{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T23:36:43.747362+00:00","duration_seconds":1.197222,"id":879081,"input_summary":"chars=228 node=683210","metadata":{"llm_candidates":[{"callsign":"KY4BC","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KY4BC","recording_id":127485,"started_at":"2026-06-27T23:36:42.550140+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":127452}