fix: Remove unused fontSize prop (replaced by editorFontSize/previewFontSize)

src/App.tsx

@@ -17,7 +17,6 @@ function App() {
   const [manualCategories, setManualCategories] = useState<string[]>([]);
   const [isCategoriesCollapsed, setIsCategoriesCollapsed] = useState(false);
   const [isFocusMode, setIsFocusMode] = useState(false);
-  const [fontSize] = useState(14);
   const [username, setUsername] = useState('');
   const [theme, setTheme] = useState<'light' | 'dark' | 'system'>('system');
   const [effectiveTheme, setEffectiveTheme] = useState<'light' | 'dark'>('light');
@@ -274,7 +273,6 @@ function App() {
       <NoteEditor
         note={selectedNote}
         onUpdateNote={handleUpdateNote}
-        fontSize={fontSize}
         onUnsavedChanges={setHasUnsavedChanges}
         categories={categories}
         isFocusMode={isFocusMode}

src/components/NoteEditor.tsx

@@ -8,7 +8,6 @@ import { FloatingToolbar } from './FloatingToolbar';
 interface NoteEditorProps {
   note: Note | null;
   onUpdateNote: (note: Note) => void;
-  fontSize: number;
   onUnsavedChanges?: (hasChanges: boolean) => void;
   categories: string[];
   isFocusMode?: boolean;
@@ -20,7 +19,7 @@ interface NoteEditorProps {
 }
 
 
-export function NoteEditor({ note, onUpdateNote, fontSize, onUnsavedChanges, categories, isFocusMode, onToggleFocusMode, editorFont = 'Source Code Pro', editorFontSize = 14, previewFont = 'Merriweather', previewFontSize = 16 }: NoteEditorProps) {
+export function NoteEditor({ note, onUpdateNote, onUnsavedChanges, categories, isFocusMode, onToggleFocusMode, editorFont = 'Source Code Pro', editorFontSize = 14, previewFont = 'Merriweather', previewFontSize = 16 }: NoteEditorProps) {
   const [localTitle, setLocalTitle] = useState('');
   const [localContent, setLocalContent] = useState('');
   const [localCategory, setLocalCategory] = useState('');