diff --git a/__tests__/stores/product-workspace/store.test.ts b/__tests__/stores/product-workspace/store.test.ts
index 9f3cea7..beb61f1 100644
--- a/__tests__/stores/product-workspace/store.test.ts
+++ b/__tests__/stores/product-workspace/store.test.ts
@@ -90,7 +90,7 @@ function makeStory(overrides: Partial<BacklogStory> & { id: string; pbi_id: stri
     acceptance_criteria: overrides.acceptance_criteria ?? null,
     priority: overrides.priority ?? 2,
     sort_order: overrides.sort_order ?? 1,
-    status: overrides.status ?? 'open',
+    status: overrides.status ?? 'OPEN',
     pbi_id: overrides.pbi_id,
     sprint_id: overrides.sprint_id ?? null,
     created_at: overrides.created_at ?? new Date('2026-01-01'),
@@ -104,7 +104,7 @@ function makeTask(overrides: Partial<BacklogTask> & { id: string; story_id: stri
     description: overrides.description ?? null,
     priority: overrides.priority ?? 2,
     sort_order: overrides.sort_order ?? 1,
-    status: overrides.status ?? 'todo',
+    status: overrides.status ?? 'TO_DO',
     story_id: overrides.story_id,
     created_at: overrides.created_at ?? new Date('2026-01-01'),
   }
@@ -168,6 +168,27 @@ describe('hydrateSnapshot', () => {
     expect(s.loading.loadedProductId).toBe('prod-1')
   })
 
+  it('normaliseert API-statussen naar het interne store-contract', () => {
+    useProductWorkspaceStore.getState().hydrateSnapshot(
+      snapshotWith(
+        [makePbi({ id: 'pbi-1', status: 'READY' as BacklogPbi['status'] })],
+        {
+          'pbi-1': [
+            makeStory({ id: 'st-1', pbi_id: 'pbi-1', status: 'in_sprint' }),
+          ],
+        },
+        {
+          'st-1': [makeTask({ id: 'tk-1', story_id: 'st-1', status: 'todo' })],
+        },
+      ),
+    )
+
+    const s = useProductWorkspaceStore.getState()
+    expect(s.entities.pbisById['pbi-1'].status).toBe('ready')
+    expect(s.entities.storiesById['st-1'].status).toBe('IN_SPRINT')
+    expect(s.entities.tasksById['tk-1'].status).toBe('TO_DO')
+  })
+
   it('reset bestaande entities en relations bij her-hydratie', () => {
     useProductWorkspaceStore.getState().hydrateSnapshot(
       snapshotWith([makePbi({ id: 'old-pbi' })]),
@@ -624,6 +645,7 @@ describe('ensureTaskLoaded — zet detail-flag', () => {
     await useProductWorkspaceStore.getState().ensureTaskLoaded('t-1')
     const task = useProductWorkspaceStore.getState().entities.tasksById['t-1'] as TaskDetail
     expect(task._detail).toBe(true)
+    expect(task.status).toBe('TO_DO')
     expect(task.implementation_plan).toBe('detailed plan here')
     expect(useProductWorkspaceStore.getState().loading.loadedTaskIds['t-1']).toBe(true)
   })
diff --git a/__tests__/stores/sprint-workspace/store.test.ts b/__tests__/stores/sprint-workspace/store.test.ts
index baf16f2..6e7757a 100644
--- a/__tests__/stores/sprint-workspace/store.test.ts
+++ b/__tests__/stores/sprint-workspace/store.test.ts
@@ -96,7 +96,7 @@ function makeStory(
     acceptance_criteria: overrides.acceptance_criteria ?? null,
     priority: overrides.priority ?? 2,
     sort_order: overrides.sort_order ?? 1,
-    status: overrides.status ?? 'open',
+    status: overrides.status ?? 'OPEN',
     pbi_id: overrides.pbi_id,
     sprint_id: overrides.sprint_id ?? null,
     created_at: overrides.created_at ?? new Date('2026-01-01'),
@@ -113,7 +113,7 @@ function makeTask(
     description: overrides.description ?? null,
     priority: overrides.priority ?? 2,
     sort_order: overrides.sort_order ?? 1,
-    status: overrides.status ?? 'todo',
+    status: overrides.status ?? 'TO_DO',
     story_id: overrides.story_id,
     sprint_id: overrides.sprint_id ?? null,
     created_at: overrides.created_at ?? new Date('2026-01-01'),
@@ -174,6 +174,20 @@ describe('hydrateSnapshot', () => {
     expect(s.context.activeProduct).toEqual({ id: 'prod-1', name: 'Product 1' })
     expect(s.loading.loadedSprintIds['sp-1']).toBe(true)
   })
+
+  it('normaliseert API-statussen naar het interne store-contract', () => {
+    useSprintWorkspaceStore.getState().hydrateSnapshot(
+      snapshotWith(
+        makeSprint({ id: 'sp-1', product_id: 'prod-1' }),
+        [makeStory({ id: 's-1', pbi_id: 'pbi-1', sprint_id: 'sp-1', status: 'in_sprint' })],
+        { 's-1': [makeTask({ id: 't-1', story_id: 's-1', status: 'todo' })] },
+      ),
+    )
+
+    const s = useSprintWorkspaceStore.getState()
+    expect(s.entities.storiesById['s-1'].status).toBe('IN_SPRINT')
+    expect(s.entities.tasksById['t-1'].status).toBe('TO_DO')
+  })
 })
 
