A static Astro blog that counts likes — one Vercel route and Upstash Redis
Adding a shared like counter to a fully static Astro site: one non-prerendered route, Upstash Redis key design, and the CI bugs that verifying it cost.
Testing
Playwright as a measuring instrument — the i18n defect no static check can reach
Measuring translated SVG labels against their boxes with Playwright, and the two bugs that made the check report 37 pages clean while measuring nothing.
Deterministic AI agent tests with AIMock — mocking LLMs, vector DBs, MCP, and A2A on one port
AIMock mocks the whole AI stack on one port (LLM, vector DB, MCP, A2A), so an agent test suite runs in under three seconds with identical output every time.