Added vid. tut. on home page, improved img. splitting

src/components/SpritesheetSplitter.vue

@@ -610,15 +610,23 @@
 
     const imageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
 
-    // Initialize worker lazily
+    // Initialize worker lazily using Vite worker syntax
     if (!irregularWorker.value) {
-      irregularWorker.value = new Worker('/src/workers/irregularSpriteDetection.worker.ts', { type: 'module' });
+      try {
+        irregularWorker.value = new Worker(new URL('../workers/irregularSpriteDetection.worker.ts', import.meta.url), { type: 'module' });
+      } catch (error) {
+        console.error('Failed to create worker:', error);
+        // Fallback to auto detection if worker fails
+        await autoDetectSprites(img);
+        return;
+      }
     }
 
     return new Promise<void>((resolve, reject) => {
       const worker = irregularWorker.value!;
 
       const handleMessage = async (e: MessageEvent) => {
+        clearTimeout(timeout);
         worker.removeEventListener('message', handleMessage);
         worker.removeEventListener('error', handleError);
 
@@ -632,21 +640,40 @@
         }
       };
 
-      const handleError = (error: ErrorEvent) => {
+      // Set timeout for worker processing
+      const timeout = setTimeout(() => {
         worker.removeEventListener('message', handleMessage);
         worker.removeEventListener('error', handleError);
-        reject(error);
+        console.warn('Worker timeout, falling back to auto detection');
+        // Fallback to auto detection
+        autoDetectSprites(img).then(resolve).catch(reject);
+      }, 30000); // 30 second timeout
+
+      const handleError = (error: ErrorEvent) => {
+        clearTimeout(timeout);
+        worker.removeEventListener('message', handleMessage);
+        worker.removeEventListener('error', handleError);
+        console.error('Worker error, falling back to auto detection:', error);
+        // Fallback to auto detection
+        autoDetectSprites(img).then(resolve).catch(reject);
       };
 
       worker.addEventListener('message', handleMessage);
       worker.addEventListener('error', handleError);
 
-      worker.postMessage({
-        type: 'detectIrregularSprites',
-        imageData,
-        sensitivity: sensitivity.value,
-        maxSize: 2048, // Limit processing size for performance
-      });
+      try {
+        worker.postMessage({
+          type: 'detectIrregularSprites',
+          imageData,
+          sensitivity: sensitivity.value,
+          maxSize: 2048, // Limit processing size for performance
+        });
+      } catch (error) {
+        clearTimeout(timeout);
+        console.error('Failed to post message to worker:', error);
+        // Fallback to auto detection
+        autoDetectSprites(img).then(resolve).catch(reject);
+      }
     });
   }