{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-02T12:28:10.966649+00:00","duration_seconds":2.331209,"id":1288225,"input_summary":"chars=727 node=683210","metadata":{"llm_candidates":[{"callsign":"WB2EHG","confidence":0.78},{"callsign":"KJ5QU","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=WB2EHG,KJ5QU","recording_id":137334,"started_at":"2026-07-02T12:28:08.635440+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":136367}