diff --git a/apps/app/src/composables/api/__tests__/usePublicFormSections.spec.ts b/apps/app/src/composables/api/__tests__/usePublicFormSections.spec.ts
index cdeccad4..fd43ce23 100644
--- a/apps/app/src/composables/api/__tests__/usePublicFormSections.spec.ts
+++ b/apps/app/src/composables/api/__tests__/usePublicFormSections.spec.ts
@@ -9,7 +9,7 @@ vi.mock('@/lib/axios', () => ({
 
 import { apiClient } from '@/lib/axios'
 import { usePublicFormSections } from '@/composables/api/usePublicFormSections'
-import type { PublicFormSectionOption } from '@form-schema/types/formBuilder'
+import type { PublicFormSectionOption } from '@/composables/forms/types/formBuilder'
 
 interface MockedApi { get: ReturnType<typeof vi.fn> }
 const mocked = apiClient as unknown as MockedApi
diff --git a/apps/app/src/composables/api/__tests__/usePublicFormTimeSlots.spec.ts b/apps/app/src/composables/api/__tests__/usePublicFormTimeSlots.spec.ts
index 48d5e9bc..81c47d69 100644
--- a/apps/app/src/composables/api/__tests__/usePublicFormTimeSlots.spec.ts
+++ b/apps/app/src/composables/api/__tests__/usePublicFormTimeSlots.spec.ts
@@ -9,7 +9,7 @@ vi.mock('@/lib/axios', () => ({
 
 import { apiClient } from '@/lib/axios'
 import { usePublicFormTimeSlots } from '@/composables/api/usePublicFormTimeSlots'
-import type { PublicFormTimeSlot } from '@form-schema/types/formBuilder'
+import type { PublicFormTimeSlot } from '@/composables/forms/types/formBuilder'
 
 interface MockedApi { get: ReturnType<typeof vi.fn> }
 const mocked = apiClient as unknown as MockedApi
diff --git a/apps/app/src/composables/api/usePublicForm.ts b/apps/app/src/composables/api/usePublicForm.ts
index b3b19a09..832a168f 100644
--- a/apps/app/src/composables/api/usePublicForm.ts
+++ b/apps/app/src/composables/api/usePublicForm.ts
@@ -9,7 +9,7 @@ import type {
   SaveDraftBody,
   StartDraftBody,
   SubmitBody,
-} from '@form-schema/types/formBuilder'
+} from '@/composables/forms/types/formBuilder'
 
 interface ApiResponse<T> {
   data: T
diff --git a/apps/app/src/composables/api/usePublicFormSections.ts b/apps/app/src/composables/api/usePublicFormSections.ts
index 9b337155..187ca7a3 100644
--- a/apps/app/src/composables/api/usePublicFormSections.ts
+++ b/apps/app/src/composables/api/usePublicFormSections.ts
@@ -1,7 +1,7 @@
 import { useQuery } from '@tanstack/vue-query'
 import type { Ref } from 'vue'
 import { apiClient } from '@/lib/axios'
-import type { PublicFormSectionOption } from '@form-schema/types/formBuilder'
+import type { PublicFormSectionOption } from '@/composables/forms/types/formBuilder'
 
 interface ApiResponse<T> {
   data: T
diff --git a/apps/app/src/composables/api/usePublicFormTimeSlots.ts b/apps/app/src/composables/api/usePublicFormTimeSlots.ts
index 24a3cfbe..8f4e26b7 100644
--- a/apps/app/src/composables/api/usePublicFormTimeSlots.ts
+++ b/apps/app/src/composables/api/usePublicFormTimeSlots.ts
@@ -1,7 +1,7 @@
 import { useQuery } from '@tanstack/vue-query'
 import type { Ref } from 'vue'
 import { apiClient } from '@/lib/axios'
-import type { PublicFormTimeSlot } from '@form-schema/types/formBuilder'
+import type { PublicFormTimeSlot } from '@/composables/forms/types/formBuilder'
 
 interface ApiResponse<T> {
   data: T
diff --git a/apps/app/src/composables/useFormDraft.ts b/apps/app/src/composables/useFormDraft.ts
index 37f1902a..0fc34e49 100644
--- a/apps/app/src/composables/useFormDraft.ts
+++ b/apps/app/src/composables/useFormDraft.ts
@@ -7,7 +7,7 @@ import {
   useSaveFormDraft,
   useSubmitForm,
 } from '@/composables/api/usePublicForm'
-import type { FormValues, PublicFormSubmission, SaveDraftBody } from '@form-schema/types/formBuilder'
+import type { FormValues, PublicFormSubmission, SaveDraftBody } from '@/composables/forms/types/formBuilder'
 
