Project structure

src/components/editor/
├── editor.tsx          # The composed editor you render
├── editor-md.tsx       # A Markdown-only editor, a subset of editor.tsx
├── editor-block.tsx    # A block editor built around the slash menu, a subset of editor.tsx
├── theme.ts            # Tailwind classes for each content element
├── theme.css           # Styles that need real CSS (code, tables, collapsibles)
├── dictionaries/       # UI strings
├── extensions/         # Lexical extensions that register behavior
├── nodes/              # Custom Lexical nodes (image, layout, emoji, mention, special text)
├── transformers/       # Markdown shortcuts and Markdown import/export
└── plugins/
    ├── content-editable.tsx
    ├── toolbar/            # Toolbar controls
    ├── floating/           # Selection toolbar, link editor, table actions
    ├── component-picker/   # Slash menu items
    ├── block-insert/       # Insert block menu items
    ├── activitybar/        # Counts, speech to text, read-only toggle, shortcuts
    ├── context-menu-plugin.tsx
    ├── draggable-block-plugin.tsx
    ├── emoji-picker-plugin.tsx
    └── mention-plugin.tsx