feat(plugin): gate pages on companion features

platform_web/api/types.ts

@@ -60,8 +60,11 @@ export interface GameClientBridgePageContractResponse {
   commandTypes?: string[];
   snapshotTypes?: string[];
   queryTemplateKeys?: string[];
+  featureKeys?: string[];
 }
 
+export interface GameClientBridgeFeatureDeclarationResponse { key: string; title: string; permission: string; requiredHandlers?: string[]; requiredEventProducers?: string[]; }
+
 export interface GameClientBridgeCompanionDeclarationResponse {
   profileKey: string;
   configTemplateKey: string;
@@ -85,6 +88,7 @@ export interface GameClientBridgeManifestResponse {
   commandRetentionSeconds: number;
   maxCommands: number;
   pages?: GameClientBridgePageContractResponse[];
+  features?: GameClientBridgeFeatureDeclarationResponse[];
   companion?: GameClientBridgeCompanionDeclarationResponse;
 }
 
@@ -96,14 +100,19 @@ export interface GameClientBridgeProfileDeclarationResponse {
   commandTypes: string[];
   snapshotTypes: string[];
   queryTemplateKeys: string[];
+  handlerTypes?: string[];
+  eventProducerTypes?: string[];
 }
 
+export interface GameClientBridgeFeatureAvailabilityResponse { key: string; available: boolean; reason?: string; }
+
 export interface GameClientBridgeStatusResponse {
   serverInstanceId: string;
   pluginId: string;
   available: boolean;
   reason?: string;
   profiles: GameClientBridgeProfileDeclarationResponse[];
+  features?: GameClientBridgeFeatureAvailabilityResponse[];
 }
 
 export interface GameClientBridgeCommandResultResponse {
@@ -224,6 +233,7 @@ export interface GamePluginPageResponse {
   bundleIntegritySha256?: string;
   permissions: string[];
   bridgeActions?: string[];
+  featureKeys?: string[];
 }
 
 export interface RuntimeDiscoveryProbeResponse {