{
  "environment": {
    "python": "3.14.7",
    "platform": "macOS-26.5.1-arm64-arm-64bit-Mach-O",
    "git_revision": "689be3a-dirty"
  },
  "fault_injection": {
    "passed": 5,
    "total": 5,
    "scenarios": {
      "malformed_output": {
        "passed": true,
        "error_count": 1,
        "trace_events": [
          "output_validation_failed"
        ]
      },
      "timeout": {
        "passed": true,
        "attempts": 2,
        "trace_events": [
          "operation_attempt",
          "operation_failure",
          "retry_scheduled",
          "operation_attempt",
          "operation_success"
        ]
      },
      "http_429": {
        "passed": true,
        "attempts": 2,
        "trace_events": [
          "operation_attempt",
          "operation_failure",
          "retry_scheduled",
          "operation_attempt",
          "operation_success"
        ]
      },
      "agent_cycle": {
        "passed": true,
        "cycle_errors_traced": 1,
        "parent_result": "cycle handled",
        "trace_events": [
          "started",
          "run_config",
          "transition",
          "llm_response",
          "transition",
          "tool_call",
          "sub_agent_start",
          "started",
          "run_config",
          "transition",
          "llm_response",
          "transition",
          "tool_call",
          "sub_agent_start",
          "error",
          "run_metrics",
          "done",
          "sub_agent_end",
          "tool_result",
          "transition",
          "llm_response",
          "agent_text",
          "transition",
          "run_metrics",
          "done"
        ]
      },
      "tool_call_limit": {
        "passed": true,
        "completed_tool_calls": 1,
        "returned_error": "exceeded 1 tool calls \u2014 possible loop",
        "trace_events": [
          "started",
          "run_config",
          "transition",
          "llm_response",
          "transition",
          "tool_call",
          "tool_result",
          "guardrail_triggered",
          "error",
          "run_metrics",
          "done"
        ]
      }
    }
  },
  "instrumentation_overhead": {
    "method": "median per-event time over paired callback and EventRecorder loops",
    "iterations_per_repeat": 250000,
    "repeats": 9,
    "direct_callback_ns_per_event": 32.7,
    "record_and_forward_ns_per_event": 148.0,
    "incremental_overhead_ns_per_event": 115.3,
    "incremental_overhead_us_per_1000_events": 115.3
  }
}