{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T02:36:44.610424+00:00","duration_seconds":0.477128,"id":1821028,"input_summary":"chars=349 node=683210","metadata":{"llm_candidates":[{"callsign":"KJ5FOX","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KJ5FOX","recording_id":173904,"started_at":"2026-07-18T02:36:44.133296+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169356}