feat(effects): add Closing brush as inverse of Opening brush

Allow covering revealed darkness again during darkened scene sessions.

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

app/renderer/control/ControlApp.tsx

@@ -197,6 +197,7 @@ export function ControlApp() {
       | 'explosion'
       | 'freeze'
       | 'exploreBrush'
+      | 'closeBrush'
       | 'eraser';
     startN?: { x: number; y: number };
     points?: { x: number; y: number; tMs: number }[];
@@ -1055,10 +1056,17 @@ export function ControlApp() {
       draftPaintRafRef.current = 0;
       pushDraftToPixi();
       const b = brushRef.current;
-      if (b?.tool === 'exploreBrush' && b.points) {
+      if (
+        (b?.tool === 'exploreBrush' || b?.tool === 'closeBrush') &&
+        b.points
+      ) {
         void sd.dispatch({
           kind: 'draft.set',
-          draft: { points: b.points, radiusN: toolRef.current.radiusN },
+          draft: {
+            points: b.points,
+            radiusN: toolRef.current.radiusN,
+            mode: b.tool === 'closeBrush' ? 'cover' : 'reveal',
+          },
         });
       }
     });
@@ -1207,7 +1215,11 @@ export function ControlApp() {
         },
       });
     }
-    if (b.tool === 'exploreBrush' && b.points && b.points.length > 0) {
+    if (
+      (b.tool === 'exploreBrush' || b.tool === 'closeBrush') &&
+      b.points &&
+      b.points.length > 0
+    ) {
       await sd.dispatch({
         kind: 'stroke.add',
         stroke: {
@@ -1216,6 +1228,7 @@ export function ControlApp() {
           createdAtMs,
           points: b.points,
           radiusN: tool.radiusN,
+          mode: b.tool === 'closeBrush' ? 'cover' : 'reveal',
         },
       });
     }
@@ -1619,6 +1632,15 @@ export function ControlApp() {
                     >
                       <span className={styles.iconGlyph}>🔦</span>
                     </Button>
+                    <Button
+                      variant={tool.tool === 'closeBrush' ? 'primary' : 'ghost'}
+                      iconOnly
+                      title={t('control.closerBrush')}
+                      ariaLabel={t('control.closerBrush')}
+                      onClick={() => selectEffectTool('closeBrush')}
+                    >
+                      <span className={styles.iconGlyph}>⬛</span>
+                    </Button>
                   </div>
                 </div>
               ) : null}
@@ -1850,12 +1872,13 @@ export function ControlApp() {
                     if (tool.tool === 'water' || tool.tool === 'rain') {
                       extinguishFireAlong([startPt]);
                     }
-                    if (tool.tool === 'exploreBrush') {
+                    if (tool.tool === 'exploreBrush' || tool.tool === 'closeBrush') {
                       void sd.dispatch({
                         kind: 'draft.set',
                         draft: {
                           points: [startPt],
                           radiusN: tool.radiusN,
+                          mode: tool.tool === 'closeBrush' ? 'cover' : 'reveal',
                         },
                       });
                     }
@@ -1932,7 +1955,10 @@ export function ControlApp() {
                       scenePanRef.current = null;
                       return;
                     }
-                    if (brushRef.current?.tool === 'exploreBrush') {
+                    if (
+                      brushRef.current?.tool === 'exploreBrush' ||
+                      brushRef.current?.tool === 'closeBrush'
+                    ) {
                       void sd.dispatch({ kind: 'draft.set', draft: null });
                     }
                     brushRef.current = null;

app/renderer/control/controlApp.effectsPanel.test.ts

@@ -87,6 +87,9 @@ void test('ControlApp: эффекты в пульте, иконки с тулт
   assert.ok(src.includes("t('control.actionEffects')"));
   assert.ok(src.includes("t('control.darknessControl')"));
   assert.ok(src.includes("t('control.explorerBrush')"));
+  assert.ok(src.includes("t('control.closerBrush')"));
+  assert.ok(src.includes("tool: 'closeBrush'") || src.includes("selectEffectTool('closeBrush')"));
+  assert.ok(src.includes("mode: b.tool === 'closeBrush' ? 'cover' : 'reveal'") || src.includes("'cover'"));
   assert.ok(src.includes('SceneDarknessOverlay'));
   assert.ok(src.includes('useSceneDarknessState'));
   assert.ok(src.includes("t('control.sunbeam')"));