Increase L2 publish timeout to 30 seconds

L2 needs to call back to L1 to fetch run details, which can take
longer than 10 seconds especially with network latency.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

server.py

@@ -1336,12 +1336,13 @@ async def ui_publish_run(run_id: str, request: Request, output_name: str = Form(
         return HTMLResponse('<div class="error">Not logged in</div>')
 
     # Call L2 to publish the run, including this L1's public URL
+    # Longer timeout because L2 calls back to L1 to fetch run details
     try:
         resp = http_requests.post(
             f"{L2_SERVER}/registry/record-run",
             json={"run_id": run_id, "output_name": output_name, "l1_server": L1_PUBLIC_URL},
             headers={"Authorization": f"Bearer {token}"},
-            timeout=10
+            timeout=30
         )
         if resp.status_code == 400:
             error = resp.json().get("detail", "Bad request")