{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T11:15:26.612612+00:00","duration_seconds":1.028231,"id":980979,"input_summary":"chars=960 node=oldsys","metadata":{"llm_candidates":[{"callsign":"B3XDB","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=4 calls=B3XDB","recording_id":33189,"started_at":"2026-06-28T11:15:25.584381+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":33190}