{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T09:12:08.205521+00:00","duration_seconds":1.756066,"id":343690,"input_summary":"chars=252 node=oldsys","metadata":{"llm_candidates":[{"callsign":"K7DXM","confidence":1.0},{"callsign":"K0EC","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=3 calls=K7DXM,K0EC","recording_id":99816,"started_at":"2026-06-25T09:12:06.449455+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":99817}