fix: AuthPortal now correctly shows sign-in form for guests

fix: replace simulated AuthPortal with real passkey/OAuth sign-in

feat: full admin dashboard with CRUD and env-based admin auth

feat: replace simulated features with real implementations

fix: add remark-gfm for table parsing and table CSS styles

feat: implement multi-provider payment architecture (Stripe, Paystack, Binance Pay, Simulator) using dependency injection

Resolve all security vulnerabilities, bug fixes, and print watermarking configurations based on product review

refactor: safe editor folding, centralize api client headers, sync cloud preferences, and add tests

fix: adjust footer layout spacing and make editor/preview container heights dynamically stretch when AI tools close

feat: make realtime AI tools hideable, add layout toggle, and ensure dropdowns are fully theme aware

fix: restore menu button toggle on desktop, optimize mobile button responsiveness, and sync landing page preview styling

feat: add close buttons to Folder Sidebar, Sync Logs, AI Panel, and Live Preview

fix: resolve overflowing header controls and layout responsiveness in editor & main toolbar

refactor: Modularize frontend App.tsx into custom hooks and components and resolve Vite import.meta types

refactor: Modularize main.py and introduce clean separation of concerns for FastAPI routers

feat(editor): implement advanced print settings and spellcheck

feat: add syntax highlighting and preference sync

feat: initialize document converter and review workspace