{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T04:05:19.484661+00:00","duration_seconds":1.404094,"id":1644483,"input_summary":"chars=797 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"K7ADV","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K7ADV","recording_id":162172,"started_at":"2026-07-13T04:05:18.080567+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":158931}