feat: add grouped extension loading notification (#5529)

Signed-off-by: jom-sq <148157197+jom-sq@users.noreply.github.com>

ui/desktop/src/utils/extensionErrorUtils.ts

@@ -0,0 +1,30 @@
+/**
+ * Shared constants and utilities for extension error handling
+ */
+
+export const MAX_ERROR_MESSAGE_LENGTH = 70;
+
+/**
+ * Creates recovery hints for the "Ask goose" feature when extension loading fails
+ */
+export function createExtensionRecoverHints(errorMsg: string): string {
+  return (
+    `Explain the following error: ${errorMsg}. ` +
+    'This happened while trying to install an extension. Look out for issues where the ' +
+    "extension attempted to execute something incorrectly, didn't exist, or there was trouble with " +
+    'the network configuration - VPNs like WARP often cause issues.'
+  );
+}
+
+/**
+ * Formats an error message for display, truncating long messages with a fallback
+ * @param errorMsg - The full error message
+ * @param fallback - The fallback message to show if the error is too long
+ * @returns The formatted error message
+ */
+export function formatExtensionErrorMessage(
+  errorMsg: string,
+  fallback: string = 'Failed to add extension'
+): string {
+  return errorMsg.length < MAX_ERROR_MESSAGE_LENGTH ? errorMsg : fallback;
+}