fix: use defaultValue() fallback for alert dialogs

Use message as fallback when dialog.defaultValue() returns empty string.
Also exclude broken testing utilities from TypeScript compilation.

Author: mithun50

src/McpResponse.ts

@@ -193,7 +193,7 @@ export class McpResponse implements Response {
     const dialog = context.getDialog();
     if (dialog) {
       response.push(`# Open dialog
-${dialog.type()}: ${dialog.message()} (default value: ${dialog.defaultValue()}).
+${dialog.type()}: ${dialog.message()} (default value: ${dialog.defaultValue() || dialog.message()}).
 Call ${handleDialog.name} to handle it before continuing.`);
     }
 

tsconfig.json

@@ -57,5 +57,8 @@
     "node_modules/chrome-devtools-frontend/front_end/core/root",
     "node_modules/chrome-devtools-frontend/front_end/third_party/third-party-web"
   ],
-  "exclude": ["node_modules/chrome-devtools-frontend/**/*.test.ts"]
+  "exclude": [
+    "node_modules/chrome-devtools-frontend/**/*.test.ts",
+    "node_modules/chrome-devtools-frontend/front_end/models/trace/lantern/testing"
+  ]
 }