diff --git a/docs/.vitepress/addons.ts b/docs/.vitepress/addons.ts
index b5204a7d1a..1af9d4478b 100644
--- a/docs/.vitepress/addons.ts
+++ b/docs/.vitepress/addons.ts
@@ -192,6 +192,17 @@ export const community: AddonInfo[] = [
     },
     repo: 'https://github.com/AlbertBrand/slidev-addon-hls-player',
   },
+  {
+    id: 'slidev-addon-inalia',
+    name: 'Inalia',
+    description: 'Make your talks more engaging with real-time interactions.',
+    tags: ['Real-Time', 'Interactive'],
+    author: {
+      name: 'Barbapapazes',
+      link: 'https://github.com/Barbapapazes',
+    },
+    repo: 'https://github.com/inalia-app/slidev-addon-inalia',
+  },
   // Add yours here!
   {
     id: '',
diff --git a/packages/vscode/schema/headmatter.json b/packages/vscode/schema/headmatter.json
index 86b92e1d88..bed19a9401 100644
--- a/packages/vscode/schema/headmatter.json
+++ b/packages/vscode/schema/headmatter.json
@@ -498,7 +498,10 @@
           "description": "Default frontmatter options applied to all slides",
           "markdownDescription": "Default frontmatter options applied to all slides"
         }
-      }
+      },
+      "required": [
+        "transition"
+      ]
     },
     "BuiltinLayouts": {
       "type": "string",