{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T15:44:01.268939+00:00","duration_seconds":2.87483,"id":1436326,"input_summary":"chars=782 node=66296","metadata":{"llm_candidates":[{"callsign":"KB7R","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KB7R","recording_id":147781,"started_at":"2026-07-06T15:43:58.394109+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":145881}