 describe('hydrateProductSprints', () => {
@@ -692,6 +706,7 @@ describe('ensureTaskLoaded — zet detail-flag', () => {
       't-1'
     ] as SprintWorkspaceTaskDetail
     expect(task._detail).toBe(true)
+    expect(task.status).toBe('TO_DO')
     expect(task.implementation_plan).toBe('detailed plan here')
     expect(useSprintWorkspaceStore.getState().loading.loadedTaskIds['t-1']).toBe(true)
   })
diff --git a/stores/product-workspace/store.ts b/stores/product-workspace/store.ts
index 4571310..7ca381c 100644
--- a/stores/product-workspace/store.ts
+++ b/stores/product-workspace/store.ts
@@ -22,6 +22,14 @@ import {
   writeStoryHint,
   writeTaskHint,
 } from './restore'
+import {
+  normalizeBacklogStory,
+  normalizeBacklogTask,
+  normalizeProductBacklogSnapshot,
+  normalizePbiStatusForStore,
+  normalizeStoryStatusForStore,
+  normalizeTaskStatusForStore,
+} from '@/stores/workspace-status-adapter'
 
 interface ContextSlice {
   activeProduct: ActiveProduct | null
@@ -174,7 +182,8 @@ export const useProductWorkspaceStore = create<ProductWorkspaceStore>()(
   immer((set, get) => ({
     ...initialState,
 
-    hydrateSnapshot(snapshot) {
+    hydrateSnapshot(inputSnapshot) {
+      const snapshot = normalizeProductBacklogSnapshot(inputSnapshot)
       set((s) => {
         if (snapshot.product) s.context.activeProduct = snapshot.product
 
