{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T23:40:46.147565+00:00","duration_seconds":2.406636,"id":562935,"input_summary":"chars=1692 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0},{"callsign":"W4EDP","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=4 calls=KK7NQN,W4EDP","recording_id":77953,"started_at":"2026-06-26T23:40:43.740929+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":77954}