Add missing pending_jobs attribute to ClusterMaster

- Initialize self.pending_jobs dict for job monitoring tasks
- Fixes AttributeError when assigning local jobs

vidai/cluster_master.py

@@ -60,6 +60,7 @@ class ClusterMaster:
         self.active_jobs = {}  # type: Dict[str, Dict[str, Any]]  # job_id -> job info
         self.worker_jobs = defaultdict(list)  # type: Dict[str, List[str]]  # worker_key -> [job_ids]
         self.worker_vram_usage = defaultdict(int)  # type: Dict[str, int]  # worker_key -> current VRAM usage in GB
+        self.pending_jobs = {}  # type: Dict[str, asyncio.Task]  # job_id -> monitoring task
 
         # Rate limiting for console messages
         self.last_job_status_print = 0  # Timestamp of last job status message