@@ -358,11 +367,12 @@ export const useProductWorkspaceStore = create<ProductWorkspaceStore>()(
       )
       if (requestId && get().loading.activeRequestId !== requestId) return
       if (!Array.isArray(stories)) return
+      const normalizedStories = stories.map(normalizeBacklogStory)
       set((s) => {
-        for (const story of stories) {
+        for (const story of normalizedStories) {
           s.entities.storiesById[story.id] = story
         }
-        s.relations.storyIdsByPbi[pbiId] = [...stories]
+        s.relations.storyIdsByPbi[pbiId] = [...normalizedStories]
           .sort(compareStory)
           .map((st) => st.id)
         s.loading.loadedPbiIds[pbiId] = true
@@ -375,8 +385,9 @@ export const useProductWorkspaceStore = create<ProductWorkspaceStore>()(
       )
       if (requestId && get().loading.activeRequestId !== requestId) return
       if (!Array.isArray(tasks)) return
+      const normalizedTasks = tasks.map(normalizeBacklogTask)
       set((s) => {
-        for (const task of tasks) {
+        for (const task of normalizedTasks) {
           const existing = s.entities.tasksById[task.id]
           if (existing && isDetail(existing)) {
             s.entities.tasksById[task.id] = { ...existing, ...task }
@@ -384,7 +395,7 @@ export const useProductWorkspaceStore = create<ProductWorkspaceStore>()(
             s.entities.tasksById[task.id] = task
           }
         }
-        s.relations.taskIdsByStory[storyId] = [...tasks]
+        s.relations.taskIdsByStory[storyId] = [...normalizedTasks]
           .sort(compareTask)
           .map((t) => t.id)
         s.loading.loadedStoryIds[storyId] = true
@@ -397,8 +408,9 @@ export const useProductWorkspaceStore = create<ProductWorkspaceStore>()(
       )
       if (requestId && get().loading.activeRequestId !== requestId) return
       if (!detail || typeof detail !== 'object') return
+      const normalizedDetail = normalizeBacklogTask(detail)
       set((s) => {
-        s.entities.tasksById[taskId] = { ...detail, _detail: true }
+        s.entities.tasksById[taskId] = { ...normalizedDetail, _detail: true }
         s.loading.loadedTaskIds[taskId] = true
       })
     },
@@ -772,20 +784,65 @@ function sanitizePbiPayload(p: Record<string, unknown>): Partial<BacklogPbi> {
   const { entity: _e, op: _o, ...rest } = p
   void _e
   void _o
+  if (typeof rest.status === 'string') {
+    rest.status = normalizePbiStatusForStore(rest.status)
+  }
   return rest as Partial<BacklogPbi>
 }
 
 function sanitizeStoryPayload(p: Record<string, unknown>): Partial<BacklogStory> {
-  const { entity: _e, op: _o, ...rest } = p
+  const {
+    entity: _e,
+    op: _o,
+    story_status,
+    story_sort_order,
+    story_title,
+    story_code,
+    ...rest
+  } = p
   void _e
   void _o
+  if (rest.status === undefined && typeof story_status === 'string') {
+    rest.status = story_status
+  }
+  if (rest.sort_order === undefined && typeof story_sort_order === 'number') {
+    rest.sort_order = story_sort_order
+  }
+  if (rest.title === undefined && typeof story_title === 'string') {
+    rest.title = story_title
+  }
+  if (rest.code === undefined && (typeof story_code === 'string' || story_code === null)) {
+    rest.code = story_code
+  }
+  if (typeof rest.status === 'string') {
+    rest.status = normalizeStoryStatusForStore(rest.status)
+  }
   return rest as Partial<BacklogStory>
 }
 
 function sanitizeTaskPayload(p: Record<string, unknown>): Partial<BacklogTask> {
-  const { entity: _e, op: _o, ...rest } = p
+  const {
+    entity: _e,
+    op: _o,
+    task_status,
+    task_sort_order,
+    task_title,
+    ...rest
+  } = p
   void _e
   void _o
+  if (rest.status === undefined && typeof task_status === 'string') {
+    rest.status = task_status
+  }
+  if (rest.sort_order === undefined && typeof task_sort_order === 'number') {
+    rest.sort_order = task_sort_order
+  }
+  if (rest.title === undefined && typeof task_title === 'string') {
+    rest.title = task_title
+  }
+  if (typeof rest.status === 'string') {
+    rest.status = normalizeTaskStatusForStore(rest.status)
+  }
   return rest as Partial<BacklogTask>
 }
 
@@ -801,20 +858,24 @@ function coercePbiPayload(id: string, p: Record<string, unknown>): BacklogPbi {
       p.created_at instanceof Date
         ? p.created_at
         : new Date(String(p.created_at ?? Date.now())),
-    status: (p.status as BacklogPbi['status']) ?? 'ready',
+    status: normalizePbiStatusForStore(String(p.status ?? 'ready')),
   }
 }
 
