feat: real-time live data integration

- lib/live-data.ts: Shared TypeScript client for blackroad-live-data Worker
- components/live-stats.tsx: LiveStatsBar, RecentRepos, AgentStatusGrid components
- app/page.tsx: Import LiveStatsBar in main page header

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

app/api/health/route.ts

@@ -0,0 +1,21 @@
+import { NextResponse } from 'next/server';
+
+export const runtime = 'edge';
+
+export async function GET() {
+  const health = {
+    status: 'healthy',
+    service: 'blackroad-os-web',
+    version: process.env.npm_package_version || '0.1.0',
+    timestamp: new Date().toISOString(),
+    uptime: process.uptime ? process.uptime() : null,
+    environment: process.env.NODE_ENV || 'development',
+  };
+
+  return NextResponse.json(health, {
+    status: 200,
+    headers: {
+      'Cache-Control': 'no-cache, no-store, must-revalidate',
+    },
+  });
+}