{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-04T14:51:19.301675+00:00","duration_seconds":1.813288,"id":1363522,"input_summary":"chars=833 node=683211","metadata":{"llm_candidates":[{"callsign":"KP7J","confidence":0.78},{"callsign":"KK7D","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KP7J,KK7D","recording_id":142837,"started_at":"2026-07-04T14:51:17.488387+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":141297}