feat: add extensionsExplore setting to enable extensions explore UI. (#18686)

docs/get-started/configuration.md

@@ -864,6 +864,11 @@ their corresponding top-level category object in your `settings.json` file.
   - **Default:** `true`
   - **Requires restart:** Yes
 
+- **`experimental.extensionRegistry`** (boolean):
+  - **Description:** Enable extension registry explore UI.
+  - **Default:** `false`
+  - **Requires restart:** Yes
+
 - **`experimental.extensionReloading`** (boolean):
   - **Description:** Enables extension loading/unloading within the CLI session.
   - **Default:** `false`

packages/cli/src/config/settingsSchema.ts

@@ -1537,6 +1537,15 @@ const SETTINGS_SCHEMA = {
         description: 'Enable requesting and fetching of extension settings.',
         showInDialog: false,
       },
+      extensionRegistry: {
+        type: 'boolean',
+        label: 'Extension Registry Explore UI',
+        category: 'Experimental',
+        requiresRestart: true,
+        default: false,
+        description: 'Enable extension registry explore UI.',
+        showInDialog: false,
+      },
       extensionReloading: {
         type: 'boolean',
         label: 'Extension Reloading',

schemas/settings.schema.json

@@ -1481,6 +1481,13 @@
           "default": true,
           "type": "boolean"
         },
+        "extensionRegistry": {
+          "title": "Extension Registry Explore UI",
+          "description": "Enable extension registry explore UI.",
+          "markdownDescription": "Enable extension registry explore UI.\n\n- Category: `Experimental`\n- Requires restart: `yes`\n- Default: `false`",
+          "default": false,
+          "type": "boolean"
+        },
         "extensionReloading": {
           "title": "Extension Reloading",
           "description": "Enables extension loading/unloading within the CLI session.",