{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-08T03:53:19.624848+00:00","duration_seconds":0.588497,"id":1491831,"input_summary":"chars=335 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"W7AU","confidence":0.78},{"callsign":"K7AU","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=W7AU,K7AU","recording_id":151703,"started_at":"2026-07-08T03:53:19.036351+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":149371}