{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T20:45:57.741304+00:00","duration_seconds":0.608186,"id":853783,"input_summary":"chars=261 node=oldsys","metadata":{"llm_candidates":[{"callsign":"AF5SO","confidence":0.78},{"callsign":"AF5SI","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=AF5SO,AF5SI","recording_id":51126,"started_at":"2026-06-27T20:45:57.133118+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":51127}