 function coerceStoryPayload(id: string, p: Record<string, unknown>): BacklogStory {
+  const status = p.status ?? p.story_status ?? 'OPEN'
+  const sortOrder = p.sort_order ?? p.story_sort_order ?? 0
+  const title = p.title ?? p.story_title ?? ''
+  const code = p.code ?? p.story_code ?? null
   return {
     id,
-    code: (p.code as string | null) ?? null,
-    title: String(p.title ?? ''),
+    code: (code as string | null) ?? null,
+    title: String(title),
     description: (p.description as string | null | undefined) ?? null,
     acceptance_criteria: (p.acceptance_criteria as string | null | undefined) ?? null,
     priority: Number(p.priority ?? 4),
-    sort_order: Number(p.sort_order ?? 0),
-    status: String(p.status ?? 'open'),
+    sort_order: Number(sortOrder),
+    status: normalizeStoryStatusForStore(String(status)),
     pbi_id: String(p.pbi_id ?? ''),
     sprint_id: (p.sprint_id as string | null | undefined) ?? null,
     created_at:
@@ -825,13 +886,16 @@ function coerceStoryPayload(id: string, p: Record<string, unknown>): BacklogStor
 }
 
 function coerceTaskPayload(id: string, p: Record<string, unknown>): BacklogTask {
+  const status = p.status ?? p.task_status ?? 'TO_DO'
+  const sortOrder = p.sort_order ?? p.task_sort_order ?? 0
+  const title = p.title ?? p.task_title ?? ''
   return {
     id,
-    title: String(p.title ?? ''),
+    title: String(title),
     description: (p.description as string | null | undefined) ?? null,
     priority: Number(p.priority ?? 4),
-    sort_order: Number(p.sort_order ?? 0),
-    status: String(p.status ?? 'todo'),
+    sort_order: Number(sortOrder),
+    status: normalizeTaskStatusForStore(String(status)),
     story_id: String(p.story_id ?? ''),
     created_at:
       p.created_at instanceof Date
diff --git a/stores/sprint-workspace/store.ts b/stores/sprint-workspace/store.ts
index e49afce..81e878f 100644
--- a/stores/sprint-workspace/store.ts
+++ b/stores/sprint-workspace/store.ts
@@ -21,6 +21,12 @@ import {
   writeStoryHint,
   writeTaskHint,
 } from './restore'
+import {
+  normalizeSprintTask,
+  normalizeSprintWorkspaceSnapshot,
+  normalizeStoryStatusForStore,
+  normalizeTaskStatusForStore,
+} from '@/stores/workspace-status-adapter'
 
 interface ContextSlice {
   activeProduct: ActiveProductRef | null
@@ -180,7 +186,8 @@ export const useSprintWorkspaceStore = create<SprintWorkspaceStore>()(
   immer((set, get) => ({
     ...initialState,
 
-    hydrateSnapshot(snapshot) {
+    hydrateSnapshot(inputSnapshot) {
+      const snapshot = normalizeSprintWorkspaceSnapshot(inputSnapshot)
       set((s) => {
         if (snapshot.product) s.context.activeProduct = snapshot.product
 
@@ -387,8 +394,9 @@ export const useSprintWorkspaceStore = create<SprintWorkspaceStore>()(
       )
       if (requestId && get().loading.activeRequestId !== requestId) return
       if (!Array.isArray(tasks)) return
+      const normalizedTasks = tasks.map(normalizeSprintTask)
       set((s) => {
-        for (const task of tasks) {
+        for (const task of normalizedTasks) {
           const existing = s.entities.tasksById[task.id]
           if (existing && isDetail(existing)) {
             s.entities.tasksById[task.id] = { ...existing, ...task }
@@ -396,7 +404,7 @@ export const useSprintWorkspaceStore = create<SprintWorkspaceStore>()(
             s.entities.tasksById[task.id] = task
           }
         }
-        s.relations.taskIdsByStory[storyId] = [...tasks]
+        s.relations.taskIdsByStory[storyId] = [...normalizedTasks]
           .sort(compareTask)
           .map((t) => t.id)
         s.loading.loadedStoryIds[storyId] = true
@@ -409,8 +417,9 @@ export const useSprintWorkspaceStore = create<SprintWorkspaceStore>()(
       )
       if (requestId && get().loading.activeRequestId !== requestId) return
       if (!detail || typeof detail !== 'object') return
+      const normalizedDetail = normalizeSprintTask(detail)
       set((s) => {
-        s.entities.tasksById[taskId] = { ...detail, _detail: true }
+        s.entities.tasksById[taskId] = { ...normalizedDetail, _detail: true }
         s.loading.loadedTaskIds[taskId] = true
       })
     },
@@ -839,16 +848,58 @@ function sanitizeSprintPayload(p: Record<string, unknown>): Partial<SprintWorksp
 }
 
