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/@alicloud/tea-xml/dist/client.js

@@ -0,0 +1,93 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const xml2js_1 = require("xml2js");
+class Client {
+    static parseXml(body, response) {
+        let ret = this._parseXML(body);
+        if (response !== null && typeof response !== 'undefined') {
+            ret = this._xmlCast(ret, response);
+        }
+        return ret;
+    }
+    static toXML(body) {
+        const builder = new xml2js_1.Builder();
+        return builder.buildObject(body);
+    }
+    static _parseXML(body) {
+        let parser = new xml2js_1.Parser({ explicitArray: false });
+        let result = {};
+        parser.parseString(body, function (err, output) {
+            result.err = err;
+            result.output = output;
+        });
+        if (result.err) {
+            throw result.err;
+        }
+        return result.output;
+    }
+    static _xmlCast(obj, clazz) {
+        obj = obj || {};
+        let ret = {};
+        let clz = clazz;
+        let names = clz.names();
+        let types = clz.types();
+        Object.keys(names).forEach((key) => {
+            let originName = names[key];
+            let value = obj[originName];
+            let type = types[key];
+            switch (type) {
+                case 'boolean':
+                    if (!value) {
+                        ret[originName] = false;
+                        return;
+                    }
+                    ret[originName] = value === 'false' ? false : true;
+                    return;
+                case 'number':
+                    if (value != 0 && !value) {
+                        ret[originName] = NaN;
+                        return;
+                    }
+                    ret[originName] = +value;
+                    return;
+                case 'string':
+                    if (!value) {
+                        ret[originName] = '';
+                        return;
+                    }
+                    ret[originName] = value.toString();
+                    return;
+                default:
+                    if (type.type === 'array') {
+                        if (!value) {
+                            ret[originName] = [];
+                            return;
+                        }
+                        if (!Array.isArray(value)) {
+                            value = [value];
+                        }
+                        if (typeof type.itemType === 'function') {
+                            ret[originName] = value.map((d) => {
+                                return this._xmlCast(d, type.itemType);
+                            });
+                        }
+                        else {
+                            ret[originName] = value;
+                        }
+                    }
+                    else if (typeof type === 'function') {
+                        if (!value) {
+                            value = {};
+                        }
+                        ret[originName] = this._xmlCast(value, type);
+                    }
+                    else {
+                        ret[originName] = value;
+                    }
+            }
+        });
+        return ret;
+    }
+}
+exports.default = Client;
+//# sourceMappingURL=client.js.map