{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T13:11:17.392804+00:00","duration_seconds":0.468582,"id":1000188,"input_summary":"chars=42 node=oldsys","metadata":{"llm_candidates":[{"callsign":"K7CEN","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=K7CEN","recording_id":31303,"started_at":"2026-06-28T13:11:16.924222+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":31304}