feat: redesign CMS and unify German admin UI

fields/seo.ts

@@ -1,7 +1,7 @@
 import type { Field } from "payload";
 
 /**
- * Reusable, always-optional SEO field group — added to every public-facing
+ * Reusable, always-optional SEO field group - added to every public-facing
  * collection/global. Never required: every consumer falls back to a
  * sensible, automatically derived value when a field is left empty (see
  * lib/seo/resolve.ts), per the "SEO fields are optional with fallbacks"
@@ -12,7 +12,7 @@ export function seoFields(): Field {
     type: "collapsible",
     label: "SEO",
     admin: {
-      description: "Optional — wird automatisch aus dem Inhalt abgeleitet, wenn hier nichts eingetragen ist.",
+      description: "Optional - wird automatisch aus dem Inhalt abgeleitet, wenn hier nichts eingetragen ist.",
     },
     fields: [
       {

fields/slug.ts

@@ -20,7 +20,7 @@ export function slugField(sourceField = "title"): Field {
   return {
     name: "slug",
     type: "text",
-    label: "Slug (URL)",
+    label: "URL-Kürzel",
     unique: true,
     index: true,
     admin: {