{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-02T15:36:35.301841+00:00","duration_seconds":3.314244,"id":1295915,"input_summary":"chars=675 node=683210","metadata":{"llm_candidates":[{"callsign":"K60CL","confidence":0.78},{"callsign":"N9MUF","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=K60CL,N9MUF","recording_id":138012,"started_at":"2026-07-02T15:36:31.987597+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":136911}