fix(tests): update format-on-save cache hit threshold to 200 ms

fix(codegen): emit semicolon for declaration-only function prototypes

- Emit ; when a function has no body so generated C declarations are valid
- Keep function-definition formatting unchanged
- Add regression test to verify declaration-only prototype output
- Add guard assertion to reject malformed spacing variant (() ;)

Co-authored-by: Copilot <copilot@github.com>

feat: add operator and punctuation highlighting across various editor…

…s and themes

feat: add Fun Web color scheme and enhance syntax highlighting

- Introduced a new color scheme for JetBrains IDEs (FunWeb.icls) and updated README for instructions.
- Added Fun Web theme for Sublime Text with corresponding color scheme file (FunWeb.sublime-color-scheme) and updated README.
- Enhanced Neovim support with instructions for using the Fun Web colorscheme.
- Updated Vim syntax highlighting to include custom types and support types.
- Added Fun Web colorscheme for Vim (funweb.vim) and updated README.
- Implemented Fun Web theme for VS Code with a new color theme file (fun-web-color-theme.json) and updated README.
- Enhanced syntax highlighting in the website reference to support custom types and functions.
- Updated the website to handle bundled content loading and improved error handling.

feat: enhance defer semantics and add comprehensive tests for defer b…

…ehavior in various contexts

feat(tests): enhance e2e tests for async function completion and defi…

…nition resolution

feat: enhance documentation and return codes across synchronization a…

…nd threading modules

feat(tests): add end-to-end test for let inference with async call an…

…d address argument

feat: add async thread clock ticks example and update README

feat: implement CRLF normalization in output for consistency