diff --git a/App.tsx b/App.tsx
new file mode 100644
index 0000000..d4ad3e1
--- /dev/null
+++ b/App.tsx
@@ -0,0 +1,122 @@
+import React, { useState, useEffect } from 'react';
+import TemplateList from './components/TemplateList';
+import TemplateEditor from './components/TemplateEditor';
+import { ViewState, EmailTemplate, SQL_SCHEMA } from './types';
+import { getTemplates, deleteTemplate } from './services/storage';
+import { Database } from 'lucide-react';
+
+const App: React.FC = () => {
+  const [view, setView] = useState<ViewState>('dashboard');
+  const [templates, setTemplates] = useState<EmailTemplate[]>([]);
+  const [selectedTemplate, setSelectedTemplate] = useState<EmailTemplate | undefined>(undefined);
+  const [showSchema, setShowSchema] = useState(false);
+  const [isLoading, setIsLoading] = useState(false);
+
+  useEffect(() => {
+    refreshTemplates();
+  }, []);
+
+  const refreshTemplates = async () => {
+    setIsLoading(true);
+    const data = await getTemplates();
+    setTemplates(data);
+    setIsLoading(false);
+  };
+
+  const handleCreate = () => {
+    setSelectedTemplate(undefined);
+    setView('editor');
+  };
+
+  const handleEdit = (t: EmailTemplate) => {
+    setSelectedTemplate(t);
+    setView('editor');
+  };
+
+  const handleDelete = async (id: string) => {
+    if (window.confirm("Are you sure you want to delete this template?")) {
+      await deleteTemplate(id);
+      await refreshTemplates();
+    }
+  };
+
+  const handleSave = async () => {
+    await refreshTemplates();
+    setView('dashboard');
+  };
+
+  return (
+    <div className="min-h-screen bg-slate-50 text-slate-900 font-sans">
+      {view === 'dashboard' && (
+        <>
+          {isLoading ? (
+            <div className="flex h-screen items-center justify-center text-slate-500">
+              Loading templates...
+            </div>
+          ) : (
+            <TemplateList 
+              templates={templates}
+              onCreate={handleCreate}
+              onEdit={handleEdit}
+              onDelete={handleDelete}
+            />
+          )}
+          <div className="fixed bottom-6 right-6">
+             <button 
+              onClick={() => setShowSchema(true)}
+              className="bg-slate-800 text-white px-4 py-3 rounded-full shadow-lg hover:bg-slate-900 flex items-center gap-2 text-sm font-medium transition-transform hover:scale-105"
+             >
+               <Database size={18} />
+               DB Schema
+             </button>
+          </div>
+        </>
+      )}
+
+      {view === 'editor' && (
+        <TemplateEditor 
+          initialTemplate={selectedTemplate}
+          onBack={() => setView('dashboard')}
+          onSave={handleSave}
+        />
+      )}
+
+      {/* Database Schema Modal (Global Help) */}
+      {showSchema && (
+        <div className="fixed inset-0 bg-black/60 flex items-center justify-center z-50 p-4">
+          <div className="bg-white rounded-xl shadow-2xl max-w-2xl w-full p-6">
+            <h2 className="text-xl font-bold mb-4 flex items-center gap-2">
+              <Database className="text-brand-600"/> 
+              Database Setup for n8n
+            </h2>
+            <p className="text-slate-600 text-sm mb-4">
+              To make this app work with your internal software, create this table in your MySQL or PostgreSQL database.
+            </p>
+            <div className="bg-slate-900 text-slate-100 p-4 rounded-lg overflow-x-auto custom-scrollbar mb-4">
+              <pre className="text-xs font-mono leading-relaxed">{SQL_SCHEMA}</pre>
+            </div>
+            <div className="flex justify-end gap-3">
+              <button 
+                onClick={() => {
+                  navigator.clipboard.writeText(SQL_SCHEMA);
+                  alert("Schema copied!");
+                }}
+                className="px-4 py-2 bg-slate-100 text-slate-700 font-medium rounded hover:bg-slate-200"
+              >
+                Copy SQL
+              </button>
+              <button 
+                onClick={() => setShowSchema(false)}
+                className="px-4 py-2 bg-brand-600 text-white font-medium rounded hover:bg-brand-700"
+              >
+                Close
+              </button>
+            </div>
+          </div>
+        </div>
+      )}
+    </div>
+  );
+};
+
+export default App;
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