feat(core): improve byok ux (#15303)

fix #15265

#### PR Dependency Tree


* **PR #15303** 👈

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packages/common/graphql/src/graphql/index.ts

@@ -3060,6 +3060,7 @@ export const workspaceByokSettingsQuery = {
       allowedProviders
       localStorageSupported
       customEndpointSupported
+      privateEndpointSupported
       hasAiPlan
       keys {
         id

packages/common/graphql/src/graphql/workspace-byok-settings.gql

@@ -10,6 +10,7 @@ query workspaceByokSettings($id: String!, $from: DateTime!, $to: DateTime!) {
       allowedProviders
       localStorageSupported
       customEndpointSupported
+      privateEndpointSupported
       hasAiPlan
       keys {
         id

packages/common/graphql/src/schema.ts

@@ -3569,6 +3569,7 @@ export interface WorkspaceByokSettingsType {
   keys: Array<WorkspaceByokKeyConfigType>;
   localEntitled: Scalars['Boolean']['output'];
   localStorageSupported: Scalars['Boolean']['output'];
+  privateEndpointSupported: Scalars['Boolean']['output'];
   serverEntitled: Scalars['Boolean']['output'];
   warnings: Array<WorkspaceByokCapabilityWarningType>;
   workspaceId: Scalars['String']['output'];
@@ -7784,6 +7785,7 @@ export type WorkspaceByokSettingsQuery = {
       allowedProviders: Array<ByokProvider>;
       localStorageSupported: boolean;
       customEndpointSupported: boolean;
+      privateEndpointSupported: boolean;
       hasAiPlan: boolean;
       keys: Array<{
         __typename?: 'WorkspaceByokKeyConfigType';