EventName:
| "session_start"
| "session_end"
| "input"
| "user_bash"
| "before_agent_start"
| "agent_start"
| "agent_end"
| "session_before_compact"
| "session_before_switch"
| "session_before_fork"
| "session_shutdown"
| "turn_start"
| "turn_end"
| "idle"
| "message"
| "before_request"
| "tool_call"
| "tool_start"
| "tool_end"
| "model_select"
| "usage"
| "reasoning"
| "error"
| "compact"
| "context"
| "before_provider_request"
| "after_provider_response"