{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T04:15:13.511544+00:00","duration_seconds":0.532895,"id":1554672,"input_summary":"chars=941 node=683211","metadata":{"llm_candidates":[{"callsign":"KF7A","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KF7A","recording_id":155977,"started_at":"2026-07-10T04:15:12.978649+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":153247}