{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T02:30:18.334594+00:00","duration_seconds":1.640628,"id":902809,"input_summary":"chars=586 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KI7TKL","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KI7TKL","recording_id":41763,"started_at":"2026-06-28T02:30:16.693966+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":41764}