{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-11T14:50:16.490620+00:00","duration_seconds":2.380806,"id":1598468,"input_summary":"chars=144 node=683211","metadata":{"llm_candidates":[{"callsign":"WA8HU","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=WA8HU","recording_id":158976,"started_at":"2026-07-11T14:50:14.109814+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":156002}