feat: 添加多项功能和修复

功能新增:
- OSS 存储使用情况显示（文件页面）
- OSS 当日流量统计（阿里云云监控API）
- 分享页面路由修复（/s/xxx 格式支持）

Bug修复:
- 修复分享页面资源路径（相对路径改绝对路径）
- 修复分享码获取逻辑（支持路径格式）
- 修复OSS配额undefined显示问题
- 修复登录流程OSS配置检查
- 修复文件数为null时的显示问题

依赖更新:
- 添加 @alicloud/cms20190101 云监控SDK
- 添加 @alicloud/openapi-client

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/node_modules/sm3/package.json

@@ -0,0 +1,33 @@
+{
+  "name": "sm3",
+  "version": "1.0.3",
+  "description": "国密SM3密码杂凑算法的JavaScript实现",
+  "main": "sm3.js",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/jiaxingzheng/JavaScript-SM3.git"
+  },
+  "keywords": [
+    "sm3",
+    "javascript"
+  ],
+  "author": "Zheng Jiaxing",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/jiaxingzheng/JavaScript-SM3/issues"
+  },
+  "homepage": "https://github.com/jiaxingzheng/JavaScript-SM3",
+  "scripts": {
+    "test": "node test.js",
+    "build": "babel sm3.js --out-file sm3-babel.js"
+  },
+  "devDependencies": {
+    "babel-cli": "^6.26.0",
+    "babel-preset-es2015": "^6.24.1",
+    "babel-preset-react": "^6.24.1",
+    "babel-preset-stage-0": "^6.24.1",
+    "babel-preset-stage-1": "^6.24.1",
+    "babel-preset-stage-2": "^6.24.1",
+    "babel-preset-stage-3": "^6.24.1"
+  }
+}