 /** sessionStorage key for reusing an idempotency key across reloads. */
 export function draftIdempotencyKey(token: string): string {
diff --git a/apps/app/src/layouts/PortalLayout.vue b/apps/app/src/layouts/PortalLayout.vue
index dac0597e..14433d3c 100644
--- a/apps/app/src/layouts/PortalLayout.vue
+++ b/apps/app/src/layouts/PortalLayout.vue
@@ -1,32 +1,232 @@
 <script setup lang="ts">
-// Portal layout skeleton — WS-3 session 1a.
-//
-// This is a foundation file. Content migration from apps/portal/ is a
-// later WS-3 session. The shape (top-bar / main / footer) is fixed
-// here so the router consolidation can target it with a stable name.
-//
-// DO NOT add nav, branding, or auth logic in this file directly.
-// Future sessions will compose those in via slots or child components.
+// Portal layout — content migrated from apps/portal/src/layouts/portal.vue
+// during WS-3 PR-B1 (single-SPA consolidation). Used by every page
+// under /portal/** plus selected non-auth portal entry points
+// (registreren, wachtwoord-instellen). Authenticated portal users see
+// the navbar + mobile drawer; unauthenticated visits render only the
+// main content + footer.
+
+import type AppLoadingIndicator from '@/components/AppLoadingIndicator.vue'
+import UserAvatarMenu from '@/components/portal/UserAvatarMenu.vue'
+import { usePortalAuthStore } from '@/stores/portal/usePortalAuthStore'
+import { usePortalStore } from '@/stores/portal/usePortalStore'
+import { useRoute, useRouter } from 'vue-router'
+
+const { injectSkinClasses } = useSkins()
+
+injectSkinClasses()
+
+const authStore = usePortalAuthStore()
+const portal = usePortalStore()
+const route = useRoute()
+const router = useRouter()
+
+const isMobileMenuOpen = ref(false)
+
+// Navbar mode: 'event' shows org name + event name + back link.
+// Default ('platform') shows Crewli logo + page title.
+const isEventMode = computed(() => route.meta.navMode === 'event')
+const navTitle = computed(() => route.meta.navTitle)
+
+const eventName = computed(() => portal.activeEvent?.event_name ?? '')
+const orgName = computed(() => portal.activeEvent?.organisation_name ?? '')
+
+const mobileNavItems = computed(() => [
+  { title: 'Mijn evenementen', to: '/portal/evenementen', icon: 'tabler-calendar-event' },
+  { title: 'Mijn Profiel', to: '/portal/profiel', icon: 'tabler-user' },
+])
+
+const isFallbackStateActive = ref(false)
+const refLoadingIndicator = ref<InstanceType<typeof AppLoadingIndicator> | null>(null)
+
+watch([isFallbackStateActive, refLoadingIndicator], () => {
+  if (isFallbackStateActive.value && refLoadingIndicator.value)
+    refLoadingIndicator.value.fallbackHandle()
+
+  if (!isFallbackStateActive.value && refLoadingIndicator.value)
+    refLoadingIndicator.value.resolveHandle()
+}, { immediate: true })
+
+async function logout() {
+  isMobileMenuOpen.value = false
+  await authStore.logout()
+  await router.push('/login')
+}
 </script>
 
