{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-16T19:30:20.490507+00:00","duration_seconds":2.404155,"id":1758903,"input_summary":"chars=801 node=66296","metadata":{"llm_candidates":[{"callsign":"N7CVN","confidence":0.78},{"callsign":"W7H","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=N7CVN,W7H","recording_id":169750,"started_at":"2026-07-16T19:30:18.086352+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":165574}