{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-29T12:20:41.875644+00:00","duration_seconds":1.527047,"id":1196147,"input_summary":"chars=61 node=683211","metadata":{"llm_candidates":[{"callsign":"W2A","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=W2A","recording_id":130492,"started_at":"2026-06-29T12:20:40.348597+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":130232}