{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-07T21:54:43.459308+00:00","duration_seconds":0.903,"id":1481560,"input_summary":"chars=504 node=683210","metadata":{"llm_candidates":[{"callsign":"N1CRR","confidence":0.78},{"callsign":"KI7R","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=N1CRR,KI7R","recording_id":150976,"started_at":"2026-07-07T21:54:42.556308+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":148728}