{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-04T20:07:06.018435+00:00","duration_seconds":1.461065,"id":1376531,"input_summary":"chars=557 node=66296","metadata":{"llm_candidates":[{"callsign":"AF7AZV","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=AF7AZV","recording_id":143755,"started_at":"2026-07-04T20:07:04.557370+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":142144}