Add timing to L1 request for debugging

Log how long requests.get() actually takes to identify network delays.

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

server.py

@@ -1788,9 +1788,12 @@ async def record_run(req: RecordRunRequest, user: User = Depends(get_required_us
 
     # Helper to fetch from L1 without blocking event loop
     def fetch_l1_run():
+        import time as _time
         url = f"{l1_url}/runs/{req.run_id}"
         logger.info(f"record_run: Fetching run from L1: {url}")
+        t0 = _time.time()
         resp = requests.get(url, timeout=30)
+        logger.info(f"record_run: L1 request took {_time.time()-t0:.3f}s, status={resp.status_code}")
         if resp.status_code == 404:
             raise ValueError(f"Run not found on L1: {req.run_id}")
         resp.raise_for_status()