Include failed runs in list_runs output

Failed runs were not showing in UI/CLI because list_runs only
included runs with status "pending" or "running", excluding "failed".

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

app/services/run_service.py

@@ -295,9 +295,9 @@ class RunService:
             if any(r.get("run_id") == run_id for r in completed_runs):
                 continue
 
-            # Get live status
+            # Get live status - include pending, running, and failed runs
             run = await self.get_run(run_id)
-            if run and run.get("status") in ("pending", "running"):
+            if run and run.get("status") in ("pending", "running", "failed"):
                 pending.append(run)
 
         # Combine and sort