{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-01T04:45:53.434926+00:00","duration_seconds":1.497692,"id":1257302,"input_summary":"chars=647 node=683211","metadata":{"llm_candidates":[{"callsign":"KM7GSG","confidence":0.78},{"callsign":"K7PGP","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KM7GSG,K7PGP","recording_id":135083,"started_at":"2026-07-01T04:45:51.937234+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":134351}