fix: structure_daily_tasks_tool docstring args description

app.py

@@ -14,9 +14,9 @@ def structure_daily_tasks_tool(tasks: list[str], start_time: str, end_time: str)
     Structure daily tasks within a given time frame.
 
     Args:
-        tasks (list[str]): A list of tasks to be scheduled.
-        start_time (str): The start time in the format "HH:MM".
-        end_time (str): The end time in the format "HH:MM".
+        tasks: A list of tasks to be scheduled.
+        start_time: The start time in the format "HH:MM".
+        end_time: The end time in the format "HH:MM".
 
     Returns:
         str: A string representing the schedule of tasks with start and end times.