{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-29T05:55:06.596532+00:00","duration_seconds":0.56299,"id":1137311,"input_summary":"chars=27 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KN4LBM","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KN4LBM","recording_id":16883,"started_at":"2026-06-29T05:55:06.033542+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":16884}