{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T18:39:46.665327+00:00","duration_seconds":1.863697,"id":1803549,"input_summary":"chars=518 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KG7LA","confidence":0.78},{"callsign":"WB3AB","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KG7LA,WB3AB","recording_id":172734,"started_at":"2026-07-17T18:39:44.801630+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":168263}