CHANGES
- Introduce VSCode recommended extensions and project-specific settings.
- Update `.gitignore` to track the `.vscode` directory.
- Apply consistent markdown formatting to all checklist documents.
- Standardize spacing, list styles, and headers in personas.
- Refine formatting and sectioning in task definition files.
- Ensure newline termination for all modified text files.
- Correct code block specifiers and minor textual content.
Kayvan Sylvan