 function sanitizeStoryPayload(p: Record<string, unknown>): Partial<SprintWorkspaceStory> {
-  const { entity: _e, op: _o, ...rest } = p
+  const {
+    entity: _e,
+    op: _o,
+    story_status,
+    story_sort_order,
+    story_title,
+    story_code,
+    ...rest
+  } = p
   void _e
   void _o
+  if (rest.status === undefined && typeof story_status === 'string') {
+    rest.status = story_status
+  }
+  if (rest.sort_order === undefined && typeof story_sort_order === 'number') {
+    rest.sort_order = story_sort_order
+  }
+  if (rest.title === undefined && typeof story_title === 'string') {
+    rest.title = story_title
+  }
+  if (rest.code === undefined && (typeof story_code === 'string' || story_code === null)) {
+    rest.code = story_code
+  }
+  if (typeof rest.status === 'string') {
+    rest.status = normalizeStoryStatusForStore(rest.status)
+  }
   return rest as Partial<SprintWorkspaceStory>
 }
 
 function sanitizeTaskPayload(p: Record<string, unknown>): Partial<SprintWorkspaceTask> {
-  const { entity: _e, op: _o, ...rest } = p
+  const {
+    entity: _e,
+    op: _o,
+    task_status,
+    task_sort_order,
+    task_title,
+    ...rest
+  } = p
   void _e
   void _o
+  if (rest.status === undefined && typeof task_status === 'string') {
+    rest.status = task_status
+  }
+  if (rest.sort_order === undefined && typeof task_sort_order === 'number') {
+    rest.sort_order = task_sort_order
+  }
+  if (rest.title === undefined && typeof task_title === 'string') {
+    rest.title = task_title
+  }
+  if (typeof rest.status === 'string') {
+    rest.status = normalizeTaskStatusForStore(rest.status)
+  }
   return rest as Partial<SprintWorkspaceTask>
 }
 
@@ -881,15 +932,19 @@ function coerceStoryPayload(
   id: string,
   p: Record<string, unknown>,
 ): SprintWorkspaceStory {
+  const status = p.status ?? p.story_status ?? 'OPEN'
+  const sortOrder = p.sort_order ?? p.story_sort_order ?? 0
+  const title = p.title ?? p.story_title ?? ''
+  const code = p.code ?? p.story_code ?? null
   return {
     id,
-    code: (p.code as string | null) ?? null,
-    title: String(p.title ?? ''),
+    code: (code as string | null) ?? null,
+    title: String(title),
     description: (p.description as string | null | undefined) ?? null,
     acceptance_criteria: (p.acceptance_criteria as string | null | undefined) ?? null,
     priority: Number(p.priority ?? 4),
-    sort_order: Number(p.sort_order ?? 0),
-    status: String(p.status ?? 'open'),
+    sort_order: Number(sortOrder),
+    status: normalizeStoryStatusForStore(String(status)),
     pbi_id: String(p.pbi_id ?? ''),
     sprint_id: (p.sprint_id as string | null | undefined) ?? null,
     created_at:
@@ -900,14 +955,17 @@ function coerceStoryPayload(
 }
 
