Add routine management features for child and parent views

- Implemented routine child-mode flow tests to ensure proper functionality of routine assignment and task completion.
- Created notification tests for parent view to verify routine completion notifications for children.
- Developed ChildRoutineOverlay component for displaying routine tasks and handling user interactions.
- Added RoutineApproveDialog component for approving or rejecting completed routines.
- Created unit tests for ChildRoutineOverlay and RoutineEditView components to ensure correct behavior and rendering.
- Enhanced RoutineEditView with proper handling of task addition and form submission.

Co-authored-by: Copilot <copilot@github.com>

frontend/playwright.config.ts

@@ -128,6 +128,15 @@ export default defineConfig({
       testMatch: [/mode_parent\/notifications\/.+\.spec\.ts/],
     },
 
+    {
+      // Bucket: routine tests — child-mode overlay flow (confirm + cancel) and
+      // parent notification appearance. Each spec creates its own isolated child.
+      name: 'chromium-routines',
+      use: { ...devices['Desktop Chrome'], storageState: STORAGE_STATE },
+      dependencies: ['setup'],
+      testMatch: [/mode_parent\/routines\/.+\.spec\.ts/],
+    },
+
     {
       // Bucket: parent profile button tests (permanent parent mode).
       name: 'chromium-profile-button',
@@ -176,6 +185,7 @@ export default defineConfig({
         /mode_parent\/user-profile\//,
         /mode_parent\/chore-scheduler\//,
         /mode_parent\/notifications\//,
+        /mode_parent\/routines\//,
       ],
     },