{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-07T02:26:49.692844+00:00","duration_seconds":0.905485,"id":1453062,"input_summary":"chars=543 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"AT7NG","confidence":0.78},{"callsign":"W7TVK","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=AT7NG,W7TVK","recording_id":148966,"started_at":"2026-07-07T02:26:48.787359+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":146919}