REGATTA: A Cross-Domain Measurement Framework and Fault-Injection Harness for Enterprise AI Agents

Luong Tuan Thanh, Abhijit Sanyal · 2026 · arXiv

DOI: 10.48550/arXiv.2610.30924 · open-access PDF

Abstract

Enterprise AI-agent evaluation needs evidence about whether test suites expose specified faults and whether their reference rules are trustworthy. We introduce REGATTA (Regulatory Evaluation of Agents via Two-stage Testing and Assurance), a measurement framework with three instruments. A 125-item source-cited checklist spans five industry-by-jurisdiction cells across the United States and Vietnam. A 25-fault corpus covers five categories, and a harness scores suite-level fault detection at the design and execution stages. We examine four measurement diagnostics on 180 generated suites (5,400 s

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