fix: update paths and add static files support for Docker

app/static/js/error.js

@@ -0,0 +1,35 @@
+// Theme toggle functionality
+function toggleTheme() {
+    const html = document.documentElement;
+    const currentTheme = html.getAttribute('data-theme');
+    const newTheme = currentTheme === 'light' ? 'dark' : 'light';
+    
+    html.setAttribute('data-theme', newTheme);
+    localStorage.setItem('lb_theme', newTheme);
+    
+    // Update theme toggle button
+    const themeButton = document.querySelector('.theme-toggle');
+    if (themeButton) {
+        themeButton.textContent = newTheme === 'light' ? '🌙' : '☀️';
+    }
+}
+
+// Initialize theme on page load
+document.addEventListener('DOMContentLoaded', function() {
+    const savedTheme = localStorage.getItem('lb_theme') || 'dark';
+    document.documentElement.setAttribute('data-theme', savedTheme);
+    
+    // Update theme toggle button
+    const themeButton = document.querySelector('.theme-toggle');
+    if (themeButton) {
+        themeButton.textContent = savedTheme === 'light' ? '🌙' : '☀️';
+    }
+});
+
+// Keyboard shortcut for theme toggle (Ctrl+T)
+document.addEventListener('keydown', function(e) {
+    if (e.ctrlKey && e.key === 't') {
+        e.preventDefault();
+        toggleTheme();
+    }
+});