{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-16T17:18:18.513046+00:00","duration_seconds":17.732312,"id":1753145,"input_summary":"chars=481 node=683210","metadata":{"llm_candidates":[{"callsign":"KC1WCD","confidence":0.78},{"callsign":"W6H","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KC1WCD,W6H","recording_id":169290,"started_at":"2026-07-16T17:18:00.780734+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":165183}