Похоже работает

backend/src/core/task_manager/persistence.py

@@ -36,6 +36,7 @@ class TaskPersistenceService:
     # @PRE:     isinstance(task, Task)
     # @POST:    Task record created or updated in database.
     # @PARAM:   task (Task) - The task object to persist.
+    # @SIDE_EFFECT: Writes to task_records table in tasks.db
     def persist_task(self, task: Task) -> None:
         with belief_scope("TaskPersistenceService.persist_task", f"task_id={task.id}"):
             session: Session = TasksSessionLocal()
@@ -50,8 +51,19 @@ class TaskPersistenceService:
                 record.environment_id = task.params.get("environment_id") or task.params.get("source_env_id")
                 record.started_at = task.started_at
                 record.finished_at = task.finished_at
-                record.params = task.params
-                record.result = task.result
+                
+                # Ensure params and result are JSON serializable
+                def json_serializable(obj):
+                    if isinstance(obj, dict):
+                        return {k: json_serializable(v) for k, v in obj.items()}
+                    elif isinstance(obj, list):
+                        return [json_serializable(v) for v in obj]
+                    elif isinstance(obj, datetime):
+                        return obj.isoformat()
+                    return obj
+
+                record.params = json_serializable(task.params)
+                record.result = json_serializable(task.result)
                 
                 # Store logs as JSON, converting datetime to string
                 record.logs = []
@@ -59,6 +71,9 @@ class TaskPersistenceService:
                     log_dict = log.dict()
                     if isinstance(log_dict.get('timestamp'), datetime):
                         log_dict['timestamp'] = log_dict['timestamp'].isoformat()
+                    # Also clean up any datetimes in context
+                    if log_dict.get('context'):
+                        log_dict['context'] = json_serializable(log_dict['context'])
                     record.logs.append(log_dict)
                 
                 # Extract error if failed