feat(web): React SPA with realtime task detail over WebSocket

Vite + React 19 + TS console-style operator UI: hash-routed Login,
Endpoints, Tasks, and TaskDetail (realtime accounts table over /ws,
Run gated on all accounts testing ok on both sides).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01MMHQTtnQtQqL8muAXHr9kd

web/src/components/StatusBadge.tsx

@@ -0,0 +1,13 @@
+export function StatusBadge({ status }: { status: string }) {
+  const s = (status || 'pending').toLowerCase()
+  let cls = 'badge-pending'
+  if (s === 'ok' || s === 'done' || s === 'success') cls = 'badge-ok'
+  else if (s === 'fail' || s === 'failed' || s === 'error') cls = 'badge-fail'
+  else if (s === 'running' || s === 'testing' || s === 'in_progress') cls = 'badge-info'
+  return (
+    <span className={`badge ${cls}`}>
+      <span className="dot" />
+      {s}
+    </span>
+  )
+}