feat: add catch-all route for direct board slug URLs

Added routes to handle direct slug URLs like canvas.jeffemmett.com/ccc
These now redirect to /board/ccc/ to maintain backward compatibility
with old links from jeffemmett.com/board/ccc

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/App.tsx

@@ -28,6 +28,9 @@ import { ErrorBoundary } from './components/ErrorBoundary';
 import CryptID from './components/auth/CryptID';
 import CryptoDebug from './components/auth/CryptoDebug';
 
+// Import Web3 provider for wallet integration
+import { Web3Provider } from './providers/Web3Provider';
+
 // Import Google Data test component
 import { GoogleDataTest } from './components/GoogleDataTest';
 
@@ -116,6 +119,15 @@ const RedirectBoardSlug = () => {
   return <Navigate to={`/board/${slug}/`} replace />;
 };
 
+/**
+ * Component to redirect direct slug URLs to board URLs
+ * Handles canvas.jeffemmett.com/ccc → /board/ccc/
+ */
+const RedirectDirectSlug = () => {
+  const { slug } = useParams<{ slug: string }>();
+  return <Navigate to={`/board/${slug}/`} replace />;
+};
+
 /**
  * Main App with context providers
  */
@@ -142,6 +154,7 @@ const AppWithProviders = () => {
     return (
     <ErrorBoundary>
       <AuthProvider>
+        <Web3Provider>
           <FileSystemProvider>
             <NotificationProvider>
               <Suspense fallback={<LoadingSpinner />}>
@@ -209,6 +222,12 @@ const AppWithProviders = () => {
                       {/* Google Data routes */}
                       <Route path="/google" element={<GoogleDataTest />} />
                       <Route path="/oauth/google/callback" element={<GoogleDataTest />} />
+
+                      {/* Catch-all: Direct slug URLs redirect to board URLs */}
+                      {/* e.g., canvas.jeffemmett.com/ccc → /board/ccc/ */}
+                      {/* Must be LAST to not interfere with other routes */}
+                      <Route path="/:slug" element={<RedirectDirectSlug />} />
+                      <Route path="/:slug/" element={<RedirectDirectSlug />} />
                     </Routes>
                   </Suspense>
                   </BrowserRouter>
@@ -216,6 +235,7 @@ const AppWithProviders = () => {
               </Suspense>
             </NotificationProvider>
           </FileSystemProvider>
+        </Web3Provider>
       </AuthProvider>
     </ErrorBoundary>
   );