diff --git a/test-automation/TASKS.md b/test-automation/TASKS.md
index 8731494..1fb324c 100644
--- a/test-automation/TASKS.md
+++ b/test-automation/TASKS.md
@@ -45,17 +45,18 @@ Konzept: [`docs/ui-testing-automation.md`](./docs/ui-testing-automation.md)
 
 > Alle manual-testing Issues und Feature-Stories als Playwright-Specs.
 
-- [ ] `tests/api/masterdata/customers.spec.ts` – TC-CUS, Issue #65
-- [ ] `tests/api/masterdata/contracts.spec.ts` – TC-B2B, Issue #66
-- [ ] `tests/api/masterdata/articles.spec.ts` – TC-ART, Issue #64
-- [ ] `tests/api/auth/authorization.spec.ts` – TC-AUTH, Issue #67
-- [ ] `tests/api/production/orders.spec.ts` – US-P13–P17, Issues #38–#42
-- [ ] `tests/api/production/batches.spec.ts` – US-P09–P12, Issues #33–#36
-- [ ] `tests/api/production/recipes.spec.ts` – US-P02–P08, Issues #26–#32
-- [ ] `tests/api/production/traceability.spec.ts` – US-P18–P19, Issues #43–#44
-- [ ] `tests/api/inventory/stock.spec.ts` – Story 2.x–6.x, Issues #4–#20
-- [ ] `tests/api/inventory/movements.spec.ts`
-- [ ] `tests/api/inventory/reservations.spec.ts`
+- [x] `tests/api/masterdata/customers.spec.ts` – TC-CUS, Issue #65
+- [x] `tests/api/masterdata/contracts.spec.ts` – TC-B2B, Issue #66
+- [x] `tests/api/masterdata/articles.spec.ts` – TC-ART, Issue #64
+- [x] `tests/api/auth/authorization.spec.ts` – TC-AUTH, Issue #67 (erweitert auf 7 TCs)
+- [x] `tests/api/production/orders.spec.ts` – US-P13–P17, Issues #38–#42
+- [x] `tests/api/production/batches.spec.ts` – US-P09–P12, Issues #33–#36
+- [x] `tests/api/production/recipes.spec.ts` – US-P02–P08, Issues #26–#32
+- [x] `tests/api/production/traceability.spec.ts` – US-P18–P19, Issues #43–#44
+- [x] `tests/api/inventory/stock.spec.ts` – Story 2.x–6.x, Issues #4–#20
+- [x] `tests/api/inventory/movements.spec.ts`
+- [x] `tests/api/inventory/reservations.spec.ts`
+- [x] `tests/api/inventory/inventory-counts.spec.ts`
 - [ ] Test-Generierungs-Skript (`scripts/generate-tests-from-issue.ts`) finalisieren
 - [ ] Skript in `justfile` als `just generate-test <issue-nr>` integrieren
 - [ ] Alle Specs im Docker-Stack grün
diff --git a/test-automation/web-ui/tests/api/auth/authorization.spec.ts b/test-automation/web-ui/tests/api/auth/authorization.spec.ts
index 07a76fd..21da24b 100644
--- a/test-automation/web-ui/tests/api/auth/authorization.spec.ts
+++ b/test-automation/web-ui/tests/api/auth/authorization.spec.ts
@@ -1,7 +1,7 @@
 import { test, expect } from '../../../fixtures/auth.fixture.js';
 
 /**
- * TC-AUTH – Autorisierung Masterdata
+ * TC-AUTH – Autorisierung
  * Quelle: GitHub Issue #67
  */
 test.describe('TC-AUTH: Autorisierung', () => {
@@ -26,5 +26,33 @@ test.describe('TC-AUTH: Autorisierung', () => {
     expect(res.status()).toBe(403);
   });
 
-  // TODO: Weitere ACs aus Issue #67 ergänzen
+  test('TC-AUTH-04: Viewer darf Lieferanten lesen', async ({ request, viewerToken }) => {
+    const res = await request.get('/api/suppliers', {
+      headers: { Authorization: `Bearer ${viewerToken}` },
+    });
+    expect(res.status()).toBe(200);
+  });
+
+  test('TC-AUTH-05: Viewer darf keine Kategorien erstellen', async ({ request, viewerToken }) => {
+    const res = await request.post('/api/categories', {
+      data: { name: `Viewer-Kat-${Date.now()}` },
+      headers: { Authorization: `Bearer ${viewerToken}` },
+    });
+    expect(res.status()).toBe(403);
+  });
+
+  test('TC-AUTH-06: Admin darf Kategorien erstellen', async ({ request, adminToken }) => {
+    const res = await request.post('/api/categories', {
+      data: { name: `AdminKat-${Date.now()}` },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(201);
+  });
+
+  test('TC-AUTH-07: Ungültiges JWT wird abgelehnt', async ({ request }) => {
+    const res = await request.get('/api/suppliers', {
+      headers: { Authorization: 'Bearer invalid.jwt.token' },
+    });
+    expect([401, 403]).toContain(res.status());
+  });
 });
diff --git a/test-automation/web-ui/tests/api/inventory/inventory-counts.spec.ts b/test-automation/web-ui/tests/api/inventory/inventory-counts.spec.ts
new file mode 100644
index 0000000..49a5c7a
--- /dev/null
+++ b/test-automation/web-ui/tests/api/inventory/inventory-counts.spec.ts
@@ -0,0 +1,73 @@
+import { test, expect } from '../../../fixtures/auth.fixture.js';
+
+/**
+ * TC-INV – Inventurzählungen
+ * Quelle: GitHub Issues #4–#20
+ */
+test.describe('TC-INV: Inventurzählungen', () => {
+  async function createStorageLocation(request: Parameters<typeof test>[1]['request'], token: string): Promise<string> {
+    const res = await request.post('/api/inventory/storage-locations', {
+      data: { name: `INV-Lager-${Date.now()}`, storageType: 'DRY_STORAGE' },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const body = await res.json();
+    return body.id;
+  }
+
+  test('TC-INV-01: Inventurzählung anlegen', async ({ request, adminToken }) => {
+    const storageLocationId = await createStorageLocation(request, adminToken);
+
+    const res = await request.post('/api/inventory/inventory-counts', {
+      data: { storageLocationId, countDate: '2026-04-30' },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(201);
+    const body = await res.json();
+    expect(body.status).toBe('PLANNED');
+  });
+
+  test('TC-INV-02: Inventurzählung ohne Lagerort wird abgelehnt', async ({ request, adminToken }) => {
+    const res = await request.post('/api/inventory/inventory-counts', {
+      data: { countDate: '2026-04-30' },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(400);
+  });
+
+  test('TC-INV-03: Inventurzählung starten', async ({ request, adminToken }) => {
+    const storageLocationId = await createStorageLocation(request, adminToken);
+
+    const createRes = await request.post('/api/inventory/inventory-counts', {
+      data: { storageLocationId, countDate: '2026-05-01' },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(createRes.status()).toBe(201);
+    const { id } = await createRes.json();
+
+    const startRes = await request.patch(`/api/inventory/inventory-counts/${id}/start`, {
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(startRes.status()).toBe(200);
+    const body = await startRes.json();
+    expect(body.status).toBe('IN_PROGRESS');
+  });
+
+  test('TC-INV-04: Inventurzählung stornieren', async ({ request, adminToken }) => {
+    const storageLocationId = await createStorageLocation(request, adminToken);
+
+    const createRes = await request.post('/api/inventory/inventory-counts', {
