合并分享链路重构到主分支

合入通用作品分享卡片与小程序直达路径
合入推荐页当前作品系统分享参数同步
合入小程序九宫切图与相关测试

# Conflicts:
#	.hermes/shared-memory/decision-log.md
#	docs/【开发运维】本地开发验证与生产运维-2026-05-15.md
#	docs/【玩法创作】平台入口与玩法链路-2026-05-15.md
#	src/components/custom-world-home/CustomWorldCreationHub.tsx
#	src/components/platform-entry/PlatformEntryFlowShellImpl.test.ts
#	src/components/platform-entry/PlatformEntryFlowShellImpl.tsx
#	src/components/rpg-entry/RpgEntryHomeView.tsx

src/services/wechatMiniProgramShareTarget.test.ts

@@ -0,0 +1,66 @@
+/* @vitest-environment jsdom */
+
+import { afterEach, describe, expect, test, vi } from 'vitest';
+
+import {
+  buildWechatMiniProgramShareTargetMessage,
+  postWechatMiniProgramShareTarget,
+} from './wechatMiniProgramShareTarget';
+
+afterEach(() => {
+  vi.restoreAllMocks();
+  Reflect.deleteProperty(window, 'wx');
+  window.history.replaceState(null, '', '/');
+});
+
+describe('wechatMiniProgramShareTarget', () => {
+  test('builds a compact share target message for mini program native share', () => {
+    expect(
+      buildWechatMiniProgramShareTargetMessage({
+        targetPath: '/works/detail',
+        work: ' BB-12345678 ',
+        title: ' 汪汪声浪 ',
+      }),
+    ).toEqual({
+      type: 'genarrative:share-target',
+      payload: {
+        targetPath: '/works/detail',
+        work: 'BB-12345678',
+        title: '汪汪声浪',
+      },
+    });
+  });
+
+  test('posts the current recommended work to mini program web-view host', () => {
+    const postMessage = vi.fn();
+    window.history.replaceState(
+      null,
+      '',
+      '/?clientRuntime=wechat_mini_program',
+    );
+    window.wx = {
+      miniProgram: {
+        postMessage,
+      },
+    };
+
+    expect(
+      postWechatMiniProgramShareTarget({
+        targetPath: '/works/detail',
+        work: 'BB-12345678',
+        title: '汪汪声浪',
+      }),
+    ).toBe(true);
+
+    expect(postMessage).toHaveBeenCalledWith({
+      data: {
+        type: 'genarrative:share-target',
+        payload: {
+          targetPath: '/works/detail',
+          work: 'BB-12345678',
+          title: '汪汪声浪',
+        },
+      },
+    });
+  });
+});