 <template>
   <VApp>
+    <AppLoadingIndicator ref="refLoadingIndicator" />
+
+    <!-- Navbar: only shown when authenticated -->
     <VAppBar
-      density="compact"
+      v-if="authStore.isAuthenticated"
       flat
+      color="surface"
+      border="b"
+      height="64"
     >
-      <!-- Logo + portal nav land here in a later session -->
+      <VContainer
+        fluid
+        class="d-flex align-center py-0"
+        style="max-inline-size: 1440px;"
+      >
+        <!-- Event mode: Org name + Event name + Back link -->
+        <template v-if="isEventMode">
+          <div class="d-flex align-center gap-x-2 flex-shrink-0">
+            <VIcon
+              icon="tabler-building"
+              size="24"
+              color="primary"
+            />
+            <span
+              v-if="orgName"
+              class="text-subtitle-1 font-weight-medium text-high-emphasis d-none d-sm-inline text-truncate"
+              style="max-width: 200px;"
+            >
+              {{ orgName }}
+            </span>
+          </div>
+
+          <span
+            v-if="eventName"
+            class="text-body-1 text-medium-emphasis ms-2 text-truncate d-none d-sm-inline"
+            style="max-width: 250px;"
+          >
+            {{ eventName }}
+          </span>
+
+          <VBtn
+            variant="text"
+            size="small"
+            color="default"
+            class="text-medium-emphasis ms-2 d-none d-md-flex"
+            to="/portal/evenementen"
+          >
+            <VIcon
+              start
+              icon="tabler-arrow-left"
+              size="16"
+            />
+            Evenementen
+          </VBtn>
+        </template>
+
+        <!-- Platform mode: Crewli logo + optional page title -->
+        <template v-else>
+          <RouterLink
+            to="/portal/evenementen"
+            class="d-flex align-center gap-x-2 text-decoration-none flex-shrink-0"
+          >
+            <VIcon
+              icon="tabler-users-group"
+              size="26"
+              color="primary"
+            />
+            <span class="text-h6 font-weight-bold text-high-emphasis d-none d-sm-inline">
+              Crewli
+            </span>
+          </RouterLink>
+
+          <span
+            v-if="navTitle"
+            class="text-body-1 text-medium-emphasis ms-4 d-none d-md-inline"
+          >
+            {{ navTitle }}
+          </span>
+        </template>
+
+        <VSpacer />
+
+        <!-- Right section: Avatar menu (desktop) -->
+        <div class="d-none d-md-flex align-center">
+          <UserAvatarMenu />
+        </div>
+
+        <!-- Mobile nav toggle -->
+        <VAppBarNavIcon
+          class="d-md-none"
+          @click="isMobileMenuOpen = !isMobileMenuOpen"
+        />
+      </VContainer>
     </VAppBar>
 
+    <!-- Mobile navigation drawer -->
+    <VNavigationDrawer
+      v-if="authStore.isAuthenticated"
+      v-model="isMobileMenuOpen"
+      temporary
+      location="end"
+      class="d-md-none"
+    >
+      <div class="pa-4 pb-2">
+        <div class="d-flex align-center gap-3">
+          <VAvatar
+            size="40"
+            color="primary"
+          >
+            <span class="text-body-2 font-weight-medium text-white">
+              {{ (authStore.user?.first_name?.charAt(0) ?? '') + (authStore.user?.last_name?.charAt(0) ?? '') }}
+            </span>
+          </VAvatar>
+          <div class="min-w-0">
+            <div class="text-body-1 font-weight-bold text-truncate">
+              {{ authStore.user?.full_name }}
+            </div>
+            <div class="text-caption text-medium-emphasis text-truncate">
+              {{ authStore.user?.email }}
+            </div>
+          </div>
+        </div>
+      </div>
+
+      <VDivider />
+
+      <VList nav>
+        <VListItem
+          v-for="item in mobileNavItems"
+          :key="item.to"
+          :to="item.to"
+          :prepend-icon="item.icon"
+          :title="item.title"
+          @click="isMobileMenuOpen = false"
+        />
+
+        <VDivider class="my-2" />
+
+        <VListItem
+          prepend-icon="tabler-logout"
+          title="Uitloggen"
+          class="text-error"
+          @click="logout"
+        />
+      </VList>
+    </VNavigationDrawer>
+
     <VMain>
-      <RouterView />
+      <VContainer
+        fluid
+        class="pa-4 pa-sm-6"
+        style="max-inline-size: 1440px;"
+      >
+        <RouterView v-slot="{ Component }">
+          <Suspense
+            :timeout="0"
+            @fallback="isFallbackStateActive = true"
+            @resolve="isFallbackStateActive = false"
+          >
+            <Component :is="Component" />
+          </Suspense>
+        </RouterView>
+      </VContainer>
     </VMain>
 
