{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-02T04:56:18.260558+00:00","duration_seconds":0.665879,"id":1284515,"input_summary":"chars=821 node=66296","metadata":{"llm_candidates":[{"callsign":"N7CBN","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=N7CBN","recording_id":137049,"started_at":"2026-07-02T04:56:17.594679+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":136123}