 function coerceTaskPayload(id: string, p: Record<string, unknown>): SprintWorkspaceTask {
+  const status = p.status ?? p.task_status ?? 'TO_DO'
+  const sortOrder = p.sort_order ?? p.task_sort_order ?? 0
+  const title = p.title ?? p.task_title ?? ''
   return {
     id,
     code: (p.code as string | null) ?? null,
-    title: String(p.title ?? ''),
+    title: String(title),
     description: (p.description as string | null | undefined) ?? null,
     priority: Number(p.priority ?? 4),
-    sort_order: Number(p.sort_order ?? 0),
-    status: String(p.status ?? 'todo'),
+    sort_order: Number(sortOrder),
+    status: normalizeTaskStatusForStore(String(status)),
     story_id: String(p.story_id ?? ''),
     sprint_id: (p.sprint_id as string | null | undefined) ?? null,
     created_at:
diff --git a/stores/workspace-status-adapter.ts b/stores/workspace-status-adapter.ts
new file mode 100644
index 0000000..8900058
--- /dev/null
+++ b/stores/workspace-status-adapter.ts
@@ -0,0 +1,88 @@
+import {
+  pbiStatusFromApi,
+  pbiStatusToApi,
+  storyStatusFromApi,
+  taskStatusFromApi,
+} from '@/lib/task-status'
+import type {
+  BacklogPbi,
+  BacklogStory,
+  BacklogTask,
+  ProductBacklogSnapshot,
+  TaskDetail,
+} from '@/stores/product-workspace/types'
+import type {
+  SprintWorkspaceSnapshot,
+  SprintWorkspaceStory,
+  SprintWorkspaceTask,
+  SprintWorkspaceTaskDetail,
+} from '@/stores/sprint-workspace/types'
+
+export function normalizePbiStatusForStore(status: string): BacklogPbi['status'] {
+  const dbStatus = pbiStatusFromApi(status)
+  return dbStatus ? pbiStatusToApi(dbStatus) : (status as BacklogPbi['status'])
+}
+
+export function normalizeStoryStatusForStore(status: string): string {
+  return storyStatusFromApi(status) ?? status
+}
+
+export function normalizeTaskStatusForStore(status: string): string {
+  return taskStatusFromApi(status) ?? status
+}
+
+export function normalizeBacklogPbi<T extends BacklogPbi>(pbi: T): T {
+  const status = normalizePbiStatusForStore(pbi.status)
+  return status === pbi.status ? pbi : { ...pbi, status }
+}
+
+export function normalizeBacklogStory<T extends BacklogStory>(story: T): T {
+  const status = normalizeStoryStatusForStore(story.status)
+  return status === story.status ? story : { ...story, status }
+}
+
+export function normalizeBacklogTask<T extends BacklogTask | TaskDetail>(task: T): T {
+  const status = normalizeTaskStatusForStore(task.status)
+  return status === task.status ? task : { ...task, status }
+}
+
+export function normalizeSprintStory<T extends SprintWorkspaceStory>(story: T): T {
+  const status = normalizeStoryStatusForStore(story.status)
+  return status === story.status ? story : { ...story, status }
+}
+
+export function normalizeSprintTask<T extends SprintWorkspaceTask | SprintWorkspaceTaskDetail>(
+  task: T,
+): T {
+  const status = normalizeTaskStatusForStore(task.status)
+  return status === task.status ? task : { ...task, status }
+}
+
+export function normalizeProductBacklogSnapshot(
+  snapshot: ProductBacklogSnapshot,
+): ProductBacklogSnapshot {
+  return {
+    ...snapshot,
+    pbis: snapshot.pbis.map(normalizeBacklogPbi),
+    storiesByPbi: mapRecordLists(snapshot.storiesByPbi, normalizeBacklogStory),
+    tasksByStory: mapRecordLists(snapshot.tasksByStory, normalizeBacklogTask),
+  }
+}
+
+export function normalizeSprintWorkspaceSnapshot(
+  snapshot: SprintWorkspaceSnapshot,
+): SprintWorkspaceSnapshot {
+  return {
+    ...snapshot,
+    stories: snapshot.stories.map(normalizeSprintStory),
+    tasksByStory: mapRecordLists(snapshot.tasksByStory, normalizeSprintTask),
+  }
+}
+
+function mapRecordLists<T>(record: Record<string, T[]>, normalize: (item: T) => T): Record<string, T[]> {
+  const next: Record<string, T[]> = {}
+  for (const [id, list] of Object.entries(record)) {
+    next[id] = list.map(normalize)
+  }
+  return next
+}