{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T10:16:53.154565+00:00","duration_seconds":1.313113,"id":970603,"input_summary":"chars=832 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KF7ADV","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KF7ADV","recording_id":28866,"started_at":"2026-06-28T10:16:51.841452+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":28867}