{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T02:31:18.368058+00:00","duration_seconds":1.736828,"id":297841,"input_summary":"chars=640 node=683211","metadata":{"llm_candidates":[{"callsign":"KG4OZW","confidence":1.0},{"callsign":"KX2CW","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=KG4OZW,KX2CW","recording_id":4704,"started_at":"2026-06-25T02:31:16.631230+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":4701}