{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-11T19:11:24.854323+00:00","duration_seconds":0.891947,"id":1609485,"input_summary":"chars=312 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"K70E","confidence":0.78},{"callsign":"C7AD","confidence":0.78},{"callsign":"W7CH","confidence":0.78},{"callsign":"K7N","confidence":0.78}]},"output_summary":"ai_candidates=4 merged=4 calls=K70E,C7AD,W7CH,K7N","recording_id":159807,"started_at":"2026-07-11T19:11:23.962376+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":156734}