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/glob-parent/package.json

@@ -0,0 +1,48 @@
+{
+  "name": "glob-parent",
+  "version": "5.1.2",
+  "description": "Extract the non-magic parent path from a glob string.",
+  "author": "Gulp Team <team@gulpjs.com> (https://gulpjs.com/)",
+  "contributors": [
+    "Elan Shanker (https://github.com/es128)",
+    "Blaine Bublitz <blaine.bublitz@gmail.com>"
+  ],
+  "repository": "gulpjs/glob-parent",
+  "license": "ISC",
+  "engines": {
+    "node": ">= 6"
+  },
+  "main": "index.js",
+  "files": [
+    "LICENSE",
+    "index.js"
+  ],
+  "scripts": {
+    "lint": "eslint .",
+    "pretest": "npm run lint",
+    "test": "nyc mocha --async-only",
+    "azure-pipelines": "nyc mocha --async-only --reporter xunit -O output=test.xunit",
+    "coveralls": "nyc report --reporter=text-lcov | coveralls"
+  },
+  "dependencies": {
+    "is-glob": "^4.0.1"
+  },
+  "devDependencies": {
+    "coveralls": "^3.0.11",
+    "eslint": "^2.13.1",
+    "eslint-config-gulp": "^3.0.1",
+    "expect": "^1.20.2",
+    "mocha": "^6.0.2",
+    "nyc": "^13.3.0"
+  },
+  "keywords": [
+    "glob",
+    "parent",
+    "strip",
+    "path",
+    "dirname",
+    "directory",
+    "base",
+    "wildcard"
+  ]
+}