feat(config): add enable-awesome experiment to show custom ASCII art

- Add ENABLE_AWESOME experiment flag (45758820).
- Update settings schema and regenerate JSON schema.
- Implement config.isAwesomeEnabled() wrapper.
- Add 'matt' ASCII art and update Header component to use it.
- Add unit tests for the new flag.

packages/cli/src/config/settingsSchema.ts

@@ -2217,6 +2217,15 @@ const SETTINGS_SCHEMA = {
           'Enable the experimental Topic & Update communication model for reduced chattiness and structured progress reporting.',
         showInDialog: true,
       },
+      'enable-awesome': {
+        type: 'boolean',
+        label: 'Enable Awesome',
+        category: 'Experimental',
+        requiresRestart: false,
+        default: false,
+        description: "When enabled, the ASCII art says 'matt'.",
+        showInDialog: true,
+      },
     },
   },
   extensions: {