feat: implement AGB History with dynamic CMS fetching

src/payload/collections/Agbs.ts

@@ -0,0 +1,49 @@
+import { CollectionConfig } from 'payload';
+
+export const Agbs: CollectionConfig = {
+  slug: 'agbs-collection',
+  admin: {
+    useAsTitle: 'title',
+    defaultColumns: ['title', 'versionDate', 'updatedAt'],
+    group: 'Rechtliches',
+  },
+  access: {
+    read: () => true,
+  },
+  fields: [
+    {
+      name: 'title',
+      type: 'text',
+      required: true,
+      localized: true,
+      label: 'Titel (z.B. AGB April 2026)',
+    },
+    {
+      name: 'versionDate',
+      type: 'date',
+      required: true,
+      label: 'Gültig ab',
+      admin: {
+        date: {
+          pickerAppearance: 'dayOnly',
+        },
+      },
+    },
+    {
+      name: 'file',
+      type: 'upload',
+      relationTo: 'media',
+      required: true,
+      label: 'PDF Datei',
+    },
+    {
+      name: 'isCurrent',
+      type: 'checkbox',
+      label: 'Aktuelle Version',
+      defaultValue: false,
+      admin: {
+        position: 'sidebar',
+      },
+    },
+  ],
+};