{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T15:39:58.403281+00:00","duration_seconds":0.8403,"id":1022271,"input_summary":"chars=778 node=oldsys","metadata":{"llm_candidates":[{"callsign":"VK1JT","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=VK1JT","recording_id":28721,"started_at":"2026-06-28T15:39:57.562981+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":28722}