Fix module issues, fix styling, add conditions to when the background removal and edit controls are shown

server.js

@@ -4,7 +4,7 @@ import multer from 'multer';
 import { v4 as uuidv4 } from 'uuid';
 import sharp from 'sharp';
 import { createCanvas, loadImage } from 'canvas';
-import { fileURLToPath } from 'module';
+import { fileURLToPath } from 'url';
 import { dirname, join } from 'path';
 import { mkdirSync, existsSync, writeFileSync } from 'fs';
 
@@ -38,6 +38,14 @@ app.use('/exports', express.static(exportsDir));
 if (IS_PRODUCTION) {
   const clientDist = join(__dirname, 'dist');
   app.use(express.static(clientDist));
+} else {
+  // Dev UX: backend doesn't serve the SPA; Vite does.
+  app.get('/', (_req, res) => {
+    res
+      .status(302)
+      .set('Location', 'http://localhost:5173/')
+      .send('Redirecting to Vite dev server...');
+  });
 }
 
 // Map MIME types to file extensions