{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T12:57:32.442134+00:00","duration_seconds":2.572426,"id":221800,"input_summary":"chars=850 node=683211","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0},{"callsign":"K7AD","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=KK7NQN,K7AD","recording_id":106924,"started_at":"2026-06-24T12:57:29.869708+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":106918}