feat: 小程序跳转改用明文 URL Scheme

- UrlSchemeLauncher: 使用明文 Scheme 格式，无需后端 API 生成
- HomePage: 修复 path 格式，去掉开头斜杠以匹配小程序后台配置

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/components/MiniProgramLauncher/UrlSchemeLauncher.js

@@ -20,9 +20,26 @@ import {
   Icon,
 } from '@chakra-ui/react';
 import { FiExternalLink, FiCopy, FiCheck } from 'react-icons/fi';
-import { generateUrlScheme, openUrlScheme } from '@services/miniprogramService';
 import { isIOSDevice } from './hooks/useWechatEnvironment';
 
+// 小程序 AppID
+const MINIPROGRAM_APPID = 'wx0edeaab76d4fa414';
+
+/**
+ * 生成明文 URL Scheme
+ * 格式：weixin://dl/business/?appid=APPID&path=PATH&query=QUERY
+ */
+const generatePlainUrlScheme = (path, query) => {
+  const params = new URLSearchParams({
+    appid: MINIPROGRAM_APPID,
+    path: path || '',
+  });
+  if (query) {
+    params.set('query', query);
+  }
+  return `weixin://dl/business/?${params.toString()}`;
+};
+
 /**
  * URL Scheme 跳转组件
  * @param {Object} props
@@ -54,17 +71,15 @@ const UrlSchemeLauncher = ({
     try {
       setLoading(true);
 
-      // 生成 URL Scheme
-      const result = await generateUrlScheme({ path, query });
+      // 生成明文 URL Scheme（不需要后端 API）
+      const scheme = generatePlainUrlScheme(path, query);
+      console.log('[UrlSchemeLauncher] 生成的 scheme:', scheme);
 
-      if (!result?.openlink) {
-        throw new Error('生成跳转链接失败');
-      }
-
-      setOpenlink(result.openlink);
+      setOpenlink(scheme);
 
       // 尝试直接跳转
-      const success = openUrlScheme(result.openlink);
+      window.location.href = scheme;
+      const success = true;
 
       if (success) {
         onSuccess?.();

src/views/Home/HomePage.tsx

@@ -146,7 +146,7 @@ const HomePage: React.FC = () => {
           zIndex={1000}
         >
           <MiniProgramLauncher
-            path="/pages/index/index"
+            path="pages/index/index"
             buttonStyle={{
               backgroundColor: '#07c160',
               color: '#fff',