{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T12:54:31.782153+00:00","duration_seconds":3.142387,"id":510825,"input_summary":"chars=64 node=683211","metadata":{"llm_candidates":[{"callsign":"KE2FZD","confidence":1.0},{"callsign":"K2FZD","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=KE2FZD,K2FZD","recording_id":123994,"started_at":"2026-06-26T12:54:28.639766+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":123995}