Add gamePlayClientId.ts to module and test exclusions

scripts/vite-retired-css-plugin.test.ts

@@ -221,6 +221,7 @@ describe('retired creation template module boundary plugin', () => {
       'src/persistence/storage.ts',
       'src/routing/activeAppRoutes.tsx',
       'src/services/apiClient.ts',
+      'src/services/gamePlayClientId.ts',
     ]) {
       expect(isRetiredFrontendModuleId(workspacePath(path))).toBe(false);
     }
@@ -271,6 +272,7 @@ describe('retired frontend ESLint boundary', () => {
       'src/persistence/storage.ts',
       'src/routing/activeAppRoutes.tsx',
       'src/services/apiClient.ts',
+      'src/services/gamePlayClientId.ts',
     ]) {
       await expect(eslint.isPathIgnored(path)).resolves.toBe(false);
     }

vite.config.ts

@@ -88,6 +88,7 @@ const ACTIVE_TOP_LEVEL_SOURCE_MODULES = new Map<string, ReadonlySet<string>>([
       'clipboard.ts',
       'frontendRuntimeConfigService.ts',
       'gameDistributionClient.ts',
+      'gamePlayClientId.ts',
       'sseStream.ts',
     ]),
   ],