feat(ContentSelection): 添加临时选中选项以优化选择交互

在内容选择组件中引入临时选中选项(tempSelectedOptions)，避免直接修改选中状态。用户确认时才更新实际选中选项，提供更流畅的选择体验并防止误操作。

Cunkebao/src/components/ContentSelection/index.tsx

@@ -53,6 +53,9 @@ export default function ContentSelection({
   const [totalPages, setTotalPages] = useState(1);
   const [totalLibraries, setTotalLibraries] = useState(0);
   const [loading, setLoading] = useState(false);
+  const [tempSelectedOptions, setTempSelectedOptions] = useState<ContentItem[]>(
+    [],
+  );
 
   // 删除已选内容库
   const handleRemoveLibrary = (id: number) => {
@@ -72,6 +75,8 @@ export default function ContentSelection({
     if (readonly) return;
     setCurrentPage(1);
     setSearchQuery("");
+    // 复制一份selectedOptions到临时变量
+    setTempSelectedOptions([...selectedOptions]);
     setRealVisible(true);
     fetchLibraries(1, "");
   };
@@ -120,10 +125,10 @@ export default function ContentSelection({
   // 处理内容库选择
   const handleLibraryToggle = (library: ContentItem) => {
     if (readonly) return;
-    const newSelected = selectedOptions.some(c => c.id === library.id)
-      ? selectedOptions.filter(c => c.id !== library.id)
-      : [...selectedOptions, library];
-    onSelect(newSelected);
+    const newSelected = tempSelectedOptions.some(c => c.id === library.id)
+      ? tempSelectedOptions.filter(c => c.id !== library.id)
+      : [...tempSelectedOptions, library];
+    setTempSelectedOptions(newSelected);
   };
 
   // 获取显示文本
@@ -134,8 +139,10 @@ export default function ContentSelection({
 
   // 确认选择
   const handleConfirm = () => {
+    // 用户点击确认时，才更新实际的selectedOptions
+    onSelect(tempSelectedOptions);
     if (onConfirm) {
-      onConfirm(selectedOptions);
+      onConfirm(tempSelectedOptions);
     }
     setRealVisible(false);
   };
@@ -243,7 +250,7 @@ export default function ContentSelection({
               currentPage={currentPage}
               totalPages={totalPages}
               loading={loading}
-              selectedCount={selectedOptions.length}
+              selectedCount={tempSelectedOptions.length}
               onPageChange={setCurrentPage}
               onCancel={() => setRealVisible(false)}
               onConfirm={handleConfirm}
@@ -260,7 +267,9 @@ export default function ContentSelection({
                 {libraries.map(item => (
                   <label key={item.id} className={style.libraryItem}>
                     <Checkbox
-                      checked={selectedOptions.map(c => c.id).includes(item.id)}
+                      checked={tempSelectedOptions
+                        .map(c => c.id)
+                        .includes(item.id)}
                       onChange={() => !readonly && handleLibraryToggle(item)}
                       disabled={readonly}
                       className={style.checkboxWrapper}