{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-07T20:06:28.119362+00:00","duration_seconds":0.793008,"id":1479215,"input_summary":"chars=751 node=683210","metadata":{"llm_candidates":[{"callsign":"K7PJP","confidence":0.78},{"callsign":"KK7I","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K7PJP,KK7I","recording_id":150836,"started_at":"2026-07-07T20:06:27.326354+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":148605}