feat: portable version of hoppscotch-agent (#4468)

packages/hoppscotch-agent/src-tauri/src/webview/error.rs

@@ -0,0 +1,15 @@
+use std::io;
+
+use thiserror::Error;
+
+#[derive(Error, Debug)]
+pub enum WebViewError {
+    #[error("Failed to open URL: {0}")]
+    UrlOpen(#[from] io::Error),
+    #[error("Failed to download WebView2 installer: {0}")]
+    Download(String),
+    #[error("WebView2 installation failed: {0}")]
+    Installation(String),
+    #[error("Failed during request: {0}")]
+    Request(#[from] tauri_plugin_http::reqwest::Error),
+}