{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-09T11:44:37.156450+00:00","duration_seconds":4.650347,"id":1524950,"input_summary":"chars=737 node=683210","metadata":{"llm_candidates":[{"callsign":"KK7DUI","confidence":0.78},{"callsign":"KO4QMM","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=KK7DUI,KO4QMM","recording_id":153957,"started_at":"2026-07-09T11:44:32.506103+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":151385}