Refactor and enhance various components and tests

- Remove OverrideEditModal.spec.ts test file.
- Update ParentPinSetup.vue to handle Enter key for code and PIN inputs.
- Modify ChildEditView.vue to add maxlength for age input.
- Enhance ChildView.vue with reward confirmation and cancellation dialogs.
- Update ParentView.vue to handle pending rewards and confirm edits.
- Revise PendingRewardDialog.vue to accept a dynamic message prop.
- Expand ChildView.spec.ts to cover reward dialog interactions.
- Add tests for ParentView.vue to validate pending reward handling.
- Update UserProfile.vue to simplify button styles.
- Adjust RewardView.vue to improve delete confirmation handling.
- Modify ChildrenListView.vue to clarify child creation instructions.
- Refactor EntityEditForm.vue to improve input handling and focus management.
- Enhance ItemList.vue to support item selection.
- Update LoginButton.vue to focus PIN input on error.
- Change ScrollingList.vue empty state color for better visibility.
- Remove capture attribute from ImagePicker.vue file input.
- Update router/index.ts to redirect logged-in users from auth routes.
- Add authGuard.spec.ts to test router authentication logic.

frontend/vue-app/src/components/auth/ParentPinSetup.vue

@@ -18,7 +18,13 @@
         We've sent a 6-digit code to your email. Enter it below to continue. The code is valid for
         10 minutes.
       </p>
-      <input v-model="code" maxlength="6" class="code-input" placeholder="6-digit code" />
+      <input
+        v-model="code"
+        maxlength="6"
+        class="code-input"
+        placeholder="6-digit code"
+        @keyup.enter="isCodeValid && verifyCode()"
+      />
       <div class="button-group">
         <button
           v-if="!loading"
@@ -40,6 +46,7 @@
       <input
         v-model="pin"
         @input="handlePinInput"
+        @keyup.enter="!loading && isPinValid && setPin()"
         maxlength="6"
         inputmode="numeric"
         pattern="\d*"
@@ -49,6 +56,7 @@
       <input
         v-model="pin2"
         @input="handlePin2Input"
+        @keyup.enter="!loading && isPinValid && setPin()"
         maxlength="6"
         inputmode="numeric"
         pattern="\d*"