Return aggregated fleet metrics for the authenticated organization.
Computes instance counts, error rate, average token usage, and task status distribution from current database state.
Returns: Fleet vitals with instance and task metrics.
Successful Response
Aggregated fleet metrics computed on read from current database state.
Attributes: active_instances: Count of instances in starting, running, or waiting status. error_rate: Fraction of instances in error status over the last 24 hours. avg_turn_count: Average LLM turns across active instances. avg_tokens_total: Average total tokens across active instances. tasks_by_status: Task counts grouped by status. instances_by_type: Instance counts grouped by agent type ID.