{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-11T20:14:58.583522+00:00","duration_seconds":1.860452,"id":1612344,"input_summary":"chars=668 node=683211","metadata":{"llm_candidates":[{"callsign":"W4D","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=W4D","recording_id":160020,"started_at":"2026-07-11T20:14:56.723070+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":156936}