+      data: { storageLocationId, countDate: '2026-05-02' },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(createRes.status()).toBe(201);
+    const { id } = await createRes.json();
+
+    const cancelRes = await request.post(`/api/inventory/inventory-counts/${id}/cancel`, {
+      data: { reason: 'Test-Stornierung' },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(cancelRes.status()).toBe(200);
+    const body = await cancelRes.json();
+    expect(body.status).toBe('CANCELLED');
+  });
+});
diff --git a/test-automation/web-ui/tests/api/inventory/movements.spec.ts b/test-automation/web-ui/tests/api/inventory/movements.spec.ts
new file mode 100644
index 0000000..62a4bd6
--- /dev/null
+++ b/test-automation/web-ui/tests/api/inventory/movements.spec.ts
@@ -0,0 +1,99 @@
+import { test, expect } from '../../../fixtures/auth.fixture.js';
+
+/**
+ * TC-MOV – Warenbewegungen
+ * Quelle: GitHub Issues #4–#20
+ */
+test.describe('TC-MOV: Warenbewegungen', () => {
+  async function setupStockWithBatch(
+    request: Parameters<typeof test>[1]['request'],
+    token: string,
+  ): Promise<{ stockId: string; stockBatchId: string; articleId: string; batchId: string }> {
+    const catRes = await request.post('/api/categories', {
+      data: { name: `MOV-Kat-${Date.now()}` },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const { id: categoryId } = await catRes.json();
+
+    const artRes = await request.post('/api/articles', {
+      data: {
+        name: `MOV-Art-${Date.now()}`,
+        articleNumber: `MOV-${Date.now()}`,
+        categoryId,
+        unit: 'KG',
+        priceModel: 'FIXED',
+        price: 1.0,
+      },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const { id: articleId } = await artRes.json();
+
+    const locRes = await request.post('/api/inventory/storage-locations', {
+      data: { name: `MOV-Lager-${Date.now()}`, storageType: 'DRY_STORAGE' },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const { id: storageLocationId } = await locRes.json();
+
+    const stockRes = await request.post('/api/inventory/stocks', {
+      data: { articleId, storageLocationId },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    expect(stockRes.status()).toBe(201);
+    const { id: stockId } = await stockRes.json();
+
+    const batchId = `B-${Date.now()}`;
+    const batchRes = await request.post(`/api/inventory/stocks/${stockId}/batches`, {
+      data: {
+        batchId,
+        batchType: 'PURCHASED',
+        quantityAmount: '20',
+        quantityUnit: 'KG',
+        expiryDate: '2026-12-31',
+      },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    expect(batchRes.status()).toBe(201);
+    const { id: stockBatchId } = await batchRes.json();
+
+    return { stockId, stockBatchId, articleId, batchId };
+  }
+
+  test('TC-MOV-01: Warenbewegung erfassen – Wareneingang', async ({ request, adminToken }) => {
+    const { stockId, stockBatchId, articleId, batchId } = await setupStockWithBatch(request, adminToken);
+
+    const res = await request.post('/api/inventory/stock-movements', {
+      data: {
+        stockId,
+        articleId,
+        stockBatchId,
+        batchId,
+        batchType: 'PURCHASED',
+        movementType: 'GOODS_RECEIPT',
+        quantityAmount: '5',
+        quantityUnit: 'KG',
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(201);
+    const body = await res.json();
+    expect(body.movementType).toBe('GOODS_RECEIPT');
+  });
+
+  test('TC-MOV-02: Warenbewegung ohne Pflichtfelder wird abgelehnt', async ({ request, adminToken }) => {
+    const res = await request.post('/api/inventory/stock-movements', {
+      data: { movementType: 'GOODS_RECEIPT' },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(400);
+  });
+
+  test('TC-MOV-03: Warenbewegungen nach Stock auflisten', async ({ request, adminToken }) => {
+    const { stockId } = await setupStockWithBatch(request, adminToken);
+
+    const res = await request.get(`/api/inventory/stock-movements?stockId=${stockId}`, {
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(200);
+    expect(Array.isArray(await res.json())).toBe(true);
+  });
+});
diff --git a/test-automation/web-ui/tests/api/inventory/reservations.spec.ts b/test-automation/web-ui/tests/api/inventory/reservations.spec.ts
new file mode 100644
index 0000000..04e2181
--- /dev/null
+++ b/test-automation/web-ui/tests/api/inventory/reservations.spec.ts
@@ -0,0 +1,119 @@
+import { test, expect } from '../../../fixtures/auth.fixture.js';
+
+/**
+ * TC-RES – Lagerreservierungen
+ * Quelle: GitHub Issues #4–#20
+ */
+test.describe('TC-RES: Lagerreservierungen', () => {
+  async function setupStock(
+    request: Parameters<typeof test>[1]['request'],
+    token: string,
+  ): Promise<{ stockId: string }> {
+    const catRes = await request.post('/api/categories', {
+      data: { name: `RES-Kat-${Date.now()}` },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const { id: categoryId } = await catRes.json();
+
+    const artRes = await request.post('/api/articles', {
+      data: {
+        name: `RES-Art-${Date.now()}`,
+        articleNumber: `RES-${Date.now()}`,
+        categoryId,
+        unit: 'KG',
+        priceModel: 'FIXED',
+        price: 2.0,
+      },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const { id: articleId } = await artRes.json();
+
+    const locRes = await request.post('/api/inventory/storage-locations', {
+      data: { name: `RES-Lager-${Date.now()}`, storageType: 'DRY_STORAGE' },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const { id: storageLocationId } = await locRes.json();
+
+    const stockRes = await request.post('/api/inventory/stocks', {
+      data: { articleId, storageLocationId },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    expect(stockRes.status()).toBe(201);
+    const { id: stockId } = await stockRes.json();
+
+    await request.post(`/api/inventory/stocks/${stockId}/batches`, {
+      data: {
+        batchId: `RES-B-${Date.now()}`,
+        batchType: 'PURCHASED',
+        quantityAmount: '100',
+        quantityUnit: 'KG',
+        expiryDate: '2027-06-30',
+      },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+
+    return { stockId };
+  }
+
+  test('TC-RES-01: Reservierung anlegen', async ({ request, adminToken }) => {
+    const { stockId } = await setupStock(request, adminToken);
+
+    const res = await request.post(`/api/inventory/stocks/${stockId}/reservations`, {
+      data: {
+        referenceType: 'PRODUCTION_ORDER',
+        referenceId: `PO-${Date.now()}`,
