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/EditorApp.tsx

@@ -2,6 +2,7 @@ import React, { startTransition, useCallback, useEffect, useMemo, useRef, useSta
 import { createPortal } from 'react-dom';
 
 import { moveSceneInListOrder, reconcileSceneListOrder } from '../../shared/graph/sceneListOrder';
+import { USERS_BRANCH_FEATURES_ENABLED } from '../../shared/features/usersBranchFeatures';
 import type {
   NpcImportResolution,
   SceneImportResolution,
@@ -841,6 +842,7 @@ export function EditorApp() {
                   {t('top.file')}
                 </button>
               ) : null}
+              {USERS_BRANCH_FEATURES_ENABLED ? (
               <button
                 type="button"
                 data-testid="players-header-btn"
@@ -858,6 +860,7 @@ export function EditorApp() {
               >
                 {t('top.players')}
               </button>
+              ) : null}
             </div>
             <div className={styles.flex1} />
             {appVersionText ? (
@@ -868,6 +871,7 @@ export function EditorApp() {
             <div className={styles.headerActions}>
               {state.project ? (
                 <>
+                  {USERS_BRANCH_FEATURES_ENABLED ? (
                   <div
                     ref={runSplitRef}
                     className={styles.splitRun}
@@ -917,6 +921,19 @@ export function EditorApp() {
                       </svg>
                     </button>
                   </div>
+                  ) : (
+                    <Button
+                      variant="primary"
+                      disabled={runDisabled || launching}
+                      data-testid="run-main-btn"
+                      onClick={() => {
+                        if (!licenseActive || !graphStartGraphNodeId || launching) return;
+                        launchFromGraphNode(graphStartGraphNodeId);
+                      }}
+                    >
+                      {t('top.run')}
+                    </Button>
+                  )}
                   {runDisabled ? (
                     <Button
                       variant="ghost"
@@ -1620,16 +1637,20 @@ export function EditorApp() {
         }}
       />
       <CheckUpdatesModal open={checkUpdatesOpen} onClose={() => setCheckUpdatesOpen(false)} />
-      <PlayersManagerModal open={playersManagerOpen} onClose={() => setPlayersManagerOpen(false)} />
-      <LaunchPlayersModal
-        open={launchPlayersOpen}
-        onClose={() => setLaunchPlayersOpen(false)}
-        onConfirm={(playerIds) => {
-          if (!graphStartGraphNodeId) return;
-          launchFromGraphNode(graphStartGraphNodeId, playerIds);
-        }}
-      />
-      {runMenuOpen && runMenuPos
+      {USERS_BRANCH_FEATURES_ENABLED ? (
+        <>
+          <PlayersManagerModal open={playersManagerOpen} onClose={() => setPlayersManagerOpen(false)} />
+          <LaunchPlayersModal
+            open={launchPlayersOpen}
+            onClose={() => setLaunchPlayersOpen(false)}
+            onConfirm={(playerIds) => {
+              if (!graphStartGraphNodeId) return;
+              launchFromGraphNode(graphStartGraphNodeId, playerIds);
+            }}
+          />
+        </>
+      ) : null}
+      {USERS_BRANCH_FEATURES_ENABLED && runMenuOpen && runMenuPos
         ? createPortal(
             <div
               data-runmenu-root="1"