{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-04T22:11:47.674581+00:00","duration_seconds":2.445114,"id":1380663,"input_summary":"chars=706 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"WB3APN","confidence":0.78},{"callsign":"WA7K","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=WB3APN,WA7K","recording_id":144004,"started_at":"2026-07-04T22:11:45.229467+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":142381}