✨ feat: enhance admin API helpers with CRUD operations for collections and seed data management

- Added functions for creating, updating, deleting, and listing collection entries in admin API.
- Introduced seed data management for consistent test content across tests.
- Updated global setup and teardown processes to ensure seeded content is created and cleaned up.
- Refactored existing tests to utilize seeded content for improved reliability and maintainability.

tests/e2e/home.spec.ts

@@ -1,44 +1,51 @@
-import { test, expect, waitForSpaReady } from "./fixtures"
+import { test, expect, clickSpaLink, waitForSpaReady } from "./fixtures"
+import { SEEDED_TEST_CONTENT } from "../fixtures/test-constants"
 
-test.describe("Home Page", () => {
-    test("should load the start page", async ({ page }) => {
-        await page.goto("/de/")
+test.describe("Seeded Home Page", () => {
+    test("renders the seeded German page with the expected block content", async ({ page }) => {
+        await page.goto(`/de${SEEDED_TEST_CONTENT.home.path}`)
         const lang = await waitForSpaReady(page)
+
         expect(lang).toBe("de")
+        await expect(page.getByRole("heading", { level: 1, name: "Playwright Seed Startseite" })).toBeVisible()
+        await expect(page.locator("[data-block='features'] .feature-card")).toHaveCount(3)
+        await expect(page.locator("[data-block='richtext']")).toContainText(
+            "Dieser Richtext-Block prueft, dass formatierter HTML-Inhalt im SPA gerendert wird."
+        )
+        await expect(page.locator("[data-block='accordion'] button[aria-expanded]").first()).toHaveAttribute(
+            "aria-expanded",
+            "true"
+        )
     })
 
-    test("should have a visible header with navigation", async ({ page }) => {
-        await page.goto("/de/")
+    test("keeps the route stable when switching the language", async ({ page }) => {
+        await page.goto(`/de${SEEDED_TEST_CONTENT.home.path}`)
         await waitForSpaReady(page)
 
         const header = page.locator("header")
         await expect(header).toBeVisible()
-
-        const nav = header.locator("nav")
-        await expect(nav).toBeVisible()
-    })
-
-    test("should have language prefix in URL", async ({ page }) => {
-        await page.goto("/de/")
-        await waitForSpaReady(page)
-        expect(page.url()).toContain("/de")
-    })
-
-    test("should switch language to English", async ({ page }) => {
-        await page.goto("/de/")
+        await header.getByRole("link", { name: "en", exact: true }).click()
         await waitForSpaReady(page)
 
-        // Click on English language link
-        const enLink = page.locator('a[href*="/en"]').first()
-        if (await enLink.isVisible()) {
-            await enLink.click()
-            await page.waitForLoadState("domcontentloaded")
-            expect(page.url()).toContain("/en")
-        }
+        await expect(page).toHaveURL(new RegExp(`/en${SEEDED_TEST_CONTENT.home.path}$`))
+        await expect(page.getByRole("heading", { level: 1, name: "Playwright Seed Home" })).toBeVisible()
     })
 
-    test("should allow skipping directly to main content", async ({ page }) => {
-        await page.goto("/de/")
+    test("navigates to the seeded contact page via SPA CTA and keeps the form usable", async ({ page }) => {
+        await page.goto(`/de${SEEDED_TEST_CONTENT.home.path}`)
+        await waitForSpaReady(page)
+
+        await clickSpaLink(page, "[data-block='hero'] a")
+
+        await expect(page).toHaveURL(new RegExp(`/de${SEEDED_TEST_CONTENT.contact.path}$`))
+        await expect(page.locator("[data-block='contact-form']")).toBeVisible()
+        await expect(page.getByLabel("Name")).toBeVisible()
+        await expect(page.getByLabel("E-Mail")).toBeVisible()
+        await expect(page.locator("textarea[name='message']")).toBeVisible()
+    })
+
+    test("moves focus to the main content via the skip link", async ({ page }) => {
+        await page.goto(`/de${SEEDED_TEST_CONTENT.home.path}`)
         await waitForSpaReady(page)
 
         await page.keyboard.press("Tab")
@@ -50,6 +57,5 @@ test.describe("Home Page", () => {
 
         const mainContent = page.locator("main#main-content")
         await expect(mainContent).toBeFocused()
-        await expect(page).toHaveURL(/#main-content$/)
     })
 })