { display: flex; align-items: center; gap: .75rem; padding: 0 .5rem 1.75rem; }
+.brand-mark { display: grid; place-items: center; width: 2.4rem; height: 2.4rem; border-radius: .75rem; color: #07130c; background: var(--accent); font-weight: 900; }
+.brand div { display: grid; gap: .1rem; }
+.brand span:last-child, .brand div span { color: var(--muted); font-size: .75rem; }
+nav { display: grid; gap: .35rem; }
+.nav-link { display: grid; gap: .2rem; padding: .8rem .75rem; color: var(--muted); text-decoration: none; border-radius: .75rem; border: 1px solid transparent; }
+.nav-link span { color: #dfe9e3; font-weight: 650; }
+.nav-link small { font-size: .72rem; line-height: 1.3; }
+.nav-link:hover { background: var(--surface); }
+.nav-link.is-active { background: var(--accent-dark); border-color: #28593d; }
+.nav-link.is-active span { color: #b8f1cd; }
+.navigation-backdrop { position: fixed; inset: 0; z-index: 20; width: 100%; border: 0; background: rgba(0, 0, 0, .6); }
+.workspace { min-height: 100vh; }
+.mobile-header { position: sticky; top: 0; z-index: 15; display: flex; align-items: center; justify-content: space-between; height: 4rem; padding: 0 1rem; background: rgba(9, 17, 14, .92); border-bottom: 1px solid var(--border); backdrop-filter: blur(12px); font-weight: 700; }
+.icon-button { width: 2.5rem; height: 2.5rem; border: 1px solid var(--border); border-radius: .6rem; color: white; background: var(--surface); font-size: 1.25rem; }
+main { min-height: calc(100vh - 4rem); }
+.page { width: min(78rem, 100%); margin: 0 auto; padding: 1.5rem 1rem 4rem; }
+.page-header { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1.5rem; margin-bottom: 1.5rem; }
+h1, h2, p { margin-top: 0; }
+h1 { margin-bottom: .4rem; font-size: clamp(2rem, 4vw, 3rem); line-height: 1; letter-spacing: -.045em; }
+h2 { margin-bottom: 0; font-size: 1.1rem; }
+.page-header p { max-width: 42rem; margin-bottom: 0; color: var(--muted); }
+.eyebrow { display: block; margin-bottom: .45rem; color: var(--accent); font-size: .72rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
+.header-actions, .dialog-actions { display: flex; gap: .75rem; }
+.button { min-height: 2.6rem; padding: .55rem .9rem; border-radius: .65rem; border: 1px solid transparent; color: white; font-weight: 700; }
+.button.primary { color: #06140b; background: var(--accent); }
+.button.secondary { border-color: var(--border); background: var(--surface-raised); }
+.button.danger { color: #2d0907; background: var(--danger); }
+.status-strip { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; padding: 1rem; margin-bottom: 1rem; background: linear-gradient(110deg, #13221b, #0f1915); border: 1px solid var(--border); border-radius: .9rem; }
+.status-strip > div { display: flex; align-items: center; gap: .75rem; }
+.status-strip > div div { display: grid; }
+.status-strip small { color: var(--muted); }
+.status-dot { width: .7rem; height: .7rem; border-radius: 50%; }
+.status-dot.running { background: var(--accent); box-shadow: 0 0 0 .35rem rgba(117, 214, 157, .12); }
+.status-dot.stopped { background: var(--danger); box-shadow: 0 0 0 .35rem rgba(255, 138, 132, .1); }
+.pill { display: inline-flex; align-items: center; padding: .3rem .55rem; border-radius: 999px; font-size: .75rem; font-weight: 800; }
+.pill.neutral { color: #d4dfda; background: #2b3832; }
+.pill.success { color: #aaf0c4; background: #163a26; }
+.pill.warning { color: #ffe1a0; background: #42351b; }
+.status-note { margin-left: auto; color: var(--muted); font-size: .85rem; }
+.cooldown-banner { display: grid; gap: .25rem; padding: .9rem 1rem; margin-bottom: 1rem; color: #ffe1a0; background: #2a2111; border: 1px solid #59451e; border-radius: .8rem; }
+.cooldown-banner span { font-size: .85rem; }
+.metrics-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; margin-bottom: .75rem; }
+.metric-card, .panel { background: var(--surface); border: 1px solid var(--border); border-radius: .9rem; }
