feat: redesign CMS and unify German admin UI

collections/Customers.ts

@@ -8,7 +8,7 @@ import { sendEmail } from "@/lib/email/sendBookingEmails";
 
 // Routes through the shared isAdmin check (role === "admin", not just
 // collection === "users") so this stays correct if a non-admin role is ever
-// added to Users — see the comment on isAdmin in access/index.ts.
+// added to Users - see the comment on isAdmin in access/index.ts.
 const isSelfOrAdmin: typeof isAdmin = (args) => {
   const user = args.req.user;
   if (!user) return false;
@@ -21,12 +21,12 @@ const isSelfOrAdmin: typeof isAdmin = (args) => {
 // customer changes their email address: issues a random, single-use,
 // time-limited email-verification token and resets emailVerified to false.
 // Only the token's hash is ever persisted (see emailVerificationTokenHash
-// below) — the plaintext exists only in req.context for the afterChange
+// below) - the plaintext exists only in req.context for the afterChange
 // hook below to email out, and is never written to the database or logged.
 //
 // The email-change case matters because `update` access on this collection
 // is isSelfOrAdmin and the auto-added `email` field carries no field-level
-// access of its own — without this, a customer could verify a throwaway
+// access of its own - without this, a customer could verify a throwaway
 // address once and then repoint `email` at an address they don't own while
 // keeping emailVerified: true (which gates booking-confirmation emails).
 const issueVerificationToken: CollectionBeforeChangeHook = ({ data, originalDoc, operation, req }) => {
@@ -110,7 +110,7 @@ export const Customers: CollectionConfig = {
       label: "Telefonnummer",
       required: false,
       admin: {
-        description: "Optional — für eine spätere Nutzung vorbereitet, aktuell nicht verpflichtend.",
+        description: "Optional - für eine spätere Nutzung vorbereitet, aktuell nicht verpflichtend.",
       },
     },
     {
@@ -118,7 +118,7 @@ export const Customers: CollectionConfig = {
       type: "checkbox",
       label: "E-Mail bestätigt",
       defaultValue: false,
-      // "create" AND "update" must both be locked down — otherwise a
+      // "create" AND "update" must both be locked down - otherwise a
       // customer could simply include emailVerified: true in their own
       // registration or profile request and skip verification entirely.
       access: { create: isAdminFieldLevel, update: isAdminFieldLevel },
@@ -130,7 +130,7 @@ export const Customers: CollectionConfig = {
     {
       name: "emailVerificationTokenHash",
       type: "text",
-      // Never exposed or settable via any API — only the two hooks above
+      // Never exposed or settable via any API - only the two hooks above
       // (running through the trusted Local API) ever touch this field.
       access: { create: () => false, read: () => false, update: () => false },
       admin: { hidden: true },