{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-19T01:31:34.235793+00:00","duration_seconds":1.968071,"id":1845173,"input_summary":"chars=264 node=683211","metadata":{"llm_candidates":[{"callsign":"VH3RWJ","confidence":0.78},{"callsign":"VH3WZ","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=7 calls=VH3RWJ,VH3WZ","recording_id":175622,"started_at":"2026-07-19T01:31:32.267722+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170827}