修正桌面壳分享动作表达

Tauri 桌面分享按钮按剪贴板复制语义展示

Expo 移动分享继续保留系统分享表达

测试和门禁覆盖跨宿主分享文案差异

文档和项目记忆同步 share.open 能力语义

src/components/common/PublishShareModal.test.tsx

@@ -162,7 +162,7 @@ describe('PublishShareModal', () => {
     expect(screen.getByRole('button', { name: '九宫切图' })).toBeTruthy();
   });
 
-  test('uses native host share action inside native app runtime', async () => {
+  test('uses clipboard copy wording for Tauri native host share action', async () => {
     const invoke = vi.fn(
       async (_command: string, args?: Record<string, unknown>) => {
         const request = (args as { request: { id: string } }).request;
@@ -189,11 +189,14 @@ describe('PublishShareModal', () => {
     render(<PublishShareModal open payload={payload} onClose={() => {}} />);
 
     const dialog = screen.getByRole('dialog', { name: '分享给朋友' });
-    fireEvent.click(within(dialog).getByRole('button', { name: '系统分享' }));
+    expect(within(dialog).queryByRole('button', { name: '系统分享' })).toBeNull();
+    fireEvent.click(
+      within(dialog).getByRole('button', { name: '复制分享文案' }),
+    );
 
     await waitFor(() => {
       expect(
-        within(dialog).getByRole('button', { name: '已打开' }),
+        within(dialog).getByRole('button', { name: '已复制' }),
       ).toBeTruthy();
     });
     const rawShareUrl = new URL(buildPublishShareUrl(payload));
@@ -213,6 +216,45 @@ describe('PublishShareModal', () => {
     });
   });
 
+  test('keeps system share wording for Expo native host share action', async () => {
+    window.history.replaceState(
+      null,
+      '',
+      '/?clientRuntime=native_app&hostShell=expo_mobile&hostCapabilities=share.open',
+    );
+    const postMessage = vi.fn((rawMessage: string) => {
+      const request = JSON.parse(rawMessage) as { id: string };
+      window.dispatchEvent(
+        new MessageEvent('message', {
+          data: JSON.stringify({
+            bridge: 'GenarrativeHostBridge',
+            version: 1,
+            id: request.id,
+            ok: true,
+            result: true,
+          }),
+        }),
+      );
+    });
+    window.ReactNativeWebView = {
+      postMessage,
+    };
+
+    render(<PublishShareModal open payload={payload} onClose={() => {}} />);
+
+    const dialog = screen.getByRole('dialog', { name: '分享给朋友' });
+    fireEvent.click(within(dialog).getByRole('button', { name: '系统分享' }));
+
+    await waitFor(() => {
+      expect(
+        within(dialog).getByRole('button', { name: '已打开' }),
+      ).toBeTruthy();
+    });
+    expect(postMessage).toHaveBeenCalledWith(
+      expect.stringContaining('"method":"share.open"'),
+    );
+  });
+
   test('uses native host image export for share card download inside native app runtime', async () => {
     class MockFileReader {
       result: string | ArrayBuffer | null = null;

src/components/common/PublishShareModal.tsx

@@ -28,6 +28,12 @@ type PublishShareModalProps = {
 
 type ActionState = 'idle' | 'success' | 'failed';
 
+type NativeSharePresentation = {
+  idleLabel: string;
+  successLabel: string;
+  failedLabel: string;
+};
+
 function normalizePayloadTitle(payload: PublishShareModalPayload | null) {
   return payload?.title.trim() || '我的作品';
 }
@@ -44,6 +50,24 @@ function resolvePayloadWorkTypeLabel(payload: PublishShareModalPayload | null) {
   return payload?.workTypeLabel?.trim() || '互动作品';
 }
 
+function resolveNativeSharePresentation(
+  hostShell: string | null,
+): NativeSharePresentation {
+  if (hostShell === 'tauri_desktop') {
+    return {
+      idleLabel: '复制分享文案',
+      successLabel: '已复制',
+      failedLabel: '复制失败',
+    };
+  }
+
+  return {
+    idleLabel: '系统分享',
+    successLabel: '已打开',
+    failedLabel: '分享失败',
+  };
+}
+
 /**
  * 发布完成后的通用分享弹窗。
  * 分享事实仍来自公开作品号与 stage；弹窗只负责把它表现成可复制、可下载的分享卡。
@@ -60,7 +84,10 @@ export function PublishShareModal({
   const [nativeShareState, setNativeShareState] =
     useState<ActionState>('idle');
   const resetTimerRef = useRef<number | null>(null);
-  const hostRuntimeKind = getHostRuntime().kind;
+  const hostRuntime = getHostRuntime();
+  const hostRuntimeKind = hostRuntime.kind;
+  const hostShell = hostRuntime.hostShell;
+  const nativeSharePresentation = resolveNativeSharePresentation(hostShell);
   const shareCopyUrl = useMemo(
     () =>
       payload
@@ -230,10 +257,10 @@ export function PublishShareModal({
                 <Share2 className="h-4 w-4" />
               )}
               {nativeShareState === 'success'
-                ? '已打开'
+                ? nativeSharePresentation.successLabel
                 : nativeShareState === 'failed'
-                  ? '分享失败'
-                  : '系统分享'}
+                  ? nativeSharePresentation.failedLabel
+                  : nativeSharePresentation.idleLabel}
             </button>
           ) : null}
           <button