Migrate to Vite 7, improve UI (Copy/Download), and enhance API security

src/components/ApiKeyPage.jsx

@@ -55,8 +55,7 @@ function ApiKeyPage({ apiKey, onRegenerateApiKey }) {
                 </button>
               </div>
               <div className="form-text">
-                This API key is used to encrypt and authenticate data uploads from remote clients.
-                <strong>Note:</strong> Requests from localhost (127.0.0.1) do not require an API key.
+                This API key is used to encrypt and authenticate data uploads.
               </div>
             </div>
 
@@ -64,7 +63,7 @@ function ApiKeyPage({ apiKey, onRegenerateApiKey }) {
               <h6>📡 Remote Data Upload API</h6>
               <p className="text-muted">
                 External tools can upload sample data remotely using the REST API.
-                For remote clients, the API key is required for authentication. Define two
+                The API key is required for authentication. Define two
                 environment variables in your <code>.bashrc</code>.
               </p>
               <pre className="bg-light p-3 rounded border">
@@ -80,10 +79,9 @@ function ApiKeyPage({ apiKey, onRegenerateApiKey }) {
     "$\{JMESPATH_PLAYGROUND_API_URL}/api/v1/upload"`}</code>
               </pre>
               <div className="form-text">
-                Replace <code>{'__JSON_FILE_NAME__'}</code> with the path to your JSON file containing the sample data.
-                or use <code>-</code> to read from standard input.
-                <br />
-                <strong>For localhost clients:</strong> The X-API-Key should be omitted.
+                Replace <code>{"__JSON_FILE_NAME__"}</code> with the path to your
+                JSON file containing the sample data. or use <code>-</code> to
+                read from standard input.
               </div>
             </div>
           </div>