{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T10:48:55.111011+00:00","duration_seconds":6.692975,"id":1652226,"input_summary":"chars=616 node=683211","metadata":{"llm_candidates":[{"callsign":"W4A","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=W4A","recording_id":162566,"started_at":"2026-07-13T10:48:48.418036+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":159320}