{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T19:12:51.044116+00:00","duration_seconds":1.576957,"id":1050892,"input_summary":"chars=300 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KJ7WQI","confidence":0.78},{"callsign":"KV7RYY","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KJ7WQI,KV7RYY","recording_id":25917,"started_at":"2026-06-28T19:12:49.467159+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":25918}