Add prek + pytest-cov (#873)

src/README.md

@@ -96,4 +96,3 @@ make typecheck
 - Clear `node_modules` and reinstall: `make clean && make install`
 - Check Node.js version compatibility
 - Verify TypeScript configuration
-

src/frontend/index.html

@@ -5,16 +5,16 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0, viewport-fit=cover" />
     <meta name="description" content="Shelfmark - Book search and download" />
     <base href="/" data-shelfmark-base />
-    
+
     <!-- Theme color with media queries for light/dark mode -->
     <meta name="theme-color" content="#f8f8f8" media="(prefers-color-scheme: light)" />
     <meta name="theme-color" content="#121212" media="(prefers-color-scheme: dark)" />
-    
+
     <!-- iOS PWA Meta Tags -->
     <meta name="apple-mobile-web-app-capable" content="yes" />
     <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
     <meta name="apple-mobile-web-app-title" content="Shelfmark" />
-    
+
     <!-- App Icons -->
     <link rel="icon" type="image/x-icon" href="favicon.ico" />
     <link rel="apple-touch-icon" href="logo.png" />

src/frontend/src/components/Header.tsx

@@ -421,7 +421,7 @@ export const Header = forwardRef<HeaderHandle, HeaderProps>(({
             }}
           >
             <div className="py-1">
-              
+
               <a
                 href="https://github.com/calibrain/shelfmark/issues"
                 target="_blank"

src/frontend/src/components/LanguageMultiSelect.tsx

@@ -121,5 +121,3 @@ export const LanguageMultiSelect = ({
     />
   );
 };
-
-

src/frontend/src/components/resultsViews/CardView.tsx

@@ -215,4 +215,3 @@ export const CardView = ({ book, onDetails, onDownload, onGetReleases, buttonSta
     </article>
   );
 };
-

src/frontend/src/components/resultsViews/CompactView.tsx

@@ -219,4 +219,3 @@ export const CompactView = ({ book, onDetails, onDownload, onGetReleases, button
     </article>
   );
 };
-

src/frontend/src/components/resultsViews/ListView.tsx

@@ -274,4 +274,3 @@ export const ListView = ({ books, onDetails, onDownload, onGetReleases, getButto
     </article>
   );
 };
-

src/frontend/src/data/filterOptions.ts

@@ -24,4 +24,3 @@ export const CONTENT_OPTIONS = [
   { value: 'other', label: 'Other' },
   { value: 'musical_score', label: 'Musical score' },
 ];
-

src/frontend/src/hooks/useToast.tsx

@@ -7,13 +7,13 @@ export const useToast = () => {
   const showToast = useCallback((message: string, type: 'info' | 'success' | 'error' = 'info', persistent: boolean = false): string => {
     const id = Date.now().toString();
     setToasts(prev => [...prev, { id, message, type }]);
-    
+
     if (!persistent) {
       setTimeout(() => {
         setToasts(prev => prev.filter(t => t.id !== id));
       }, 4000);
     }
-    
+
     return id;
   }, []);
 

src/frontend/src/pages/LoginPage.tsx

@@ -38,4 +38,3 @@ export const LoginPage = ({ onLogin, error, isLoading, authMode, oidcButtonLabel
     </div>
   );
 };
-

src/frontend/src/utils/errors.ts

@@ -8,4 +8,3 @@ export class UserCancelledError extends Error {
 export function isUserCancelledError(error: unknown): error is UserCancelledError {
   return error instanceof UserCancelledError;
 }
-