{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T14:38:47.381874+00:00","duration_seconds":0.58039,"id":1660203,"input_summary":"chars=128 node=683211","metadata":{"llm_candidates":[{"callsign":"KE9DFF","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KE9DFF","recording_id":163168,"started_at":"2026-07-13T14:38:46.801484+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":159880}