{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-18T19:50:37.526895+00:00","duration_seconds":2.261619,"id":2690541,"input_summary":"chars=174 node=683210","metadata":{"llm_candidates":[{"callsign":"GM0UUB","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=GM0UUB","recording_id":251361,"started_at":"2026-08-18T19:50:35.265276+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":238681}