Update Payload dependencies to 3.56.0 and implement DefaultTemplate layout

- Updated all @payloadcms/* dependencies from 3.37.0 to 3.56.0
- Implemented DefaultTemplate from @payloadcms/next/templates with proper props structure
- Fixed TypeScript compilation by adding proper Locale type import
- Feature flags admin interface now wrapped in PayloadCMS default admin layout with navigation sidebar
- Verified build process works with updated dependencies

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

dev/payload-types.ts

@@ -88,7 +88,7 @@ export interface Config {
     'payload-migrations': PayloadMigrationsSelect<false> | PayloadMigrationsSelect<true>;
   };
   db: {
-    defaultIDType: string;
+    defaultIDType: number;
   };
   globals: {};
   globalsSelect: {};
@@ -124,7 +124,7 @@ export interface UserAuthOperations {
  * via the `definition` "posts".
  */
 export interface Post {
-  id: string;
+  id: number;
   title: string;
   content?: {
     root: {
@@ -151,7 +151,7 @@ export interface Post {
  * via the `definition` "pages".
  */
 export interface Page {
-  id: string;
+  id: number;
   title: string;
   slug: string;
   content?: {
@@ -178,7 +178,7 @@ export interface Page {
  * via the `definition` "users".
  */
 export interface User {
-  id: string;
+  id: number;
   name?: string | null;
   role?: ('admin' | 'editor' | 'user') | null;
   updatedAt: string;
@@ -190,6 +190,13 @@ export interface User {
   hash?: string | null;
   loginAttempts?: number | null;
   lockUntil?: string | null;
+  sessions?:
+    | {
+        id: string;
+        createdAt?: string | null;
+        expiresAt: string;
+      }[]
+    | null;
   password?: string | null;
 }
 /**
@@ -197,7 +204,7 @@ export interface User {
  * via the `definition` "media".
  */
 export interface Media {
-  id: string;
+  id: number;
   alt?: string | null;
   updatedAt: string;
   createdAt: string;
@@ -218,7 +225,7 @@ export interface Media {
  * via the `definition` "feature-flags".
  */
 export interface FeatureFlag {
-  id: string;
+  id: number;
   /**
    * Unique identifier for the feature flag
    */
@@ -291,7 +298,7 @@ export interface FeatureFlag {
   /**
    * Team member responsible for this feature flag
    */
-  owner?: (string | null) | User;
+  owner?: (number | null) | User;
   /**
    * Optional expiration date for temporary flags
    */
@@ -308,32 +315,32 @@ export interface FeatureFlag {
  * via the `definition` "payload-locked-documents".
  */
 export interface PayloadLockedDocument {
-  id: string;
+  id: number;
   document?:
     | ({
         relationTo: 'posts';
-        value: string | Post;
+        value: number | Post;
       } | null)
     | ({
         relationTo: 'pages';
-        value: string | Page;
+        value: number | Page;
       } | null)
     | ({
         relationTo: 'users';
-        value: string | User;
+        value: number | User;
       } | null)
     | ({
         relationTo: 'media';
-        value: string | Media;
+        value: number | Media;
       } | null)
     | ({
         relationTo: 'feature-flags';
-        value: string | FeatureFlag;
+        value: number | FeatureFlag;
       } | null);
   globalSlug?: string | null;
   user: {
     relationTo: 'users';
-    value: string | User;
+    value: number | User;
   };
   updatedAt: string;
   createdAt: string;
@@ -343,10 +350,10 @@ export interface PayloadLockedDocument {
  * via the `definition` "payload-preferences".
  */
 export interface PayloadPreference {
-  id: string;
+  id: number;
   user: {
     relationTo: 'users';
-    value: string | User;
+    value: number | User;
   };
   key?: string | null;
   value?:
@@ -366,7 +373,7 @@ export interface PayloadPreference {
  * via the `definition` "payload-migrations".
  */
 export interface PayloadMigration {
-  id: string;
+  id: number;
   name?: string | null;
   batch?: number | null;
   updatedAt: string;
@@ -412,6 +419,13 @@ export interface UsersSelect<T extends boolean = true> {
   hash?: T;
   loginAttempts?: T;
   lockUntil?: T;
+  sessions?:
+    | T
+    | {
+        id?: T;
+        createdAt?: T;
+        expiresAt?: T;
+      };
 }
 /**
  * This interface was referenced by `Config`'s JSON-Schema