+        quantityAmount: '10',
+        quantityUnit: 'KG',
+        priority: 'NORMAL',
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(201);
+    const body = await res.json();
+    expect(body.id).toBeTruthy();
+  });
+
+  test('TC-RES-02: Reservierung freigeben', async ({ request, adminToken }) => {
+    const { stockId } = await setupStock(request, adminToken);
+
+    const createRes = await request.post(`/api/inventory/stocks/${stockId}/reservations`, {
+      data: {
+        referenceType: 'PRODUCTION_ORDER',
+        referenceId: `PO-REL-${Date.now()}`,
+        quantityAmount: '5',
+        quantityUnit: 'KG',
+        priority: 'NORMAL',
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(createRes.status()).toBe(201);
+    const { id: reservationId } = await createRes.json();
+
+    const releaseRes = await request.delete(`/api/inventory/stocks/${stockId}/reservations/${reservationId}`, {
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(releaseRes.status()).toBe(204);
+  });
+
+  test('TC-RES-03: Reservierung bestätigen', async ({ request, adminToken }) => {
+    const { stockId } = await setupStock(request, adminToken);
+
+    const createRes = await request.post(`/api/inventory/stocks/${stockId}/reservations`, {
+      data: {
+        referenceType: 'PRODUCTION_ORDER',
+        referenceId: `PO-CONF-${Date.now()}`,
+        quantityAmount: '8',
+        quantityUnit: 'KG',
+        priority: 'HIGH',
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(createRes.status()).toBe(201);
+    const { id: reservationId } = await createRes.json();
+
+    const confirmRes = await request.post(`/api/inventory/stocks/${stockId}/reservations/${reservationId}/confirm`, {
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(confirmRes.status()).toBe(204);
+  });
+});
diff --git a/test-automation/web-ui/tests/api/inventory/stock.spec.ts b/test-automation/web-ui/tests/api/inventory/stock.spec.ts
new file mode 100644
index 0000000..2c378b6
--- /dev/null
+++ b/test-automation/web-ui/tests/api/inventory/stock.spec.ts
@@ -0,0 +1,116 @@
+import { test, expect } from '../../../fixtures/auth.fixture.js';
+
+/**
+ * TC-STOCK – Lagerbestand
+ * Quelle: GitHub Issues #4–#20
+ */
+test.describe('TC-STOCK: Lagerbestand', () => {
+  async function createStorageLocation(request: Parameters<typeof test>[1]['request'], token: string): Promise<string> {
+    const res = await request.post('/api/inventory/storage-locations', {
+      data: { name: `Lager-${Date.now()}`, storageType: 'DRY_STORAGE' },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const body = await res.json();
+    return body.id;
+  }
+
+  async function createArticle(request: Parameters<typeof test>[1]['request'], token: string): Promise<string> {
+    const catRes = await request.post('/api/categories', {
+      data: { name: `ST-Kat-${Date.now()}` },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const { id: categoryId } = await catRes.json();
+    const artRes = await request.post('/api/articles', {
+      data: {
+        name: `ST-Art-${Date.now()}`,
+        articleNumber: `ST-${Date.now()}`,
+        categoryId,
+        unit: 'KG',
+        priceModel: 'FIXED',
+        price: 1.0,
+      },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const { id } = await artRes.json();
+    return id;
+  }
+
+  test('TC-STOCK-01: Lagerort erstellen', async ({ request, adminToken }) => {
+    const res = await request.post('/api/inventory/storage-locations', {
+      data: { name: `Kühlraum-${Date.now()}`, storageType: 'COLD_ROOM', minTemperature: '2', maxTemperature: '8' },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(201);
+    const body = await res.json();
+    expect(body.storageType).toBe('COLD_ROOM');
+  });
+
+  test('TC-STOCK-02: Lagerort ohne Name wird abgelehnt', async ({ request, adminToken }) => {
+    const res = await request.post('/api/inventory/storage-locations', {
+      data: { storageType: 'FREEZER' },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(400);
+  });
+
+  test('TC-STOCK-03: Bestand anlegen', async ({ request, adminToken }) => {
+    const storageLocationId = await createStorageLocation(request, adminToken);
+    const articleId = await createArticle(request, adminToken);
+
+    const res = await request.post('/api/inventory/stocks', {
+      data: { articleId, storageLocationId, minimumLevelAmount: '5', minimumLevelUnit: 'KG' },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(201);
+  });
+
+  test('TC-STOCK-04: Bestand ohne Artikel wird abgelehnt', async ({ request, adminToken }) => {
+    const storageLocationId = await createStorageLocation(request, adminToken);
+    const res = await request.post('/api/inventory/stocks', {
+      data: { storageLocationId },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(400);
+  });
+
+  test('TC-STOCK-05: Batch zum Bestand hinzufügen', async ({ request, adminToken }) => {
+    const storageLocationId = await createStorageLocation(request, adminToken);
+    const articleId = await createArticle(request, adminToken);
+
+    const stockRes = await request.post('/api/inventory/stocks', {
+      data: { articleId, storageLocationId },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(stockRes.status()).toBe(201);
+    const { id: stockId } = await stockRes.json();
+
+    const batchRes = await request.post(`/api/inventory/stocks/${stockId}/batches`, {
+      data: {
+        batchId: `BATCH-${Date.now()}`,
+        batchType: 'PURCHASED',
+        quantityAmount: '10',
+        quantityUnit: 'KG',
+        expiryDate: '2026-12-31',
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(batchRes.status()).toBe(201);
+  });
+
+  test('TC-STOCK-06: Bestände unterhalb Mindestmenge abfragen', async ({ request, adminToken }) => {
+    const res = await request.get('/api/inventory/stocks/below-minimum', {
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(200);
+    expect(Array.isArray(await res.json())).toBe(true);
+  });
+
+  test('TC-STOCK-07: Bestände nach Lagerort filtern', async ({ request, adminToken }) => {
+    const storageLocationId = await createStorageLocation(request, adminToken);
+    const res = await request.get(`/api/inventory/stocks?storageLocationId=${storageLocationId}`, {
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(200);
+    expect(Array.isArray(await res.json())).toBe(true);
+  });
+});
diff --git a/test-automation/web-ui/tests/api/masterdata/articles.spec.ts b/test-automation/web-ui/tests/api/masterdata/articles.spec.ts
