修复 SGS 导览数据本地加载异常

为 H5 本地联调补充 SGS API、SDK 和模型资源代理，避免 /app-api 与 /minio 请求回落到前端 HTML。

增强 SGS API 响应解析诊断，遇到非 JSON 或 HTML 响应时输出请求地址、content-type 和响应片段。

src/data/providers/sgsSdkApiProvider.ts

@@ -209,9 +209,33 @@ const resolveAppApiBaseUrl = () => {
   return baseUrl.endsWith('/app-api') ? baseUrl : `${baseUrl}/app-api`
 }
 
-const parseJsonPayload = <T>(payload: unknown): T => {
+const getHeaderValue = (
+  header: Record<string, string> | undefined,
+  key: string
+) => {
+  if (!header) return ''
+  const matchedKey = Object.keys(header).find((item) => item.toLowerCase() === key.toLowerCase())
+  return matchedKey ? String(header[matchedKey] || '') : ''
+}
+
+const previewPayload = (payload: unknown) => {
+  const text = typeof payload === 'string' ? payload : JSON.stringify(payload) || ''
+  return text.replace(/\s+/g, ' ').trim().slice(0, 120)
+}
+
+const parseJsonPayload = <T>(payload: unknown, requestUrl: string, contentType: string): T => {
   if (typeof payload === 'string') {
-    return JSON.parse(payload) as T
+    const trimmedPayload = payload.trim()
+    const looksLikeHtml = /^<!doctype\s+html/i.test(trimmedPayload) || /^<html[\s>]/i.test(trimmedPayload)
+    if (looksLikeHtml || contentType.toLowerCase().includes('text/html')) {
+      throw new Error(`SGS 数据接口返回非 JSON: ${requestUrl} content-type=${contentType || 'unknown'} body="${previewPayload(payload)}"`)
+    }
+
+    try {
+      return JSON.parse(trimmedPayload) as T
+    } catch {
+      throw new Error(`SGS 数据接口 JSON 解析失败: ${requestUrl} content-type=${contentType || 'unknown'} body="${previewPayload(payload)}"`)
+    }
   }
 
   return payload as T
@@ -222,9 +246,10 @@ const requestJson = <T>(
   options: { method?: 'GET' | 'POST'; data?: unknown } = {}
 ): Promise<T> => new Promise((resolve, reject) => {
   const baseUrl = resolveAppApiBaseUrl()
+  const requestUrl = `${baseUrl}${path}`
 
   uni.request({
-    url: `${baseUrl}${path}`,
+    url: requestUrl,
     method: options.method || 'GET',
     data: options.method === 'POST' ? JSON.stringify(options.data || {}) : undefined,
     header: options.method === 'POST'
@@ -235,15 +260,16 @@ const requestJson = <T>(
     timeout: dataSourceConfig.sgsSdkTimeoutMs,
     success: (response) => {
       const statusCode = Number(response.statusCode || 0)
+      const contentType = getHeaderValue(response.header as Record<string, string> | undefined, 'content-type')
       if (statusCode < 200 || statusCode >= 300) {
-        reject(new Error(`SGS 数据接口请求失败: ${statusCode} ${path}`))
+        reject(new Error(`SGS 数据接口请求失败: ${statusCode} ${requestUrl} content-type=${contentType || 'unknown'} body="${previewPayload(response.data)}"`))
         return
       }
 
       try {
-        const body = parseJsonPayload<CommonResult<T>>(response.data)
+        const body = parseJsonPayload<CommonResult<T>>(response.data, requestUrl, contentType)
         if (!body || body.code !== 0) {
-          reject(new Error(`SGS 数据接口业务失败: ${path} code=${body?.code} msg=${body?.msg || ''}`))
+          reject(new Error(`SGS 数据接口业务失败: ${requestUrl} code=${body?.code} msg=${body?.msg || ''}`))
           return
         }
 

vite.config.ts

@@ -1,10 +1,35 @@
 import { defineConfig } from 'vite'
 import uni from '@dcloudio/vite-plugin-uni'
 
+const sgsDevServer = 'http://1.92.206.90:3001'
+const sgsAssetServer = 'http://1.92.206.90:9000'
+
 export default defineConfig({
   plugins: [uni()],
   server: {
-    host: '0.0.0.0'
+    host: '0.0.0.0',
+    proxy: {
+      '/app-api': {
+        target: sgsDevServer,
+        changeOrigin: true
+      },
+      '/h5-sdk': {
+        target: sgsDevServer,
+        changeOrigin: true
+      },
+      '/sdk': {
+        target: sgsDevServer,
+        changeOrigin: true
+      },
+      '/museum-assets': {
+        target: sgsAssetServer,
+        changeOrigin: true
+      },
+      '/minio': {
+        target: sgsDevServer,
+        changeOrigin: true
+      }
+    }
   },
   resolve: {
     alias: {