chore(box): snapshot in-progress auth + user-learning WIP before deploy

Captures uncommitted work present on the live droplet so origin/main can be integrated and the new control toolbar deployed. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

.env.example

@@ -26,6 +26,7 @@ VOYAGE_EMBEDDING_MODEL=voyage-4-lite
 # --- Backend server ---
 PORT=8787
 POD_ROOM=demo-pod
+CLERK_SECRET_KEY=
 
 # --- Nudge cooldown (ms) — set to 0 during demo if needed ---
 NUDGE_COOLDOWN_MS=180000
@@ -34,6 +35,7 @@ RESEARCH_OVERLAP_THRESHOLD=0.6
 # --- Frontend (Vite — must be VITE_ prefixed to reach the client) ---
 VITE_LIVEKIT_URL=wss://your-project.livekit.cloud
 VITE_BACKEND_URL=http://localhost:8787
+VITE_CLERK_PUBLISHABLE_KEY=
 # Keep off by default so users hear Gemini audio delivered through LiveKit.
 VITE_ENABLE_BROWSER_TTS_FALLBACK=false