feat(system): implement dynamic platform configs for customer service, safety notice, and service agreement

pwuniapp/common/api.js

@@ -737,3 +737,16 @@ export async function checkTextSecurity(content) {
   }
 }
 
+/**
+ * 获取平台通用配置（官方客服、履约公告指引、平台规范协议等）
+ */
+export async function getPlatformConfigs() {
+  try {
+    const res = await http.get('/system/configs');
+    return res;
+  } catch (err) {
+    console.warn('[API] 获取平台通用配置降级:', err.message);
+    return null;
+  }
+}
+