diff --git a/apps/ai-game-creator-shell/scripts/check-config.mjs b/apps/ai-game-creator-shell/scripts/check-config.mjs
index f2c19ac58..037526aaa 100644
--- a/apps/ai-game-creator-shell/scripts/check-config.mjs
+++ b/apps/ai-game-creator-shell/scripts/check-config.mjs
@@ -1285,6 +1285,9 @@ if (tauriConfig.identifier !== 'world.genarrative.ai-game-creator') {
   throw new Error('AI game creator shell identifier drifted');
 }
 
+const expectedBundledDesignAgentResources = {
+  'design-agent': 'design-agent',
+};
 const expectedBundledCodexResources = {
   'resources/codex/win-x64/bin/codex.exe': 'codex/win-x64/bin/codex.exe',
   'resources/codex/win-x64/bin/codex-code-mode-host.exe':
@@ -1300,16 +1303,33 @@ const expectedBundledCodexResources = {
   'resources/codex/win-x64/NOTICE.md': 'codex/win-x64/NOTICE.md',
   'resources/codex/win-x64/manifest.json': 'codex/win-x64/manifest.json',
 };
-if (tauriConfig.bundle?.resources !== undefined) {
-  throw new Error(
-    'AI game creator shell base Tauri config must not require Windows-only Codex resources',
-  );
+assert.deepEqual(
+  tauriConfig.bundle?.resources,
+  expectedBundledDesignAgentResources,
+  'AI game creator shell base Tauri config must bundle the design-agent resource pack',
+);
+for (const key of Object.keys(tauriConfig.bundle?.resources ?? {})) {
+  if (String(key).includes('codex')) {
+    throw new Error(
+      'AI game creator shell base Tauri config must not require Windows-only Codex resources',
+    );
+  }
 }
 assert.deepEqual(
   windowsTauriConfig.bundle?.resources,
   expectedBundledCodexResources,
   'AI game creator shell Windows Tauri config must bundle the complete pinned Codex resource set',
 );
+if (
+  Object.prototype.hasOwnProperty.call(
+    windowsTauriConfig.bundle?.resources ?? {},
+    'design-agent',
+  )
+) {
+  throw new Error(
+    'design-agent resource pack must not be mixed into the Windows Codex sidecar bundle',
+  );
+}
 if (windowsTauriConfig.bundle?.useLocalToolsDir !== true) {
   throw new Error(
     'AI game creator shell Windows Tauri config must cache bundling tools in the project target directory',
diff --git a/apps/ai-game-creator-shell/src-tauri/tauri.conf.json b/apps/ai-game-creator-shell/src-tauri/tauri.conf.json
index 1eb8e0319..15e394d98 100644
--- a/apps/ai-game-creator-shell/src-tauri/tauri.conf.json
+++ b/apps/ai-game-creator-shell/src-tauri/tauri.conf.json
@@ -31,6 +31,9 @@
   "bundle": {
     "active": true,
     "targets": "all",
+    "resources": {
+      "design-agent": "design-agent"
+    },
     "linux": {
       "deb": {
         "depends": ["bubblewrap"]
diff --git a/apps/ai-game-creator-shell/src-tauri/tauri.windows.conf.json b/apps/ai-game-creator-shell/src-tauri/tauri.windows.conf.json
index 8e53a3cd4..ad932ab58 100644
--- a/apps/ai-game-creator-shell/src-tauri/tauri.windows.conf.json
+++ b/apps/ai-game-creator-shell/src-tauri/tauri.windows.conf.json
@@ -11,8 +11,7 @@
       "resources/codex/win-x64/codex-resources/codex-windows-sandbox-setup.exe": "codex/win-x64/codex-resources/codex-windows-sandbox-setup.exe",
       "resources/codex/win-x64/codex-package.json": "codex/win-x64/codex-package.json",
       "resources/codex/win-x64/NOTICE.md": "codex/win-x64/NOTICE.md",
-      "resources/codex/win-x64/manifest.json": "codex/win-x64/manifest.json",
-      "design-agent": "design-agent"
+      "resources/codex/win-x64/manifest.json": "codex/win-x64/manifest.json"
     }
   }
 }