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/darabonba-string/dist/client.d.ts

@@ -0,0 +1,19 @@
+/**
+ * This is a string module
+ */
+/// <reference types="node" />
+export default class Client {
+    static split(raw: string, sep: string, limit: number): string[];
+    static replace(raw: string, oldStr: string, newStr: string, count?: number): string;
+    static contains(s: string, substr: string): boolean;
+    static count(s: string, substr: string): number;
+    static hasPrefix(s: string, prefix: string): boolean;
+    static hasSuffix(s: string, substr: string): boolean;
+    static index(s: string, substr: string): number;
+    static toLower(s: string): string;
+    static toUpper(s: string): string;
+    static subString(s: string, strat: number, end: number): string;
+    static equals(expect: string, actual: string): boolean;
+    static trim(str: string): string;
+    static toBytes(str: string, encoding: BufferEncoding): Buffer;
+}

backend/node_modules/@alicloud/darabonba-string/dist/client.js

@@ -0,0 +1,65 @@
+"use strict";
+// This file is auto-generated, don't edit it
+/**
+ * This is a string module
+ */
+Object.defineProperty(exports, "__esModule", { value: true });
+class Client {
+    static split(raw, sep, limit) {
+        if (null === limit || typeof (limit) === 'undefined' || limit < 1) {
+            return raw.split(sep);
+        }
+        let result = raw.split(sep, limit);
+        if (result.length >= limit) {
+            result[limit - 1] = [result[limit - 1], ...raw.split(sep).splice(limit)].join(sep);
+        }
+        return result;
+    }
+    static replace(raw, oldStr, newStr, count = null) {
+        if (null === count || typeof (count) === 'undefined' || count < 0) {
+            return raw.split(oldStr).join(newStr);
+        }
+        let tmp = raw.split(oldStr);
+        if (count >= tmp.length - 1) {
+            return raw.split(oldStr).join(newStr);
+        }
+        let left = tmp.slice(0, count + 1).join(newStr);
+        let right = tmp.slice(count + 1).join(oldStr);
+        return left + oldStr + right;
+    }
+    static contains(s, substr) {
+        return s.indexOf(substr) !== -1;
+    }
+    static count(s, substr) {
+        return s.split(substr).length;
+    }
+    static hasPrefix(s, prefix) {
+        return s.startsWith(prefix);
+    }
+    static hasSuffix(s, substr) {
+        return s.endsWith(substr);
+    }
+    static index(s, substr) {
+        return s.indexOf(substr);
+    }
+    static toLower(s) {
+        return s.toLowerCase();
+    }
+    static toUpper(s) {
+        return s.toUpperCase();
+    }
+    static subString(s, strat, end) {
+        return s.slice(strat, end);
+    }
+    static equals(expect, actual) {
+        return expect === actual;
+    }
+    static trim(str) {
+        return str.trim();
+    }
+    static toBytes(str, encoding) {
+        return Buffer.from(str, encoding);
+    }
+}
+exports.default = Client;
+//# sourceMappingURL=client.js.map

backend/node_modules/@alicloud/darabonba-string/dist/client.js.map

@@ -0,0 +1 @@
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