Fictional digital-asset custody mock built to be tested: a four-layer Playwright + TypeScript architecture (Zod contract oracle, deterministic workflows, thin UI, required compliance gate), a planted-defects demo branch the suite catches red-handed, a self-auditing agent panel, and a perf layer proving contention correctness on SQLite.
typescript sqlite test-automation fintech compliance api-testing contract-testing digital-assets performance-testing fastify prisma e2e-testing compliance-testing quality-engineering test-architecture zod playwright sdet-portfolio
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Updated
Jul 20, 2026 - TypeScript