{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T06:22:08.107616+00:00","duration_seconds":3.621728,"id":600189,"input_summary":"chars=1162 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK2BKG","confidence":1.0},{"callsign":"KC2BKG","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=3 calls=KK2BKG,KC2BKG","recording_id":74417,"started_at":"2026-06-27T06:22:04.485888+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":74418}