{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-02T15:35:30.980304+00:00","duration_seconds":0.744285,"id":1295850,"input_summary":"chars=448 node=683210","metadata":{"llm_candidates":[{"callsign":"KN6WQ","confidence":0.78},{"callsign":"K6DC","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KN6WQ,K6DC","recording_id":138009,"started_at":"2026-07-02T15:35:30.236019+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":136908}