new file mode 100644
index 0000000..eb51605
--- /dev/null
+++ b/test-automation/web-ui/tests/api/masterdata/articles.spec.ts
@@ -0,0 +1,116 @@
+import { test, expect } from '../../../fixtures/auth.fixture.js';
+
+/**
+ * TC-ART – Artikel
+ * Quelle: GitHub Issue #64
+ */
+test.describe('TC-ART: Artikel', () => {
+  async function createCategory(request: Parameters<typeof test>[1]['request'], token: string): Promise<string> {
+    const res = await request.post('/api/categories', {
+      data: { name: `ART-Kat-${Date.now()}` },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const body = await res.json();
+    return body.id;
+  }
+
+  test('TC-ART-01: Artikel erstellen – Pflichtfelder', async ({ request, adminToken }) => {
+    const categoryId = await createCategory(request, adminToken);
+    const res = await request.post('/api/articles', {
+      data: {
+        name: `Weizenbrot-${Date.now()}`,
+        articleNumber: `ART-${Date.now()}`,
+        categoryId,
+        unit: 'PIECE_FIXED',
+        priceModel: 'FIXED',
+        price: 2.99,
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(201);
+    const body = await res.json();
+    expect(body.status).toBe('ACTIVE');
+  });
+
+  test('TC-ART-02: Artikel erscheint in Liste nach Erstellung', async ({ request, adminToken }) => {
+    const categoryId = await createCategory(request, adminToken);
+    const name = `ListArt-${Date.now()}`;
+    const articleNumber = `ART-LIST-${Date.now()}`;
+    await request.post('/api/articles', {
+      data: { name, articleNumber, categoryId, unit: 'KG', priceModel: 'FIXED', price: 5.0 },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    const res = await request.get('/api/articles', {
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(200);
+    const body = await res.json();
+    const list = Array.isArray(body) ? body : body.content ?? [];
+    expect(list.some((a: { name: string }) => a.name === name)).toBe(true);
+  });
+
+  test('TC-ART-03: Artikel ohne Name wird abgelehnt', async ({ request, adminToken }) => {
+    const categoryId = await createCategory(request, adminToken);
+    const res = await request.post('/api/articles', {
+      data: { articleNumber: `ART-${Date.now()}`, categoryId, unit: 'KG', priceModel: 'FIXED', price: 1.0 },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(400);
+  });
+
+  test('TC-ART-04: Artikel ohne Artikelnummer wird abgelehnt', async ({ request, adminToken }) => {
+    const categoryId = await createCategory(request, adminToken);
+    const res = await request.post('/api/articles', {
+      data: { name: `NoNumber-${Date.now()}`, categoryId, unit: 'KG', priceModel: 'FIXED', price: 1.0 },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(400);
+  });
+
+  test('TC-ART-05: Artikel deaktivieren', async ({ request, adminToken }) => {
+    const categoryId = await createCategory(request, adminToken);
+    const createRes = await request.post('/api/articles', {
+      data: {
+        name: `Deact-${Date.now()}`,
+        articleNumber: `ART-DEACT-${Date.now()}`,
+        categoryId,
+        unit: 'PIECE_FIXED',
+        priceModel: 'FIXED',
+        price: 1.5,
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(createRes.status()).toBe(201);
+    const { id } = await createRes.json();
+
+    const deactRes = await request.post(`/api/articles/${id}/deactivate`, {
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(deactRes.status()).toBe(200);
+    const body = await deactRes.json();
+    expect(body.status).toBe('INACTIVE');
+  });
+
+  test('TC-ART-06: Verkaufseinheit hinzufügen', async ({ request, adminToken }) => {
+    const categoryId = await createCategory(request, adminToken);
+    const createRes = await request.post('/api/articles', {
+      data: {
+        name: `SalesUnit-${Date.now()}`,
+        articleNumber: `ART-SU-${Date.now()}`,
+        categoryId,
+        unit: 'KG',
+        priceModel: 'FIXED',
+        price: 3.0,
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(createRes.status()).toBe(201);
+    const { id } = await createRes.json();
+
+    const suRes = await request.post(`/api/articles/${id}/sales-units`, {
+      data: { unit: 'HUNDRED_GRAM', priceModel: 'FIXED', price: 0.3 },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(suRes.status()).toBe(201);
+  });
+});
diff --git a/test-automation/web-ui/tests/api/masterdata/categories.spec.ts b/test-automation/web-ui/tests/api/masterdata/categories.spec.ts
index d5acf93..d20de2b 100644
--- a/test-automation/web-ui/tests/api/masterdata/categories.spec.ts
+++ b/test-automation/web-ui/tests/api/masterdata/categories.spec.ts
@@ -6,7 +6,7 @@ import { test, expect } from '../../../fixtures/auth.fixture.js';
  */
 test.describe('TC-CAT: Produktkategorien', () => {
   test('TC-CAT-01: Kategorie erstellen – Happy Path', async ({ request, adminToken }) => {
-    const res = await request.post('/api/product-categories', {
+    const res = await request.post('/api/categories', {
       data: { name: 'Obst & Gemüse', description: 'Frische Produkte' },
       headers: { Authorization: `Bearer ${adminToken}` },
     });
@@ -17,7 +17,7 @@ test.describe('TC-CAT: Produktkategorien', () => {
   });
 
   test('TC-CAT-02: Kategorie erstellen – ohne Beschreibung', async ({ request, adminToken }) => {
-    const res = await request.post('/api/product-categories', {
+    const res = await request.post('/api/categories', {
       data: { name: `Milchprodukte-${Date.now()}` },
       headers: { Authorization: `Bearer ${adminToken}` },
     });
@@ -26,11 +26,11 @@ test.describe('TC-CAT: Produktkategorien', () => {
 
   test('TC-CAT-04: Doppelter Name wird abgelehnt', async ({ request, adminToken }) => {
     const name = `Duplikat-${Date.now()}`;
-    await request.post('/api/product-categories', {
+    await request.post('/api/categories', {
       data: { name },
       headers: { Authorization: `Bearer ${adminToken}` },
     });
-    const res = await request.post('/api/product-categories', {
+    const res = await request.post('/api/categories', {
       data: { name },
       headers: { Authorization: `Bearer ${adminToken}` },
     });
@@ -38,7 +38,7 @@ test.describe('TC-CAT: Produktkategorien', () => {
   });
 
   test('TC-CAT-06: Leerer Name wird abgelehnt', async ({ request, adminToken }) => {
-    const res = await request.post('/api/product-categories', {
+    const res = await request.post('/api/categories', {
