{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-02T12:29:23.095831+00:00","duration_seconds":2.343409,"id":1288286,"input_summary":"chars=639 node=683210","metadata":{"llm_candidates":[{"callsign":"KQ9V","confidence":0.78},{"callsign":"WQ9V","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=KQ9V,WQ9V","recording_id":137338,"started_at":"2026-07-02T12:29:20.752422+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":136371}