{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T02:58:52.403404+00:00","duration_seconds":3.558037,"id":580820,"input_summary":"chars=1186 node=oldsys","metadata":{"llm_candidates":[{"callsign":"K40E9","confidence":1.0},{"callsign":"K30E9","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=4 calls=K40E9,K30E9","recording_id":83682,"started_at":"2026-06-27T02:58:48.845367+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":83683}