修复 SDK 同源资源加载

将生产环境 SDK 接口、H5 基座和模型资源配置为同源访问，避免 HTTPS 页面请求 HTTP 后端或 MinIO 资源时触发混合内容拦截。

同步更新环境变量模板，并移除导览页中废弃的 3D 视角切换入口。

src/repositories/GuideModelRepository.ts

@@ -54,7 +54,24 @@ const trimTrailingSlash = (value: string) => value.replace(/\/+$/, '')
 const resolveSgsAssetUrl = (url?: string | null) => {
   const normalizedUrl = url?.trim()
   if (!normalizedUrl) return ''
-  if (/^https?:\/\//i.test(normalizedUrl)) return normalizedUrl
+
+  if (/^https?:\/\//i.test(normalizedUrl)) {
+    try {
+      const assetUrl = new URL(normalizedUrl)
+      if (
+        assetUrl.hostname === '1.92.206.90'
+        && assetUrl.port === '9000'
+        && assetUrl.pathname.startsWith('/museum-assets/')
+      ) {
+        return `${assetUrl.pathname}${assetUrl.search}${assetUrl.hash}`
+      }
+    } catch {
+      return normalizedUrl
+    }
+
+    return normalizedUrl
+  }
+
   if (!normalizedUrl.startsWith('/')) return normalizedUrl
 
   const baseUrl = trimTrailingSlash(dataSourceConfig.sgsApiBaseUrl || dataSourceConfig.apiBaseUrl || '')