{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-09T12:59:29.952075+00:00","duration_seconds":0.58024,"id":1527657,"input_summary":"chars=560 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KC7MP","confidence":0.78},{"callsign":"K7HD","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KC7MP,K7HD","recording_id":154148,"started_at":"2026-07-09T12:59:29.371835+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":151572}