{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-08T02:53:20.131534+00:00","duration_seconds":3.454981,"id":1489994,"input_summary":"chars=764 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"E3AB","confidence":0.78},{"callsign":"W3AB","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=5 calls=E3AB,W3AB","recording_id":151581,"started_at":"2026-07-08T02:53:16.676553+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":149262}