       data: { name: '' },
       headers: { Authorization: `Bearer ${adminToken}` },
     });
diff --git a/test-automation/web-ui/tests/api/masterdata/contracts.spec.ts b/test-automation/web-ui/tests/api/masterdata/contracts.spec.ts
new file mode 100644
index 0000000..38a06c8
--- /dev/null
+++ b/test-automation/web-ui/tests/api/masterdata/contracts.spec.ts
@@ -0,0 +1,92 @@
+import { test, expect } from '../../../fixtures/auth.fixture.js';
+
+/**
+ * TC-B2B – Rahmenverträge (Frame Contracts)
+ * Quelle: GitHub Issue #66
+ */
+test.describe('TC-B2B: Rahmenverträge', () => {
+  const baseAddress = {
+    street: 'Handelsweg',
+    houseNumber: '10',
+    postalCode: '20095',
+    city: 'Hamburg',
+    country: 'DE',
+    phone: '+49 40 99999',
+  };
+
+  async function createB2bCustomer(request: Parameters<typeof test>[1]['request'], token: string): Promise<string> {
+    const res = await request.post('/api/customers', {
+      data: { name: `B2B-${Date.now()}`, type: 'B2B', ...baseAddress, paymentDueDays: 30 },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const body = await res.json();
+    return body.id;
+  }
+
+  async function createArticleWithCategory(request: Parameters<typeof test>[1]['request'], token: string): Promise<string> {
+    const catRes = await request.post('/api/categories', {
+      data: { name: `B2B-Kat-${Date.now()}` },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const { id: categoryId } = await catRes.json();
+    const artRes = await request.post('/api/articles', {
+      data: {
+        name: `B2B-Art-${Date.now()}`,
+        articleNumber: `B2B-${Date.now()}`,
+        categoryId,
+        unit: 'KG',
+        priceModel: 'FIXED',
+        price: 4.5,
+      },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const { id } = await artRes.json();
+    return id;
+  }
+
+  test('TC-B2B-01: Rahmenvertrag setzen', async ({ request, adminToken }) => {
+    const customerId = await createB2bCustomer(request, adminToken);
+    const articleId = await createArticleWithCategory(request, adminToken);
+
+    const res = await request.put(`/api/customers/${customerId}/frame-contract`, {
+      data: {
+        validFrom: '2026-01-01',
+        validUntil: '2026-12-31',
+        rhythm: 'WEEKLY',
+        lineItems: [{ articleId, agreedPrice: 4.0, agreedQuantity: 10.0, unit: 'KG' }],
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(200);
+    const body = await res.json();
+    expect(body.frameContract).toBeTruthy();
+  });
+
+  test('TC-B2B-02: Rahmenvertrag ohne Positionen wird abgelehnt', async ({ request, adminToken }) => {
+    const customerId = await createB2bCustomer(request, adminToken);
+
+    const res = await request.put(`/api/customers/${customerId}/frame-contract`, {
+      data: { rhythm: 'WEEKLY', lineItems: [] },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(400);
+  });
+
+  test('TC-B2B-03: Rahmenvertrag entfernen', async ({ request, adminToken }) => {
+    const customerId = await createB2bCustomer(request, adminToken);
+    const articleId = await createArticleWithCategory(request, adminToken);
+
+    await request.put(`/api/customers/${customerId}/frame-contract`, {
+      data: {
+        rhythm: 'MONTHLY',
+        lineItems: [{ articleId, agreedPrice: 3.0 }],
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+
+    const res = await request.delete(`/api/customers/${customerId}/frame-contract`, {
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(204);
+  });
+});
diff --git a/test-automation/web-ui/tests/api/masterdata/customers.spec.ts b/test-automation/web-ui/tests/api/masterdata/customers.spec.ts
new file mode 100644
index 0000000..617de47
--- /dev/null
+++ b/test-automation/web-ui/tests/api/masterdata/customers.spec.ts
@@ -0,0 +1,119 @@
+import { test, expect } from '../../../fixtures/auth.fixture.js';
+
+/**
+ * TC-CUS – Kunden
+ * Quelle: GitHub Issue #65
+ */
+test.describe('TC-CUS: Kunden', () => {
+  const baseAddress = {
+    street: 'Musterstraße',
+    houseNumber: '1',
+    postalCode: '10115',
+    city: 'Berlin',
+    country: 'DE',
+    phone: '+49 30 12345',
+  };
+
+  test('TC-CUS-01: Kunde erstellen – Pflichtfelder (B2C)', async ({ request, adminToken }) => {
+    const res = await request.post('/api/customers', {
+      data: { name: `Müller ${Date.now()}`, type: 'B2C', ...baseAddress },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(201);
+    const body = await res.json();
+    expect(body.status).toBe('ACTIVE');
+    expect(body.type).toBe('B2C');
+  });
+
+  test('TC-CUS-02: B2B-Kunde erstellen', async ({ request, adminToken }) => {
+    const res = await request.post('/api/customers', {
+      data: {
+        name: `B2B GmbH ${Date.now()}`,
+        type: 'B2B',
+        ...baseAddress,
+        contactPerson: 'Max Mustermann',
+        paymentDueDays: 30,
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(201);
+    const body = await res.json();
+    expect(body.type).toBe('B2B');
+  });
+
+  test('TC-CUS-03: Kunde erscheint in Liste nach Erstellung', async ({ request, adminToken }) => {
+    const name = `ListKunde-${Date.now()}`;
+    await request.post('/api/customers', {
+      data: { name, type: 'B2C', ...baseAddress },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    const res = await request.get('/api/customers', {
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(200);
+    const body = await res.json();
+    const list = Array.isArray(body) ? body : body.content ?? [];
+    expect(list.some((c: { name: string }) => c.name === name)).toBe(true);
+  });
+
+  test('TC-CUS-04: Kunde ohne Name wird abgelehnt', async ({ request, adminToken }) => {
+    const res = await request.post('/api/customers', {
+      data: { type: 'B2C', ...baseAddress },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(400);
+  });
+
+  test('TC-CUS-05: Lieferadresse hinzufügen', async ({ request, adminToken }) => {
+    const createRes = await request.post('/api/customers', {
+      data: { name: `DelivAddr-${Date.now()}`, type: 'B2C', ...baseAddress },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(createRes.status()).toBe(201);
+    const { id } = await createRes.json();
+
+    const addrRes = await request.post(`/api/customers/${id}/delivery-addresses`, {
+      data: {
+        label: 'Lager',
+        street: 'Lagerstraße',
+        houseNumber: '5',
+        postalCode: '10117',
+        city: 'Berlin',
+        country: 'DE',
