{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T12:22:38.857465+00:00","duration_seconds":2.243805,"id":1559691,"input_summary":"chars=142 node=683210","metadata":{"llm_candidates":[{"callsign":"KQ4UJ","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=3 calls=KQ4UJ","recording_id":156300,"started_at":"2026-07-10T12:22:36.613660+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":153559}