{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T02:01:29.521898+00:00","duration_seconds":1.397997,"id":899048,"input_summary":"chars=1336 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK7ZRY","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KK7ZRY","recording_id":42280,"started_at":"2026-06-28T02:01:28.123901+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":42281}