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(addrRes.status()).toBe(201);
+  });
+
+  test('TC-CUS-06: Kunde deaktivieren', async ({ request, adminToken }) => {
+    const createRes = await request.post('/api/customers', {
+      data: { name: `Deact-${Date.now()}`, type: 'B2C', ...baseAddress },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(createRes.status()).toBe(201);
+    const { id } = await createRes.json();
+
+    const deactRes = await request.post(`/api/customers/${id}/deactivate`, {
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(deactRes.status()).toBe(200);
+    const body = await deactRes.json();
+    expect(body.status).toBe('INACTIVE');
+  });
+
+  test('TC-CUS-07: Präferenzen setzen', async ({ request, adminToken }) => {
+    const createRes = await request.post('/api/customers', {
+      data: { name: `Prefs-${Date.now()}`, type: 'B2C', ...baseAddress },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(createRes.status()).toBe(201);
+    const { id } = await createRes.json();
+
+    const prefsRes = await request.put(`/api/customers/${id}/preferences`, {
+      data: { preferences: ['BIO', 'REGIONAL'] },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(prefsRes.status()).toBe(200);
+  });
+});
diff --git a/test-automation/web-ui/tests/api/production/batches.spec.ts b/test-automation/web-ui/tests/api/production/batches.spec.ts
new file mode 100644
index 0000000..a8d0324
--- /dev/null
+++ b/test-automation/web-ui/tests/api/production/batches.spec.ts
@@ -0,0 +1,151 @@
+import { test, expect } from '../../../fixtures/auth.fixture.js';
+
+/**
+ * TC-BAT – Produktionschargen
+ * Quelle: GitHub Issues #33–#36
+ */
+test.describe('TC-BAT: Produktionschargen', () => {
+  async function createActiveRecipe(request: Parameters<typeof test>[1]['request'], token: string): Promise<string> {
+    const catRes = await request.post('/api/categories', {
+      data: { name: `BAT-Kat-${Date.now()}` },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const { id: categoryId } = await catRes.json();
+    const artRes = await request.post('/api/articles', {
+      data: {
+        name: `BAT-Art-${Date.now()}`,
+        articleNumber: `BAT-${Date.now()}`,
+        categoryId,
+        unit: 'KG',
+        priceModel: 'FIXED',
+        price: 1.5,
+      },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const { id: articleId } = await artRes.json();
+
+    const recipeRes = await request.post('/api/recipes', {
+      data: {
+        name: `BAT-Rezept-${Date.now()}`,
+        version: 1,
+        type: 'FINISHED_PRODUCT',
+        outputQuantity: '10',
+        outputUom: 'KG',
+        articleId,
+      },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const { id: recipeId } = await recipeRes.json();
+
+    await request.post(`/api/recipes/${recipeId}/activate`, {
+      headers: { Authorization: `Bearer ${token}` },
+    });
+
+    return recipeId;
+  }
+
+  test('TC-BAT-01: Charge planen – PLANNED Status', async ({ request, adminToken }) => {
+    const recipeId = await createActiveRecipe(request, adminToken);
+    const res = await request.post('/api/production/batches', {
+      data: {
+        recipeId,
+        plannedQuantity: '20',
+        plannedQuantityUnit: 'KG',
+        productionDate: '2026-04-01',
+        bestBeforeDate: '2026-04-08',
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(201);
+    const body = await res.json();
+    expect(body.status).toBe('PLANNED');
+    expect(body.batchNumber).toBeTruthy();
+  });
+
+  test('TC-BAT-02: Charge starten', async ({ request, adminToken }) => {
+    const recipeId = await createActiveRecipe(request, adminToken);
+    const planRes = await request.post('/api/production/batches', {
+      data: {
+        recipeId,
+        plannedQuantity: '5',
+        plannedQuantityUnit: 'KG',
+        productionDate: '2026-04-02',
+        bestBeforeDate: '2026-04-09',
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(planRes.status()).toBe(201);
+    const { id } = await planRes.json();
+
+    const startRes = await request.post(`/api/production/batches/${id}/start`, {
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(startRes.status()).toBe(200);
+    const body = await startRes.json();
+    expect(body.status).toBe('IN_PRODUCTION');
+  });
+
+  test('TC-BAT-03: Charge abschließen', async ({ request, adminToken }) => {
+    const recipeId = await createActiveRecipe(request, adminToken);
+    const planRes = await request.post('/api/production/batches', {
+      data: {
+        recipeId,
+        plannedQuantity: '8',
+        plannedQuantityUnit: 'KG',
+        productionDate: '2026-04-03',
+        bestBeforeDate: '2026-04-10',
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(planRes.status()).toBe(201);
+    const { id } = await planRes.json();
+
+    await request.post(`/api/production/batches/${id}/start`, {
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+
+    const completeRes = await request.post(`/api/production/batches/${id}/complete`, {
+      data: { actualQuantity: '7.5', actualQuantityUnit: 'KG', waste: '0.5', wasteUnit: 'KG' },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(completeRes.status()).toBe(200);
+    const body = await completeRes.json();
+    expect(body.status).toBe('COMPLETED');
+  });
+
+  test('TC-BAT-04: Charge ohne Rezept wird abgelehnt', async ({ request, adminToken }) => {
+    const res = await request.post('/api/production/batches', {
+      data: {
+        plannedQuantity: '10',
+        plannedQuantityUnit: 'KG',
+        productionDate: '2026-04-01',
+        bestBeforeDate: '2026-04-08',
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(400);
+  });
+
+  test('TC-BAT-05: Charge nach Nummer suchen', async ({ request, adminToken }) => {
+    const recipeId = await createActiveRecipe(request, adminToken);
+    const planRes = await request.post('/api/production/batches', {
+      data: {
+        recipeId,
+        plannedQuantity: '3',
+        plannedQuantityUnit: 'KG',
+        productionDate: '2026-04-04',
+        bestBeforeDate: '2026-04-11',
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(planRes.status()).toBe(201);
+    const { batchNumber } = await planRes.json();
+
+    const findRes = await request.get(`/api/production/batches/by-number/${batchNumber}`, {
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(findRes.status()).toBe(200);
+    const body = await findRes.json();
+    expect(body.batchNumber).toBe(batchNumber);
+  });
+});
