{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-01T23:48:15.293662+00:00","duration_seconds":0.497339,"id":1280421,"input_summary":"chars=94 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"K7CB","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K7CB","recording_id":136753,"started_at":"2026-07-01T23:48:14.796323+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":135867}