{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-08T17:50:37.899453+00:00","duration_seconds":0.469784,"id":1510704,"input_summary":"chars=144 node=683210","metadata":{"llm_candidates":[{"callsign":"WL7LP","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=WL7LP","recording_id":153027,"started_at":"2026-07-08T17:50:37.429669+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":150535}