{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T19:23:49.500893+00:00","duration_seconds":1.64805,"id":541928,"input_summary":"chars=252 node=oldsys","metadata":{"llm_candidates":[{"callsign":"N9OFU","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=1 calls=N9OFU","recording_id":79780,"started_at":"2026-06-26T19:23:47.852843+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":79781}