{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-21T12:15:50.349954+00:00","duration_seconds":1.77129,"id":2749765,"input_summary":"chars=624 node=683210","metadata":{"llm_candidates":[{"callsign":"W4AEB","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=W4AEB","recording_id":257608,"started_at":"2026-08-21T12:15:48.578664+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":244354}