{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T00:19:50.581794+00:00","duration_seconds":3.694249,"id":1636200,"input_summary":"chars=393 node=683211","metadata":{"llm_candidates":[{"callsign":"KR4H","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KR4H","recording_id":161512,"started_at":"2026-07-13T00:19:46.887545+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":158319}