first commit

components/common/ErrorBoundary.tsx

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+import { Component, ErrorInfo, ReactNode } from 'react';
+
+interface Props {
+  children: ReactNode;
+  fallback?: ReactNode;
+}
+
+interface State {
+  hasError: boolean;
+  error: Error | null;
+}
+
+class ErrorBoundary extends Component<Props, State> {
+  constructor(props: Props) {
+    super(props);
+    this.state = { hasError: false, error: null };
+  }
+
+  static getDerivedStateFromError(error: Error): State {
+    return { hasError: true, error };
+  }
+
+  componentDidCatch(error: Error, errorInfo: ErrorInfo) {
+    console.error('ErrorBoundary caught error:', error, errorInfo);
+    // TODO: Send to error tracking service (Sentry, LogRocket, etc.)
+  }
+
+  render() {
+    if (this.state.hasError) {
+      return (
+        this.props.fallback || (
+          <div className="flex items-center justify-center min-h-screen bg-gray-50">
+            <div className="bg-white p-8 rounded-xl shadow-lg max-w-md text-center">
+              <i className="fa-solid fa-triangle-exclamation text-red-500 text-5xl mb-4"></i>
+              <h2 className="text-2xl font-bold text-gray-800 mb-2">Something went wrong</h2>
+              <p className="text-gray-600 mb-4">
+                We&apos;re sorry, but something unexpected happened. Please refresh the page.
+              </p>
+              <button
+                onClick={() => window.location.reload()}
+                className="px-6 py-2 bg-red-600 text-white rounded-lg hover:bg-red-700 transition-colors"
+              >
+                Refresh Page
+              </button>
+            </div>
+          </div>
+        )
+      );
+    }
+
+    return this.props.children;
+  }
+}
+
+export default ErrorBoundary;