diff --git a/test-automation/web-ui/tests/api/production/orders.spec.ts b/test-automation/web-ui/tests/api/production/orders.spec.ts
new file mode 100644
index 0000000..3c8ba13
--- /dev/null
+++ b/test-automation/web-ui/tests/api/production/orders.spec.ts
@@ -0,0 +1,132 @@
+import { test, expect } from '../../../fixtures/auth.fixture.js';
+
+/**
+ * TC-ORD – Produktionsaufträge
+ * Quelle: GitHub Issues #38–#42
+ */
+test.describe('TC-ORD: Produktionsaufträge', () => {
+  async function createActiveRecipe(request: Parameters<typeof test>[1]['request'], token: string): Promise<string> {
+    const catRes = await request.post('/api/categories', {
+      data: { name: `ORD-Kat-${Date.now()}` },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const { id: categoryId } = await catRes.json();
+    const artRes = await request.post('/api/articles', {
+      data: {
+        name: `ORD-Art-${Date.now()}`,
+        articleNumber: `ORD-${Date.now()}`,
+        categoryId,
+        unit: 'KG',
+        priceModel: 'FIXED',
+        price: 1.0,
+      },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const { id: articleId } = await artRes.json();
+
+    const recipeRes = await request.post('/api/recipes', {
+      data: {
+        name: `ORD-Rezept-${Date.now()}`,
+        version: 1,
+        type: 'FINISHED_PRODUCT',
+        outputQuantity: '10',
+        outputUom: 'KG',
+        articleId,
+      },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const { id: recipeId } = await recipeRes.json();
+
+    await request.post(`/api/recipes/${recipeId}/activate`, {
+      headers: { Authorization: `Bearer ${token}` },
+    });
+
+    return recipeId;
+  }
+
+  test('TC-ORD-01: Produktionsauftrag erstellen – PLANNED Status', async ({ request, adminToken }) => {
+    const recipeId = await createActiveRecipe(request, adminToken);
+    const res = await request.post('/api/production/production-orders', {
+      data: {
+        recipeId,
+        plannedQuantity: '50',
+        plannedQuantityUnit: 'KG',
+        plannedDate: '2026-05-01',
+        priority: 'NORMAL',
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(201);
+    const body = await res.json();
+    expect(body.status).toBe('PLANNED');
+  });
+
+  test('TC-ORD-02: Auftrag ohne Rezept wird abgelehnt', async ({ request, adminToken }) => {
+    const res = await request.post('/api/production/production-orders', {
+      data: {
+        plannedQuantity: '10',
+        plannedQuantityUnit: 'KG',
+        plannedDate: '2026-05-01',
+        priority: 'NORMAL',
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(400);
+  });
+
+  test('TC-ORD-03: Auftrag freigeben', async ({ request, adminToken }) => {
+    const recipeId = await createActiveRecipe(request, adminToken);
+    const createRes = await request.post('/api/production/production-orders', {
+      data: {
+        recipeId,
+        plannedQuantity: '30',
+        plannedQuantityUnit: 'KG',
+        plannedDate: '2026-05-02',
+        priority: 'HIGH',
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(createRes.status()).toBe(201);
+    const { id } = await createRes.json();
+
+    const releaseRes = await request.post(`/api/production/production-orders/${id}/release`, {
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(releaseRes.status()).toBe(200);
+    const body = await releaseRes.json();
+    expect(body.status).toBe('RELEASED');
+  });
+
+  test('TC-ORD-04: Auftrag stornieren', async ({ request, adminToken }) => {
+    const recipeId = await createActiveRecipe(request, adminToken);
+    const createRes = await request.post('/api/production/production-orders', {
+      data: {
+        recipeId,
+        plannedQuantity: '15',
+        plannedQuantityUnit: 'KG',
+        plannedDate: '2026-05-03',
+        priority: 'LOW',
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(createRes.status()).toBe(201);
+    const { id } = await createRes.json();
+
+    const cancelRes = await request.post(`/api/production/production-orders/${id}/cancel`, {
+      data: { reason: 'Test-Stornierung' },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(cancelRes.status()).toBe(200);
+    const body = await cancelRes.json();
+    expect(body.status).toBe('CANCELLED');
+  });
+
+  test('TC-ORD-05: Aufträge nach Status filtern', async ({ request, adminToken }) => {
+    const res = await request.get('/api/production/production-orders?status=PLANNED', {
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(200);
+    const body = await res.json();
+    expect(Array.isArray(body)).toBe(true);
+  });
+});
diff --git a/test-automation/web-ui/tests/api/production/recipes.spec.ts b/test-automation/web-ui/tests/api/production/recipes.spec.ts
new file mode 100644
index 0000000..7f226b3
--- /dev/null
+++ b/test-automation/web-ui/tests/api/production/recipes.spec.ts
@@ -0,0 +1,141 @@
+import { test, expect } from '../../../fixtures/auth.fixture.js';
+
+/**
+ * TC-REC – Rezepte
+ * Quelle: GitHub Issues #26–#32
+ */
+test.describe('TC-REC: Rezepte', () => {
+  async function createArticle(request: Parameters<typeof test>[1]['request'], token: string): Promise<string> {
+    const catRes = await request.post('/api/categories', {
+      data: { name: `Kat-${Date.now()}` },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const { id: categoryId } = await catRes.json();
+    const artRes = await request.post('/api/articles', {
+      data: {
+        name: `Art-${Date.now()}`,
+        articleNumber: `ART-${Date.now()}`,
+        categoryId,
+        unit: 'KG',
+        priceModel: 'FIXED',
+        price: 2.0,
+      },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const { id } = await artRes.json();
+    return id;
+  }
+
+  test('TC-REC-01: Rezept erstellen – DRAFT Status', async ({ request, adminToken }) => {
+    const articleId = await createArticle(request, adminToken);
+    const res = await request.post('/api/recipes', {
+      data: {
+        name: `Brot-${Date.now()}`,
+        version: 1,
+        type: 'FINISHED_PRODUCT',
+        outputQuantity: '10',
+        outputUom: 'KG',
+        articleId,
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(201);
+    const body = await res.json();
+    expect(body.status).toBe('DRAFT');
+  });
+
+  test('TC-REC-02: Rezept ohne Name wird abgelehnt', async ({ request, adminToken }) => {
+    const articleId = await createArticle(request, adminToken);
+    const res = await request.post('/api/recipes', {
