- Enforce consistent code formatting via ESLint rules
- Add accessibility enhancements (input IDs, labels, ARIA attributes)
- Replace Svelte store initialization patterns with reactive $effect
- Use $derived for reactive computed values
- Update error-codes and og-types indentation to spaces
- Add TypeScript definitions for html-minifier-terser
- Use resolve() for internal links in error and login pages
- Prerender 20+ HTTP error codes (4xx/5xx) at build time
- Embed error pages in binary and serve via Axum
- Intercept error responses for HTML requests
- Add transient flag for retry-worthy errors (502/503/504)
