first commit

apps/web/src/components/ThemeContext.jsx

@@ -0,0 +1,30 @@
+import React, { createContext, useContext, useEffect } from 'react';
+
+const ThemeContext = createContext();
+
+// Light theme only — the site no longer supports a dark mode.
+export const ThemeProvider = ({ children }) => {
+  useEffect(() => {
+    const root = window.document.documentElement;
+    root.classList.remove('dark');
+    root.classList.add('light');
+    // Clear any previously persisted dark preference.
+    localStorage.removeItem('theme-preference');
+  }, []);
+
+  // Kept for backward compatibility with consumers that still call useTheme.
+  // toggleTheme is a no-op now.
+  return (
+    <ThemeContext.Provider value={{ theme: 'light', toggleTheme: () => {} }}>
+      {children}
+    </ThemeContext.Provider>
+  );
+};
+
+export const useTheme = () => {
+  const context = useContext(ThemeContext);
+  if (context === undefined) {
+    throw new Error('useTheme must be used within a ThemeProvider');
+  }
+  return context;
+};