Initial commit: Text Corruptor PWA

Features:
- Zalgo text generator with adjustable intensity (1-10)
- Real-time text corruption as you type
- Click-to-copy functionality with visual feedback
- Progressive Web App with offline support
- Responsive design for mobile and desktop
- Dark theme with glitch-inspired aesthetics

Technical implementation:
- Pure JavaScript implementation (no frameworks)
- Service Worker for offline functionality
- PWA manifest for installability
- Python development server
- Comprehensive linting setup (ESLint, Prettier, Black, Pylint)

🤖 Generated with [Claude Code](https://claude.ai/code)

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

app/app.js

@@ -0,0 +1,122 @@
+/**
+ * Main application logic for Text Corruptor
+ * Handles UI interactions and PWA registration
+ */
+
+/* global ZalgoGenerator */
+
+// Initialize zalgo generator
+const zalgo = new ZalgoGenerator();
+
+// DOM elements
+const inputText = document.getElementById('inputText');
+const outputText = document.getElementById('outputText');
+const intensitySlider = document.getElementById('intensity');
+const intensityValue = document.getElementById('intensityValue');
+const clearBtn = document.getElementById('clearBtn');
+const copyNotification = document.getElementById('copyNotification');
+
+/**
+ * Update the corrupted text output
+ */
+function updateOutput() {
+    const text = inputText.value;
+    const intensity = parseInt(intensitySlider.value);
+
+    if (text) {
+        outputText.value = zalgo.generate(text, intensity);
+    } else {
+        outputText.value = '';
+    }
+}
+
+/**
+ * Copy text to clipboard and show notification
+ */
+async function copyToClipboard() {
+    if (!outputText.value) return;
+
+    try {
+        await navigator.clipboard.writeText(outputText.value);
+
+        // Show copy notification
+        copyNotification.classList.add('show');
+        setTimeout(() => {
+            copyNotification.classList.remove('show');
+        }, 2000);
+    } catch (err) {
+        // Fallback for older browsers
+        outputText.select();
+        document.execCommand('copy');
+
+        // Show copy notification
+        copyNotification.classList.add('show');
+        setTimeout(() => {
+            copyNotification.classList.remove('show');
+        }, 2000);
+    }
+}
+
+/**
+ * Clear all text fields
+ */
+function clearAll() {
+    inputText.value = '';
+    outputText.value = '';
+    inputText.focus();
+}
+
+// Event listeners
+inputText.addEventListener('input', updateOutput);
+
+intensitySlider.addEventListener('input', () => {
+    intensityValue.textContent = intensitySlider.value;
+    updateOutput();
+});
+
+outputText.addEventListener('click', copyToClipboard);
+
+clearBtn.addEventListener('click', clearAll);
+
+// Handle keyboard shortcuts
+document.addEventListener('keydown', e => {
+    // Ctrl/Cmd + K to clear
+    if ((e.ctrlKey || e.metaKey) && e.key === 'k') {
+        e.preventDefault();
+        clearAll();
+    }
+
+    // Ctrl/Cmd + C when output is focused to copy
+    if ((e.ctrlKey || e.metaKey) && e.key === 'c' && document.activeElement === outputText) {
+        copyToClipboard();
+    }
+});
+
+// Register service worker for PWA functionality
+if ('serviceWorker' in navigator) {
+    window.addEventListener('load', () => {
+        navigator.serviceWorker
+            .register('sw.js')
+            .then(registration => {
+                console.log('Service Worker registered successfully:', registration.scope);
+            })
+            .catch(error => {
+                console.log('Service Worker registration failed:', error);
+            });
+    });
+}
+
+// Handle install prompt for PWA
+window.addEventListener('beforeinstallprompt', e => {
+    // Prevent the mini-infobar from appearing on mobile
+    e.preventDefault();
+    // Store the event so it can be triggered later if needed
+    // Currently not used but kept for potential future install button
+    window.deferredPrompt = e;
+    console.log('Install prompt ready');
+});
+
+// Focus input on load
+window.addEventListener('load', () => {
+    inputText.focus();
+});