+      data: { version: 1, type: 'FINISHED_PRODUCT', outputQuantity: '10', outputUom: 'KG', articleId },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(400);
+  });
+
+  test('TC-REC-03: Zutat zu Rezept hinzufügen', async ({ request, adminToken }) => {
+    const articleId = await createArticle(request, adminToken);
+    const recipeRes = await request.post('/api/recipes', {
+      data: {
+        name: `Rezept-Zutaten-${Date.now()}`,
+        version: 1,
+        type: 'FINISHED_PRODUCT',
+        outputQuantity: '5',
+        outputUom: 'KG',
+        articleId,
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(recipeRes.status()).toBe(201);
+    const { id: recipeId } = await recipeRes.json();
+
+    const ingredientArticleId = await createArticle(request, adminToken);
+    const ingRes = await request.post(`/api/recipes/${recipeId}/ingredients`, {
+      data: { position: 1, articleId: ingredientArticleId, quantity: '2', uom: 'KG', substitutable: false },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(ingRes.status()).toBe(201);
+  });
+
+  test('TC-REC-04: Rezept aktivieren', async ({ request, adminToken }) => {
+    const articleId = await createArticle(request, adminToken);
+    const recipeRes = await request.post('/api/recipes', {
+      data: {
+        name: `Aktivieren-${Date.now()}`,
+        version: 1,
+        type: 'INTERMEDIATE',
+        outputQuantity: '3',
+        outputUom: 'KG',
+        articleId,
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(recipeRes.status()).toBe(201);
+    const { id: recipeId } = await recipeRes.json();
+
+    const activateRes = await request.post(`/api/recipes/${recipeId}/activate`, {
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(activateRes.status()).toBe(200);
+    const body = await activateRes.json();
+    expect(body.status).toBe('ACTIVE');
+  });
+
+  test('TC-REC-05: Rezept archivieren', async ({ request, adminToken }) => {
+    const articleId = await createArticle(request, adminToken);
+    const recipeRes = await request.post('/api/recipes', {
+      data: {
+        name: `Archiv-${Date.now()}`,
+        version: 1,
+        type: 'RAW_MATERIAL',
+        outputQuantity: '1',
+        outputUom: 'KG',
+        articleId,
+      },
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(recipeRes.status()).toBe(201);
+    const { id: recipeId } = await recipeRes.json();
+
+    await request.post(`/api/recipes/${recipeId}/activate`, {
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+
+    const archiveRes = await request.post(`/api/recipes/${recipeId}/archive`, {
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(archiveRes.status()).toBe(200);
+    const body = await archiveRes.json();
+    expect(body.status).toBe('ARCHIVED');
+  });
+
+  test('TC-REC-06: Rezepte nach Status filtern', async ({ request, adminToken }) => {
+    const res = await request.get('/api/recipes?status=DRAFT', {
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(200);
+    const body = await res.json();
+    const list = Array.isArray(body) ? body : body.content ?? [];
+    expect(Array.isArray(list)).toBe(true);
+  });
+});
diff --git a/test-automation/web-ui/tests/api/production/traceability.spec.ts b/test-automation/web-ui/tests/api/production/traceability.spec.ts
new file mode 100644
index 0000000..c9df3c0
--- /dev/null
+++ b/test-automation/web-ui/tests/api/production/traceability.spec.ts
@@ -0,0 +1,88 @@
+import { test, expect } from '../../../fixtures/auth.fixture.js';
+
+/**
+ * TC-TRACE – Chargen-Rückverfolgung
+ * Quelle: GitHub Issues #43–#44
+ */
+test.describe('TC-TRACE: Chargen-Rückverfolgung', () => {
+  async function createPlannedBatch(request: Parameters<typeof test>[1]['request'], token: string): Promise<{ batchId: string; batchNumber: string }> {
+    const catRes = await request.post('/api/categories', {
+      data: { name: `TRC-Kat-${Date.now()}` },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const { id: categoryId } = await catRes.json();
+
+    const artRes = await request.post('/api/articles', {
+      data: {
+        name: `TRC-Art-${Date.now()}`,
+        articleNumber: `TRC-${Date.now()}`,
+        categoryId,
+        unit: 'KG',
+        priceModel: 'FIXED',
+        price: 2.0,
+      },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const { id: articleId } = await artRes.json();
+
+    const recipeRes = await request.post('/api/recipes', {
+      data: {
+        name: `TRC-Rezept-${Date.now()}`,
+        version: 1,
+        type: 'FINISHED_PRODUCT',
+        outputQuantity: '5',
+        outputUom: 'KG',
+        articleId,
+      },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    const { id: recipeId } = await recipeRes.json();
+
+    await request.post(`/api/recipes/${recipeId}/activate`, {
+      headers: { Authorization: `Bearer ${token}` },
+    });
+
+    const batchRes = await request.post('/api/production/batches', {
+      data: {
+        recipeId,
+        plannedQuantity: '5',
+        plannedQuantityUnit: 'KG',
+        productionDate: '2026-06-01',
+        bestBeforeDate: '2026-06-08',
+      },
+      headers: { Authorization: `Bearer ${token}` },
+    });
+    expect(batchRes.status()).toBe(201);
+    const batch = await batchRes.json();
+    return { batchId: batch.id, batchNumber: batch.batchNumber };
+  }
+
+  test('TC-TRACE-01: Vorwärts-Verfolgung einer Charge', async ({ request, adminToken }) => {
+    const { batchId } = await createPlannedBatch(request, adminToken);
+
+    const res = await request.get(`/api/production/batches/${batchId}/trace-forward`, {
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(200);
+    const body = await res.json();
+    expect(body).toHaveProperty('batchId');
+  });
+
+  test('TC-TRACE-02: Rückwärts-Verfolgung einer Charge', async ({ request, adminToken }) => {
+    const { batchId } = await createPlannedBatch(request, adminToken);
+
+    const res = await request.get(`/api/production/batches/${batchId}/trace-backward`, {
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect(res.status()).toBe(200);
+    const body = await res.json();
+    expect(body).toHaveProperty('batchId');
+  });
+
+  test('TC-TRACE-03: Rückverfolgung einer nicht vorhandenen Charge gibt 404', async ({ request, adminToken }) => {
+    const res = await request.get('/api/production/batches/non-existent-id/trace-forward', {
+      headers: { Authorization: `Bearer ${adminToken}` },
+    });
+    expect([404, 400]).toContain(res.status());
+  });
+});