feat: add enable/disable toggle for chore scheduling in ScheduleModal

- Introduced a toggle button to enable or disable chores in the scheduler.
- The toggle will be available in both types of schedulers.
- Added UI design proposal and considerations for mobile dimensions.
- Included E2E tests to ensure toggle state persistence and correct behavior in child view.

frontend/vue-app/e2e/mode_parent/create-child/sse.spec.ts

@@ -1,7 +1,7 @@
 // spec: e2e/plans/create-child.plan.md
 
 import { test, expect } from '@playwright/test'
-import { STORAGE_STATE } from '../../e2e-constants'
+import { STORAGE_STATE_CC } from '../../e2e-constants'
 
 test.describe('Create Child', () => {
   test.describe.configure({ mode: 'serial' })
@@ -68,7 +68,7 @@ test.describe('Create Child', () => {
     await expect(page).toHaveURL('/parent')
 
     // 2. Tab 2: isolated browser context so removing parentAuth doesn't affect Tab 1
-    const childContext = await browser.newContext({ storageState: STORAGE_STATE })
+    const childContext = await browser.newContext({ storageState: STORAGE_STATE_CC })
     const tab2 = await childContext.newPage()
 
     // Load the app first (to ensure localStorage is seeded from storageState),