feat: remove hashed passwords feature spec and migrate to archive

fix: update login token expiration to 62 days

chore: bump version to 1.0.5RC1

test: add isParentPersistent to LoginButton.spec.ts

refactor: rename Assign Tasks button to Assign Chores in ParentView.vue

refactor: rename Assign Tasks to Assign Chores in TaskAssignView.vue

feat: add stay in parent mode checkbox and badge in LoginButton.vue

test: enhance LoginButton.spec.ts with persistent mode tests

test: add authGuard.spec.ts for logoutParent and enforceParentExpiry

feat: implement parent mode expiry logic in auth.ts

test: add auth.expiry.spec.ts for parent mode expiry tests

chore: create template for feature specs

frontend/vue-app/src/components/shared/LoginButton.vue

@@ -5,6 +5,7 @@ import { eventBus } from '@/common/eventBus'
 import {
   authenticateParent,
   isParentAuthenticated,
+  isParentPersistent,
   logoutParent,
   logoutUser,
 } from '../../stores/auth'
@@ -16,6 +17,7 @@ const router = useRouter()
 const show = ref(false)
 const pin = ref('')
 const error = ref('')
+const stayInParentMode = ref(false)
 const pinInput = ref<HTMLInputElement | null>(null)
 const dropdownOpen = ref(false)
 const dropdownRef = ref<HTMLElement | null>(null)
@@ -102,6 +104,7 @@ const open = async () => {
 const close = () => {
   show.value = false
   error.value = ''
+  stayInParentMode.value = false
 }
 
 const submit = async () => {
@@ -131,7 +134,7 @@ const submit = async () => {
       return
     }
     // Authenticate parent and navigate
-    authenticateParent()
+    authenticateParent(stayInParentMode.value)
     close()
     router.push('/parent')
   } catch (e) {
@@ -281,6 +284,12 @@ onUnmounted(() => {
       />
       <span v-else class="avatar-text">{{ profileLoading ? '...' : avatarInitial }}</span>
     </button>
+    <span
+      v-if="isParentAuthenticated && isParentPersistent"
+      class="persistent-badge"
+      aria-label="Persistent parent mode active"
+      >🔒</span
+    >
 
     <Transition name="slide-fade">
       <div
@@ -371,6 +380,10 @@ onUnmounted(() => {
           placeholder="4–6 digits"
           class="pin-input"
         />
+        <label class="stay-label">
+          <input type="checkbox" v-model="stayInParentMode" class="stay-checkbox" />
+          Stay in parent mode on this device
+        </label>
         <div class="actions modal-actions">
           <button type="button" class="btn btn-secondary" @click="close">Cancel</button>
           <button type="submit" class="btn btn-primary" :disabled="pin.length < 4">OK</button>
@@ -445,11 +458,40 @@ onUnmounted(() => {
   font-size: 1rem;
   border-radius: 8px;
   border: 1px solid #e6e6e6;
-  margin-bottom: 0.6rem;
+  margin-bottom: 0.8rem;
   box-sizing: border-box;
   text-align: center;
 }
 
+.stay-label {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+  font-size: 0.9rem;
+  color: var(--form-label, #444);
+  cursor: pointer;
+  margin-bottom: 1rem;
+  user-select: none;
+}
+
+.stay-checkbox {
+  width: 16px;
+  height: 16px;
+  accent-color: var(--btn-primary, #667eea);
+  cursor: pointer;
+  flex-shrink: 0;
+}
+
+.persistent-badge {
+  position: absolute;
+  bottom: -2px;
+  left: -2px;
+  font-size: 10px;
+  line-height: 1;
+  pointer-events: none;
+  user-select: none;
+}
+
 .dropdown-menu {
   position: absolute;
   right: 0;