{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-07T17:29:08.032795+00:00","duration_seconds":0.551142,"id":1473731,"input_summary":"chars=464 node=683210","metadata":{"llm_candidates":[{"callsign":"W9J","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=W9J","recording_id":150463,"started_at":"2026-07-07T17:29:07.481653+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":148250}