拆分规则阻断与搜索未命中状态弹窗

CustomWorldEntityCatalog 改用共享状态弹窗承接 minimum-playable 提示
PlatformEntryFlowShellImpl 将公开编号搜索未命中分支改用共享状态弹窗
保留命中用户摘要弹层布局并补充相关测试与文档记录

src/components/CustomWorldEntityCatalog.tsx

@@ -29,6 +29,7 @@ import { PlatformMediaFrame } from './common/PlatformMediaFrame';
 import { PlatformPillBadge } from './common/PlatformPillBadge';
 import { PlatformProgressBar } from './common/PlatformProgressBar';
 import { PlatformStatGrid } from './common/PlatformStatGrid';
+import { PlatformStatusDialog } from './common/PlatformStatusDialog';
 import { PlatformStatusMessage } from './common/PlatformStatusMessage';
 import { PlatformSubpanel } from './common/PlatformSubpanel';
 import { PlatformTextField } from './common/PlatformTextField';
@@ -934,20 +935,10 @@ export function CustomWorldEntityCatalog({
   };
 
   const confirmDialogConfig = (() => {
-    if (!confirmState) {
+    if (!confirmState || confirmState.kind === 'minimum-playable') {
       return null;
     }
 
-    if (confirmState.kind === 'minimum-playable') {
-      return {
-        title: '无法删除',
-        confirmLabel: '知道了',
-        confirmTone: 'primary' as const,
-        showCancel: false,
-        body: '至少保留一个可扮演角色，才能正常进入自定义世界。',
-      };
-    }
-
     if (confirmState.kind === 'delete-playable') {
       return {
         title: '删除角色',
@@ -1450,11 +1441,24 @@ export function CustomWorldEntityCatalog({
           confirmLabel={confirmDialogConfig.confirmLabel}
           confirmTone={confirmDialogConfig.confirmTone}
           showCancel={confirmDialogConfig.showCancel}
-          closeOnBackdrop={confirmState?.kind !== 'minimum-playable'}
         >
           {confirmDialogConfig.body}
         </UnifiedConfirmDialog>
       ) : null}
+      {confirmState?.kind === 'minimum-playable' ? (
+        <PlatformStatusDialog
+          status="error"
+          title="无法删除"
+          description="至少保留一个可扮演角色，才能正常进入自定义世界。"
+          onClose={closeConfirmDialog}
+          closeOnBackdrop={false}
+          action={{
+            label: '知道了',
+            onClick: closeConfirmDialog,
+            surface: 'platform',
+          }}
+        />
+      ) : null}
     </div>
   );
 }