{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T21:19:01.671087+00:00","duration_seconds":3.225021,"id":551874,"input_summary":"chars=143 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KJ9SK","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=2 calls=KJ9SK","recording_id":78864,"started_at":"2026-06-26T21:18:58.446066+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":78865}