diff --git a/apps/mobile-shell/scripts/check-config.mjs b/apps/mobile-shell/scripts/check-config.mjs
index 17c913a24..4526e3b18 100644
--- a/apps/mobile-shell/scripts/check-config.mjs
+++ b/apps/mobile-shell/scripts/check-config.mjs
@@ -2078,6 +2078,9 @@ for (const snippet of [
   'exportAudioFile({',
   "code: 'unsupported_capability'",
   "code: 'cancelled'",
+  'rejects image import before picker launch when library permission is denied',
+  "message: 'photo library permission denied'",
+  'expect(imageLibraryMock).not.toHaveBeenCalled()',
   "message: 'camera permission denied'",
   "mediaTypes: ['images']",
   "options: { encoding: 'base64' }",
diff --git a/apps/mobile-shell/src/host-bridge/files.test.ts b/apps/mobile-shell/src/host-bridge/files.test.ts
index dd80582af..136cccaa0 100644
--- a/apps/mobile-shell/src/host-bridge/files.test.ts
+++ b/apps/mobile-shell/src/host-bridge/files.test.ts
@@ -288,6 +288,21 @@ describe('mobile HostBridge file actions', () => {
     expect(cameraMock).not.toHaveBeenCalled();
   });
 
+  test('rejects image import before picker launch when library permission is denied', async () => {
+    libraryPermissionMock.mockResolvedValueOnce({
+      status: ImagePicker.PermissionStatus.DENIED,
+      granted: false,
+      canAskAgain: false,
+      expires: 'never',
+    });
+
+    await expect(importImageFile()).rejects.toMatchObject({
+      code: 'host_error',
+      message: 'photo library permission denied',
+    });
+    expect(imageLibraryMock).not.toHaveBeenCalled();
+  });
+
   test('imports audio and exports binary files through controlled payloads', async () => {
     fileBase64Data.set('file:///picked/voice.mp3', MP3_BASE64);
     fileSizes.set('file:///picked/voice.mp3', Buffer.byteLength('ID3\x04\x00\x00\x00\x00\x00\x10'));