{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T12:42:11.986814+00:00","duration_seconds":0.474317,"id":995603,"input_summary":"chars=682 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KI7Z","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KI7Z","recording_id":25990,"started_at":"2026-06-28T12:42:11.512497+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":25991}