{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T17:48:20.749994+00:00","duration_seconds":2.387599,"id":1628272,"input_summary":"chars=383 node=683210","metadata":{"llm_candidates":[{"callsign":"V4NQ","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=V4NQ","recording_id":161006,"started_at":"2026-07-12T17:48:18.362395+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":157846}