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LingoBun

An LLM-powered vocabulary app taken past the demo stage: Redis-backed rate limiting and cost caps on every AI call, Zod-validated environment config, and a 180-test Vitest suite guarding the pipeline.

Shipped an LLM-powered language-learning app with the unglamorous half of AI engineering in place: Redis-backed rate limiting and cost caps on every AI call, Zod-validated config, and 180 Vitest tests protecting the pipeline from regressions.

Stack
Next.jsRedisZodVitest

6 articles