Fix inputs parsing in runs list

- Parse inputs JSON string to list in list_runs_by_actor
- Add status field to completed runs
- Prevents "136 files" display when inputs is a string

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

database.py

@@ -1151,6 +1151,23 @@ async def get_run_by_output(output_hash: str) -> Optional[dict]:
         return None
 
 
+def _parse_inputs(inputs_value):
+    """Parse inputs from database - may be JSON string, list, or None."""
+    if inputs_value is None:
+        return []
+    if isinstance(inputs_value, list):
+        return inputs_value
+    if isinstance(inputs_value, str):
+        try:
+            parsed = json.loads(inputs_value)
+            if isinstance(parsed, list):
+                return parsed
+            return []
+        except (json.JSONDecodeError, TypeError):
+            return []
+    return []
+
+
 async def list_runs_by_actor(actor_id: str, offset: int = 0, limit: int = 20) -> List[dict]:
     """List completed runs for a user, ordered by creation time (newest first)."""
     async with pool.acquire() as conn:
@@ -1171,9 +1188,10 @@ async def list_runs_by_actor(actor_id: str, offset: int = 0, limit: int = 20) ->
                 "ipfs_cid": row["ipfs_cid"],
                 "provenance_cid": row["provenance_cid"],
                 "recipe": row["recipe"],
-                "inputs": row["inputs"],
+                "inputs": _parse_inputs(row["inputs"]),
                 "actor_id": row["actor_id"],
                 "created_at": row["created_at"].isoformat() if row["created_at"] else None,
+                "status": "completed",
             }
             for row in rows
         ]