Add Clear Cache button and caching info

- Add Clear Cache button next to Load Model button
- Clear all IndexedDB databases when clicked
- Add info text about model caching (~2.1GB cached locally)
- Helps users understand and manage cached model files
- Useful for testing and forcing fresh downloads

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

assets/index-4ud1a0so.css

@@ -0,0 +1 @@
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index.html

@@ -6,8 +6,8 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <meta name="description" content="Real-time speech recognition with Parakeet STT and WebGPU acceleration. Progressive transcription demo." />
     <title>Parakeet STT Progressive Transcription | WebGPU Demo</title>
-    <script type="module" crossorigin src="/assets/index-DVS7G44a.js"></script>
-    <link rel="stylesheet" crossorigin href="/assets/index-B70hdNPb.css">
+    <script type="module" crossorigin src="/assets/index-BcaLx5gT.js"></script>
+    <link rel="stylesheet" crossorigin href="/assets/index-4ud1a0so.css">
   </head>
   <body>
     <div id="root"></div>

source/src/App.jsx

@@ -139,6 +139,25 @@ function App() {
     });
   };
 
+  const clearCache = async () => {
+    if (!confirm('Clear cached model files (~2.1GB)? You will need to re-download the model.')) {
+      return;
+    }
+
+    try {
+      const dbs = await indexedDB.databases();
+      for (const db of dbs) {
+        indexedDB.deleteDatabase(db.name);
+        console.log('Deleted IndexedDB:', db.name);
+      }
+      alert('Cache cleared! Reload the page to start fresh.');
+      window.location.reload();
+    } catch (error) {
+      console.error('Failed to clear cache:', error);
+      alert('Failed to clear cache. Try clearing browser data manually.');
+    }
+  };
+
   const startRecording = async () => {
     if (modelStatus !== 'ready') {
       alert('Please load the model first');
@@ -366,6 +385,9 @@ function App() {
           <p className="text-gray-400 mt-2">
             Real-time speech recognition with smart progressive streaming • WebGPU accelerated
           </p>
+          <p className="text-gray-500 text-xs mt-2">
+            💾 Model files (~2.1GB) are cached locally for faster loading on future visits
+          </p>
         </div>
       </header>
 
@@ -412,14 +434,23 @@ function App() {
               <h3 className="text-sm font-medium text-gray-400">Model Status</h3>
               <p className="text-sm text-gray-300 mt-1">{modelMessage || 'Ready to load model'}</p>
             </div>
-            <div>
+            <div className="flex items-center gap-3">
               {modelStatus === 'not_loaded' && (
-                <button
-                  onClick={loadModel}
-                  className="px-6 py-3 bg-gradient-to-r from-cyan-500 to-blue-500 hover:from-cyan-600 hover:to-blue-600 rounded-lg font-semibold transition-all duration-200 shadow-lg hover:shadow-xl"
-                >
-                  Load Model (~2.5GB)
-                </button>
+                <>
+                  <button
+                    onClick={loadModel}
+                    className="px-6 py-3 bg-gradient-to-r from-cyan-500 to-blue-500 hover:from-cyan-600 hover:to-blue-600 rounded-lg font-semibold transition-all duration-200 shadow-lg hover:shadow-xl"
+                  >
+                    Load Model (~2.5GB)
+                  </button>
+                  <button
+                    onClick={clearCache}
+                    className="px-4 py-2 bg-gray-700 hover:bg-gray-600 rounded-lg text-sm font-medium transition-all duration-200"
+                    title="Clear cached model files"
+                  >
+                    Clear Cache
+                  </button>
+                </>
               )}
               {modelStatus === 'loading' && (
                 <div className="w-full max-w-md">