{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T17:32:19.087192+00:00","duration_seconds":18.651456,"id":1333971,"input_summary":"chars=838 node=683210","metadata":{"llm_candidates":[{"callsign":"WH6HI","confidence":0.78},{"callsign":"K4LG","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=WH6HI,K4LG","recording_id":140795,"started_at":"2026-07-03T17:32:00.435736+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":139456}