{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T00:41:51.272576+00:00","duration_seconds":0.456661,"id":1615197,"input_summary":"chars=99 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"K7CP","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=K7CP","recording_id":160157,"started_at":"2026-07-12T00:41:50.815915+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":157037}