debug: add more logging at start of move_task function

dashboard/backend/routers/opc_tasks.py

@@ -198,6 +198,7 @@ async def move_task(
     request: Request,
 ):
     """Move task to a different column"""
+    print(f"[Move] move_task called: task_id={task_id}, new_status={move.status}")
     user: User = request.state.user
     updates = {"status": move.status}
 
@@ -208,6 +209,7 @@ async def move_task(
         raise HTTPException(status_code=404, detail="Task not found")
 
     old_status = current_task["status"]
+    print(f"[Move] Task {task_id}: old_status={old_status}, new_status={move.status}, assigned_to={current_task.get('assigned_to')}")
 
     # Handle automatic time tracking
     if old_status != "in_progress" and move.status == "in_progress":