fix: stabilize canvas local edit controls

components/canvas/nodes/ImageNode.tsx

@@ -2723,9 +2723,6 @@ export function ImageNode({
 
   useEffect(() => {
     if (!isSelected) {
-      if (localEditMode && isLocalEditControlTarget(document.activeElement)) {
-        return;
-      }
       setCropPanelOpen(false);
       setCropRect(null);
       setCropInteraction(null);
@@ -2736,7 +2733,10 @@ export function ImageNode({
       setIsEditingTitle(false);
       setPromptDialogOpen(false);
       resetBoxCutoutState();
-      resetLocalEditState();
+      // 局部编辑有独立的“退出”按钮，避免用户点到浮层或画布边缘时丢失框选与底部操作条。
+      if (!localEditMode) {
+        resetLocalEditState();
+      }
     }
   }, [isSelected, localEditMode, resetBoxCutoutState, resetLocalEditState]);
 
@@ -8520,11 +8520,8 @@ export function ImageNode({
               data-local-edit-control="true"
               key={region.id}
               onClick={(event) => event.stopPropagation()}
-              onClickCapture={(event) => event.stopPropagation()}
               onMouseDown={(event) => event.stopPropagation()}
-              onMouseDownCapture={(event) => event.stopPropagation()}
               onPointerDown={(event) => event.stopPropagation()}
-              onPointerDownCapture={(event) => event.stopPropagation()}
               style={style}
             >
               <div className="flex items-center gap-1.5">
@@ -8756,6 +8753,12 @@ export function ImageNode({
                           event.stopPropagation();
                           removeLocalEditReferenceImage(region.id, reference.id);
                         }}
+                        onPointerDown={(event) => {
+                          event.preventDefault();
+                          event.nativeEvent.stopImmediatePropagation?.();
+                          event.stopPropagation();
+                          removeLocalEditReferenceImage(region.id, reference.id);
+                        }}
                         title="移除参考图"
                         type="button"
                       >
@@ -8770,10 +8773,9 @@ export function ImageNode({
           )
         )}
 
-      {isSelected &&
+      {localEditMode &&
         !isMultiSelected &&
         data.src &&
-        localEditMode &&
         !isThisNodePicking &&
         !isCompareMode &&
         typeof document !== "undefined" &&