Add authentication, user management, and database migration features

- Implement OAuth 2.0 and PAT authentication methods
- Add user management, roles, and profile functionality
- Add database migrations and admin user scripts
- Update services for authentication and user settings
- Add protected routes and permission hooks
- Update documentation for authentication and database access

frontend/vite.config.ts

@@ -15,6 +15,30 @@ export default defineConfig({
       '/api': {
         target: 'http://localhost:3001',
         changeOrigin: true,
+        // Ensure cookies are forwarded correctly
+        configure: (proxy, _options) => {
+          proxy.on('proxyRes', (proxyRes, req, res) => {
+            // Rewrite Set-Cookie headers to work with the proxy
+            // Change domain from backend (localhost:3001) to frontend (localhost:5173)
+            const setCookieHeaders = proxyRes.headers['set-cookie'];
+            if (setCookieHeaders) {
+              const rewritten = Array.isArray(setCookieHeaders) 
+                ? setCookieHeaders.map(cookie => {
+                    // Remove domain attribute or rewrite it to work with proxy
+                    return cookie
+                      .replace(/;\s*domain=[^;]+/gi, '') // Remove domain
+                      .replace(/;\s*secure/gi, ''); // Remove secure in dev (if needed)
+                  })
+                : [setCookieHeaders].map(cookie => {
+                    return cookie
+                      .replace(/;\s*domain=[^;]+/gi, '')
+                      .replace(/;\s*secure/gi, '');
+                  });
+              proxyRes.headers['set-cookie'] = rewritten;
+              console.log('[Vite Proxy] Rewritten Set-Cookie headers:', rewritten);
+            }
+          });
+        },
       },
     },
   },