{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T07:51:49.321689+00:00","duration_seconds":1.636551,"id":946355,"input_summary":"chars=654 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KN4CWC","confidence":0.78},{"callsign":"K9BBC","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KN4CWC,K9BBC","recording_id":31614,"started_at":"2026-06-28T07:51:47.685138+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":31615}