+.metric-card { display: grid; gap: .3rem; padding: 1rem; }
+.metric-card > span, .metric-card small { color: var(--muted); }
+.metric-card strong { font-size: 1.75rem; letter-spacing: -.04em; }
+.overview-grid { display: grid; gap: .75rem; }
+.panel { padding: 1rem; }
+.panel-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
+.definition-list { display: grid; gap: .75rem; margin: 0; }
+.definition-list > div { display: flex; justify-content: space-between; gap: 1rem; padding-top: .75rem; border-top: 1px solid var(--border); }
+.definition-list dt { color: var(--muted); }
+.definition-list dd { margin: 0; text-align: right; font-weight: 700; }
+.empty-state { display: grid; place-items: center; gap: .4rem; min-height: 10rem; text-align: center; color: var(--muted); }
+.empty-state strong { color: #e9f1ec; }
+.activity-list { display: grid; gap: .75rem; padding: 0; margin: 0; list-style: none; }
+.activity-list li { display: flex; align-items: flex-start; gap: .75rem; }
+.activity-list li div { display: grid; gap: .15rem; }
+.activity-list small { color: var(--muted); }
+.activity-marker { flex: 0 0 auto; width: .55rem; height: .55rem; margin-top: .3rem; border-radius: 50%; background: var(--muted); }
+.activity-marker.sent, .activity-marker.response { background: var(--accent); }
+.activity-marker.error { background: var(--danger); }
+.page-state { display: grid; place-items: center; align-content: center; gap: 1rem; min-height: 60vh; color: var(--muted); }
+.error-state strong, .error-panel strong { color: var(--danger); }
+.error-panel, .panel-loading { display: grid; place-items: center; align-content: center; gap: .75rem; min-height: 14rem; text-align: center; color: var(--muted); }
+.spinner { width: 1.4rem; height: 1.4rem; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; }
+@keyframes spin { to { transform: rotate(360deg); } }
+.dialog-backdrop { position: fixed; inset: 0; z-index: 60; display: grid; place-items: center; padding: 1rem; background: rgba(0, 0, 0, .72); }
+.dialog-card { width: min(28rem, 100%); padding: 1.4rem; background: var(--surface-raised); border: 1px solid var(--border); border-radius: 1rem; box-shadow: 0 2rem 5rem rgba(0, 0, 0, .4); }
+.dialog-card p { color: var(--muted); }
+.dialog-actions { justify-content: flex-end; margin-top: 1.5rem; }
+.toast { position: fixed; right: 1rem; bottom: 1rem; max-width: 25rem; padding: .8rem 1rem; border-radius: .7rem; }
+.toast.error { color: #ffd1ce; background: #461b18; border: 1px solid #80352f; }
+
+@media (min-width: 48rem) {
+  .sidebar { visibility: visible; transform: none; }
+  .workspace { margin-left: 17.5rem; }
+  .mobile-header { display: none; }
+  main { min-height: 100vh; }
+  .page { padding: 3rem 2rem 5rem; }
+  .navigation-backdrop { display: none; }
+  .metrics-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
+  .overview-grid { grid-template-columns: minmax(18rem, .8fr) minmax(22rem, 1.2fr); }
+}

apps/dashboard/tsconfig.json

@@ -0,0 +1,21 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "useDefineForClassFields": true,
+    "lib": ["ES2022", "DOM", "DOM.Iterable"],
+    "allowJs": false,
+    "skipLibCheck": true,
+    "esModuleInterop": true,
+    "allowSyntheticDefaultImports": true,
+    "strict": true,
+    "forceConsistentCasingInFileNames": true,
+    "module": "ESNext",
+    "moduleResolution": "Bundler",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "noEmit": true,
+    "jsx": "react-jsx",
+    "types": ["vite/client"]
+  },
+  "include": ["src", "vite.config.ts"]
+}

apps/dashboard/vite.config.ts

@@ -0,0 +1,17 @@
+import { defineConfig } from 'vite';
+import react from '@vitejs/plugin-react';
+import { fileURLToPath } from 'node:url';
+
+export default defineConfig({
+  root: fileURLToPath(new URL('.', import.meta.url)),
+  plugins: [react()],
+  build: {
+    outDir: '../../dist-dashboard',
+    emptyOutDir: true,
+  },
+  server: {
+    proxy: {
+      '/api': 'http://localhost:3000',
+    },
+  },
+});