feat(control): grid snap, NPC context actions, and overlay dim fix

Re-enable users-branch UI, snap session tokens to square/hex grid from the control preview, refine inactive/open-info NPC menus, block marker actions while an effect brush is active, and dim materials/NPC overlays only when they are open.

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

app/renderer/shared/traps/SceneTrapsOverlay.tsx

@@ -21,6 +21,8 @@ type Props = {
   viewport: { x: number; y: number; w: number; h: number } | null;
   /** Пульт: показывать все ловушки + RMB меню. Презентация: только revealed. */
   mode: 'control' | 'presentation';
+  /** На пульте: false — без контекстного меню (например, активна кисть эффектов). */
+  interactive?: boolean;
   onReveal?: (trapId: string) => void;
   onActivate?: (trapId: string) => void;
   onDisarm?: (trapId: string) => void;
@@ -47,6 +49,7 @@ export function SceneTrapsOverlay({
   session,
   viewport,
   mode,
+  interactive = true,
   onReveal,
   onActivate,
   onDisarm,
@@ -54,6 +57,10 @@ export function SceneTrapsOverlay({
   const [menu, setMenu] = useState<{ trapId: string; x: number; y: number } | null>(null);
   const [activationFx, setActivationFx] = useState<ActivationFx | null>(null);
 
+  useEffect(() => {
+    if (!interactive) setMenu(null);
+  }, [interactive]);
+
   useEffect(() => {
     const act = session?.lastActivation;
     if (!act) return;
@@ -112,6 +119,7 @@ export function SceneTrapsOverlay({
           rt.status === 'active' ? styles.trapActive : '',
           rt.status === 'disarmed' ? styles.trapDisarmed : '',
           mode === 'control' && !rt.revealed ? styles.trapGmHidden : '',
+          mode === 'control' && !interactive ? styles.trapNonInteractive : '',
         ]
           .filter(Boolean)
           .join(' ');
@@ -121,7 +129,7 @@ export function SceneTrapsOverlay({
             className={cls}
             style={{ left, top, width: sizePx, height: sizePx }}
             onContextMenu={
-              mode === 'control'
+              mode === 'control' && interactive
                 ? (e) => {
                     e.preventDefault();
                     e.stopPropagation();
@@ -163,7 +171,7 @@ export function SceneTrapsOverlay({
           }}
         />
       ) : null}
-      {menu && mode === 'control'
+      {menu && mode === 'control' && interactive
         ? createPortal(
             <div
               role="menu"