Initial commit: Sencho V1 complete with Auth and Dockerization

frontend/src/components/ErrorBoundary.tsx

@@ -0,0 +1,47 @@
+import React, { Component } from 'react';
+import type { ErrorInfo, ReactNode } from 'react';
+
+interface Props {
+  children: ReactNode;
+}
+
+interface State {
+  hasError: boolean;
+  error: Error | null;
+}
+
+class ErrorBoundary extends Component<Props, State> {
+  public state: State = {
+    hasError: false,
+    error: null,
+  };
+
+  public static getDerivedStateFromError(error: Error): State {
+    return { hasError: true, error };
+  }
+
+  public componentDidCatch(error: Error, errorInfo: ErrorInfo) {
+    console.error('ErrorBoundary caught an error:', error, errorInfo);
+  }
+
+  public render() {
+    if (this.state.hasError) {
+      return (
+        <div className="p-6 bg-red-900/20 border border-red-500 rounded-xl m-4">
+          <h2 className="text-lg font-bold text-red-500 mb-2">Something went wrong</h2>
+          <p className="text-red-300 text-sm mb-4">{this.state.error?.message || 'Unknown error'}</p>
+          <button
+            className="px-4 py-2 bg-red-500 text-white rounded-lg hover:bg-red-600"
+            onClick={() => this.setState({ hasError: false, error: null })}
+          >
+            Try again
+          </button>
+        </div>
+      );
+    }
+
+    return this.props.children;
+  }
+}
+
+export default ErrorBoundary;