fix(ios): clean up gesture recognizer targets on sheet dismiss

ios/TrueSheetViewController.mm

@@ -242,6 +242,10 @@ - (void)viewDidAppear:(BOOL)animated {
 
     [self setupGestureRecognizer];
     _isPresented = YES;
+  } else {
+    // Re-attach gesture handlers that were cleaned up in viewWillDisappear
+    // (e.g. when a child sheet was presented on top and is now dismissed)
+    [self setupGestureRecognizer];
   }
 }
 
@@ -274,6 +278,10 @@ - (void)emitDidDismissEvents {
 - (void)viewWillDisappear:(BOOL)animated {
   [super viewWillDisappear:animated];
 
+  // Remove gesture handler targets before the view disappears to prevent
+  // orphaned handlers from blocking scroll on the presenting view controller.
+  [self cleanupGestureRecognizer];
+
   // Dispatch to allow pan gesture to set _isDragging before checking
   // handleTransitionTracker will emit when sheet is transitioning to dismiss
   dispatch_async(dispatch_get_main_queue(), ^{
@@ -377,6 +385,24 @@ - (void)setupGestureRecognizer {
   }
 }
 
+- (void)cleanupGestureRecognizer {
+  UIView *presentedView = self.presentedView;
+  if (!presentedView)
+    return;
+
+  [GestureUtil detachPanGestureHandler:presentedView target:self selector:@selector(handlePanGesture:)];
+
+  TrueSheetContentView *contentView = [self findContentView:presentedView];
+  if (contentView) {
+    RCTScrollViewComponentView *scrollViewComponent = [contentView findScrollView];
+    if (scrollViewComponent && scrollViewComponent.scrollView) {
+      [GestureUtil detachPanGestureHandler:scrollViewComponent.scrollView
+                                    target:self
+                                  selector:@selector(handlePanGesture:)];
+    }
+  }
+}
+
 - (void)setupDraggable {
   UIView *presentedView = self.presentedView;
   if (!presentedView)

ios/utils/GestureUtil.h

@@ -20,6 +20,14 @@ NS_ASSUME_NONNULL_BEGIN
  */
 + (void)attachPanGestureHandler:(UIView *)view target:(id)target selector:(SEL)selector;
 
+/**
+ * Detaches a pan gesture handler from all pan gesture recognizers on a view
+ * @param view The view whose pan gesture recognizers to detach from
+ * @param target The target object to remove
+ * @param selector The selector to remove
+ */
++ (void)detachPanGestureHandler:(UIView *)view target:(id)target selector:(SEL)selector;
+
 /**
  * Enables or disables all pan gesture recognizers on a view
  * @param view The view whose pan gesture recognizers to enable/disable

ios/utils/GestureUtil.mm

@@ -23,6 +23,19 @@ + (void)attachPanGestureHandler:(UIView *)view target:(id)target selector:(SEL)s
   }
 }
 
++ (void)detachPanGestureHandler:(UIView *)view target:(id)target selector:(SEL)selector {
+  if (!view || !target || !selector) {
+    return;
+  }
+
+  for (UIGestureRecognizer *recognizer in view.gestureRecognizers ?: @[]) {
+    if ([recognizer isKindOfClass:[UIPanGestureRecognizer class]]) {
+      UIPanGestureRecognizer *panGesture = (UIPanGestureRecognizer *)recognizer;
+      [panGesture removeTarget:target action:selector];
+    }
+  }
+}
+
 + (void)setPanGesturesEnabled:(BOOL)enabled forView:(UIView *)view {
   if (!view) {
     return;