{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T12:57:33.131131+00:00","duration_seconds":7.323448,"id":1790134,"input_summary":"chars=692 node=683211","metadata":{"llm_candidates":[{"callsign":"KC2PKG","confidence":0.78},{"callsign":"AB0MAI","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KC2PKG,AB0MAI","recording_id":171755,"started_at":"2026-07-17T12:57:25.807683+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":167404}