     <VFooter
       app
-      class="text-caption"
+      color="transparent"
+      class="justify-center text-caption text-medium-emphasis py-3"
     >
-      <!-- Portal footer content lands here in a later session -->
+      Powered by Crewli
     </VFooter>
   </VApp>
 </template>
diff --git a/apps/app/src/layouts/__tests__/PortalLayout.spec.ts b/apps/app/src/layouts/__tests__/PortalLayout.spec.ts
index b818a535..41f09ef2 100644
--- a/apps/app/src/layouts/__tests__/PortalLayout.spec.ts
+++ b/apps/app/src/layouts/__tests__/PortalLayout.spec.ts
@@ -1,38 +1,85 @@
-import { describe, expect, it } from 'vitest'
+import { describe, expect, it, vi } from 'vitest'
 import { mount } from '@vue/test-utils'
-import PortalLayout from '../PortalLayout.vue'
+import { createPinia, setActivePinia } from 'pinia'
+
+// Mock auto-imported composables / external pinia stores so the layout's
+// <script setup> doesn't reach into Vuexy or the real auth + portal
+// stores during a unit test mount.
+vi.mock('@core/composable/useSkins', () => ({
+  useSkins: () => ({ injectSkinClasses: () => {} }),
+}))
+vi.mock('vue-router', async importOriginal => ({
+  ...(await importOriginal<typeof import('vue-router')>()),
+  useRoute: () => ({ meta: {} }),
+  useRouter: () => ({ push: vi.fn() }),
+}))
+vi.mock('@/stores/portal/usePortalAuthStore', () => ({
+  usePortalAuthStore: () => ({
+    isAuthenticated: false,
+    user: null,
+    logout: vi.fn(),
+  }),
+}))
+vi.mock('@/stores/portal/usePortalStore', () => ({
+  usePortalStore: () => ({ activeEvent: null }),
+}))
+vi.mock('@/components/portal/UserAvatarMenu.vue', () => ({
+  default: { template: '<div data-test="avatar" />' },
+}))
+// AppLoadingIndicator is stubbed at mount time below (see vuetifyStubs).
+
+const PortalLayout = (await import('../PortalLayout.vue')).default
 
 // Stub Vuetify components as their semantic HTML equivalents so we can
-// assert structure without pulling vuetify/components (which loads .css
-// files that the trimmed-down vitest config can't transform).
+// assert structure without pulling vuetify/components. AppLoadingIndicator
+// is also stubbed here with the methods (.fallbackHandle / .resolveHandle)
+// that PortalLayout's watcher invokes via the template ref.
 const vuetifyStubs = {
+  AppLoadingIndicator: {
+    template: '<div data-test="loading" />',
+    setup(_p: unknown, { expose }: { expose: (api: Record<string, () => void>) => void }) {
+      expose({ fallbackHandle() {}, resolveHandle() {} })
+    },
+  },
   VApp: { template: '<div><slot /></div>' },
   VAppBar: { template: '<header><slot /></header>' },
   VMain: { template: '<main><slot /></main>' },
   VFooter: { template: '<footer><slot /></footer>' },
+  VContainer: { template: '<div><slot /></div>' },
+  VNavigationDrawer: { template: '<aside><slot /></aside>' },
+  VAppBarNavIcon: true,
+  VBtn: true,
+  VIcon: true,
+  VSpacer: true,
+  VAvatar: true,
+  VList: true,
+  VListItem: true,
+  VDivider: true,
+  RouterLink: true,
 }
 
+setActivePinia(createPinia())
+
 describe('PortalLayout', () => {
   it('mounts without throwing', () => {
     const wrapper = mount(PortalLayout, {
-      global: {
-        stubs: { ...vuetifyStubs, RouterView: true },
-      },
+      global: { stubs: { ...vuetifyStubs, RouterView: true } },
     })
 
     expect(wrapper.exists()).toBe(true)
   })
 
-  it('renders a top app bar, main region, and footer', () => {
+  it('renders a main region and footer (header is auth-conditional)', () => {
     const wrapper = mount(PortalLayout, {
-      global: {
-        stubs: { ...vuetifyStubs, RouterView: true },
-      },
+      global: { stubs: { ...vuetifyStubs, RouterView: true } },
     })
 
-    expect(wrapper.find('header').exists()).toBe(true)
     expect(wrapper.find('main').exists()).toBe(true)
     expect(wrapper.find('footer').exists()).toBe(true)
+
+    // unauthenticated mock → no navbar, no drawer
+    expect(wrapper.find('header').exists()).toBe(false)
+    expect(wrapper.find('aside').exists()).toBe(false)
   })
 
   it('renders a RouterView inside the main region', () => {