{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T11:15:50.272370+00:00","duration_seconds":0.714087,"id":981053,"input_summary":"chars=126 node=oldsys","metadata":{"llm_candidates":[{"callsign":"GM0UUB","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=GM0UUB","recording_id":27618,"started_at":"2026-06-28T11:15:49.558283+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":27619}