{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T23:36:03.967769+00:00","duration_seconds":0.604516,"id":878966,"input_summary":"chars=234 node=oldsys","metadata":{"llm_candidates":[{"callsign":"AF4HG","confidence":0.78},{"callsign":"K4IN","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=AF4HG,K4IN","recording_id":43941,"started_at":"2026-06-27T23:36:03.363253+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":43942}