{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-24T16:39:54.590803+00:00","duration_seconds":2.681649,"id":2824513,"input_summary":"chars=568 node=683210","metadata":{"llm_candidates":[{"callsign":"K4LGI","confidence":0.78},{"callsign":"AI6US","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K4LGI,AI6US","recording_id":265869,"started_at":"2026-08-24T16:39:51.909154+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":251825}