{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-19T01:36:08.130350+00:00","duration_seconds":0.78936,"id":1845335,"input_summary":"chars=493 node=683211","metadata":{"llm_candidates":[{"callsign":"KM7GYV","confidence":0.78},{"callsign":"KB3JQ","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KM7GYV,KB3JQ","recording_id":175631,"started_at":"2026-07-19T01:36:07.340990+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170836}