Fix API connectivity and import filament data from PDF

- Update all environment files to use new PostgreSQL API endpoint
- Fix CORS configuration in API server
- Import 35 filaments and 29 colors from PDF data
- Fix TypeScript type error in dashboard
- Add back emoji icons for dark mode toggle
- Remove debugging code and test buttons
- Clean up error handling

src/services/api.ts

@@ -23,7 +23,13 @@ api.interceptors.request.use((config) => {
 api.interceptors.response.use(
   (response) => response,
   (error) => {
-    if (error.response?.status === 401 || error.response?.status === 403) {
+    // Only redirect to login for protected routes
+    const protectedPaths = ['/colors', '/filaments'];
+    const isProtectedRoute = protectedPaths.some(path => 
+      error.config?.url?.includes(path) && error.config?.method !== 'get'
+    );
+    
+    if ((error.response?.status === 401 || error.response?.status === 403) && isProtectedRoute) {
       localStorage.removeItem('authToken');
       localStorage.removeItem('tokenExpiry');
       window.location.href = '/upadaj';