{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T18:36:36.799609+00:00","duration_seconds":2.363245,"id":1836713,"input_summary":"chars=163 node=683210","metadata":{"llm_candidates":[{"callsign":"KC7LP","confidence":0.78},{"callsign":"CN3M","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KC7LP,CN3M","recording_id":175018,"started_at":"2026-07-18T18:36:34.436364+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170324}