feat(server): entitlement based model (#14996)

#### PR Dependency Tree


* **PR #14996** 👈

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## Summary by CodeRabbit

* **New Features**
  * Admin mutations to grant/revoke commercial entitlements.
  * New Doc comment-update permission.
  * Realtime user/workspace quota-state endpoints and live-update rooms.

* **Bug Fixes**
  * More accurate readable-doc filtering and permission evaluation.

* **Refactor**
* Workspace feature management moved to entitlement-based model;
permission and quota pipelines redesigned.
  * Admin workspace UI now edits flags only (feature toggles removed).

* **Tests**
* Extensive new and updated tests for permissions, entitlements, quota,
projection, and backfills.

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packages/backend/server/src/plugins/payment/resolver.ts

@@ -27,7 +27,7 @@ import {
   WorkspaceIdRequiredToUpdateTeamSubscription,
 } from '../../base';
 import { CurrentUser, Public } from '../../core/auth';
-import { AccessController } from '../../core/permission';
+import { PermissionAccess } from '../../core/permission';
 import { UserType } from '../../core/user';
 import { WorkspaceType } from '../../core/workspaces';
 import { Invoice, Subscription, WorkspaceSubscriptionManager } from './manager';
@@ -665,7 +665,7 @@ export class WorkspaceSubscriptionResolver {
   constructor(
     private readonly service: WorkspaceSubscriptionManager,
     private readonly db: PrismaClient,
-    private readonly ac: AccessController
+    private readonly ac: PermissionAccess
   ) {}
 
   @ResolveField(() => SubscriptionType, {