{"sessionId":"sess-aaa","message":{"model":"claude-test","usage":{"input_tokens":100,"output_tokens":50,"cache_creation_input_tokens":20,"cache_read_input_tokens":30}}}
{"sessionId":"sess-aaa","message":{"model":"claude-test","usage":{"input_tokens":200,"output_tokens":80,"cache_creation_input_tokens":0,"cache_read_input_tokens":40}}}
not-json-line-should-be-skipped
{"sessionId":"sess-aaa","message":{"usage":{"input_tokens":0,"output_tokens":0}}}
