{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T18:13:54.692679+00:00","duration_seconds":0.797673,"id":1043530,"input_summary":"chars=1704 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KI7RMU","confidence":0.78},{"callsign":"KB9IQX","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KI7RMU,KB9IQX","recording_id":26601,"started_at":"2026-06-28T18:13:53.895006+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":26602}