fix(profile): restore source hints and upload-only avatar

frontend/src/components/user/profile/__tests__/ProfileAvatarCard.spec.ts

@@ -88,6 +88,8 @@ function createUser(overrides: Partial<User> = {}): User {
 async function flushAsyncWork(): Promise<void> {
   await Promise.resolve()
   await Promise.resolve()
+  await Promise.resolve()
+  await Promise.resolve()
 }
 
 const originalFileReader = globalThis.FileReader
@@ -156,6 +158,23 @@ describe('ProfileAvatarCard', () => {
     vi.restoreAllMocks()
   })
 
+  it('does not render a manual avatar input field', () => {
+    authStoreState.user = createUser()
+
+    const wrapper = mount(ProfileAvatarCard, {
+      props: {
+        user: authStoreState.user
+      },
+      global: {
+        stubs: {
+          Icon: true
+        }
+      }
+    })
+
+    expect(wrapper.find('[data-testid="profile-avatar-input"]').exists()).toBe(false)
+  })
+
   it('compresses an uploaded image that exceeds the 20KB target before saving', async () => {
     installAvatarCompressionMocks()
     const updatedUser = createUser({ avatar_url: 'data:image/webp;base64,Y29tcHJlc3NlZC1hdmF0YXI=' })