Get execution statistics and trends.

Only SUPERADMIN users can access execution statistics.

Query Parameters:

• period: Time period filter (last_day, last_week, last_month, last_year, all)
• group_by: Grouping interval (quarter_hour, hour, day, week, month)
• task_type: Filter by specific task type
• status: Filter by execution status (PENDING, RUNNING, FINISHED, FAILED, CANCELLED)

Example Response: { "data": { "time_series": [ { "timestamp": "2025-08-08T10:00:00Z", "total": 10, "by_status": {"FINISHED": 8, "FAILED": 2}, "by_task": {"productivity": 6, "land-cover": 4} } ], "top_users": [ { "user_id": "123", "email": "user1@example.com", "execution_count": 45, "success_rate": 94.4, "favorite_tasks": ["productivity", "land-cover"] } ], "task_performance": [ { "task": "productivity", "total_executions": 500, "success_rate": 95.0, "avg_duration_minutes": 45.2, "failure_reasons": [] } ] } }

Returns: JSON response with execution statistics