{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-05T03:06:59.484079+00:00","duration_seconds":2.144035,"id":1388386,"input_summary":"chars=290 node=683211","metadata":{"llm_candidates":[{"callsign":"A3KEX","confidence":0.78},{"callsign":"A3X","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=A3KEX,A3X","recording_id":144556,"started_at":"2026-07-05T03:06:57.340044+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":142891}