=== _log_tool_call decorator ===
45:def _log_tool_call(fn: Callable[..., Awaitable[T]]) -> Callable[..., Awaitable[T]]:
52:        logger.info("tool_call_start", extra={"tool": tool_name})
58:                "tool_call_failed",
68:            "tool_call_ok",
573:@_log_tool_call
656:@_log_tool_call
722:@_log_tool_call
863:@_log_tool_call
938:@_log_tool_call
1089:@_log_tool_call
=== logger usage count ===
6
