From 01e99b92f52af39b5e4e7af2805b1bf1e2cd1006 Mon Sep 17 00:00:00 2001
From: Polina Fedorenko <polina.fedorenko@frontify.com>
Date: Tue, 6 Oct 2026 13:32:49 +0200
Subject: [PATCH] feat(cli): add the external surfaces category for the asset
 chooser

---
 .changeset/brave-owls-gather.md          | 19 +++++++++++++++++++
 packages/cli/src/utils/verifyManifest.ts |  5 +++++
 2 files changed, 24 insertions(+)
 create mode 100644 .changeset/brave-owls-gather.md

diff --git a/.changeset/brave-owls-gather.md b/.changeset/brave-owls-gather.md
new file mode 100644
index 000000000..d512677c3
--- /dev/null
+++ b/.changeset/brave-owls-gather.md
@@ -0,0 +1,19 @@
+---
+"@frontify/frontify-cli": minor
+---
+
+feat: add the `external` surfaces category with an `assetChooser` surface to the platform app manifest schema
+
+Its `title` is now validated like other surface titles (2 to 28 characters).
+
+```json
+{
+    "surfaces": {
+        "external": {
+            "assetChooser": {
+                "title": "My App"
+            }
+        }
+    }
+}
+```
diff --git a/packages/cli/src/utils/verifyManifest.ts b/packages/cli/src/utils/verifyManifest.ts
index 62bd75c60..e8b8b6014 100644
--- a/packages/cli/src/utils/verifyManifest.ts
+++ b/packages/cli/src/utils/verifyManifest.ts
@@ -225,6 +225,11 @@ export const platformAppManifestSchemaV1 = object({
             }).optional(),
             assetCreation: assetCreationShape,
         }).optional(),
+        external: object({
+            assetChooser: object({
+                title: string().min(2).max(28),
+            }).optional(),
+        }).optional(),
     }).optional(),
     metadata: object({
         version: number().int(),