{"event":"session","id":"pi-modern-1","workspace":"/tmp/kaizen-modern","model":"pi-agent","timestamp_ms":1780000010000}
{"type":"tool_call","tool":"search","tool_call_id":"pi-call-1","timestamp":1780000011,"usage":{"input_tokens":12,"output_tokens":3}}
{"type":"tool_result","tool_call_id":"pi-call-1","timestamp":1780000012,"result":"ok"}
not-json
