{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-02T20:48:05.815722+00:00","duration_seconds":0.523421,"id":1307457,"input_summary":"chars=964 node=66296","metadata":{"llm_candidates":[{"callsign":"KF7A","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KF7A","recording_id":138848,"started_at":"2026-07-02T20:48:05.292301+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":137697}