{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T12:21:27.341619+00:00","duration_seconds":2.592473,"id":664224,"input_summary":"chars=1107 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KC2PKG","confidence":1.0},{"callsign":"N9OFU","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=3 calls=KC2PKG,N9OFU","recording_id":66879,"started_at":"2026-06-27T12:21:24.749146+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":66880}