chore(release): gate users-branch features for hotfix

Add USERS_BRANCH_FEATURES_ENABLED (off by default) to hide Players library, session tokens, and related UI while keeping the preview import fix. Restore primary Run button when the flag is off.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/renderer/editor/help/helpSections.ts

@@ -1,5 +1,7 @@
 /** Порядок разделов в окне «Инструкция». */
-export const HELP_SECTION_IDS = [
+import { USERS_BRANCH_FEATURES_ENABLED } from '../../../shared/features/usersBranchFeatures';
+
+const HELP_SECTION_IDS_ALL = [
   'overview',
   'license',
   'projects',
@@ -25,7 +27,11 @@ export const HELP_SECTION_IDS = [
   'settings',
 ] as const;
 
-export type HelpSectionId = (typeof HELP_SECTION_IDS)[number];
+export type HelpSectionId = (typeof HELP_SECTION_IDS_ALL)[number];
+
+export const HELP_SECTION_IDS: readonly HelpSectionId[] = USERS_BRANCH_FEATURES_ENABLED
+  ? HELP_SECTION_IDS_ALL
+  : HELP_SECTION_IDS_ALL.filter((id) => id !== 'players');
 
 export function helpSectionTitleKey(id: HelpSectionId): string {
   return `help.section.${id}.title`;