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+# Code Quality Requirements
+
+- Follow standard TypeScript conventions and best practices
+- Use `<script setup lang="ts">` and the composition API when creating Vue components
+- Use clear, descriptive variable and function names
+- Add comments only to explain complex logic or non-obvious implementations
+- Write unit tests for core functionality using `vitest`
+- Write end-to-end tests using Playwright and `@nuxt/test-utils`
+- Keep functions focused and manageable (generally under 50 lines), and extract complex logic into separate domain-specific files
+- Remove code that is not used or needed
+- Use error handling patterns consistently
+- Create and maintain a `PROGRESS.md` file to track ongoing work and issues