feat(cloud): 添加云盘上传模式选择和进度显示功能

- 添加客户端直传和后端代理两种上传模式选项
- 实现上传进度条和状态显示界面
- 添加文件MD5计算和上传凭证获取功能
- 支持大文件上传和断点续传机制
- 新增cloud/upload/token和cloud/upload/complete接口
- 更新文档说明上传模式和接口使用方法
- 优化上传按钮禁用状态和提示信息显示

module/cloud_upload_complete.js

@@ -0,0 +1,73 @@
+const createOption = require('../util/option.js')
+
+module.exports = async (query, request) => {
+  const {
+    songId,
+    resourceId,
+    md5,
+    filename,
+    song,
+    artist,
+    album,
+    bitrate = 999000,
+  } = query
+
+  if (!songId || !resourceId || !md5 || !filename) {
+    return Promise.reject({
+      status: 400,
+      body: {
+        code: 400,
+        msg: '缺少必要参数: songId, resourceId, md5, filename',
+      },
+    })
+  }
+
+  const songName = song || filename.replace(/\.[^.]+$/, '')
+  const ext = filename.includes('.') ? filename.split('.').pop() : 'mp3'
+
+  const res2 = await request(
+    `/api/upload/cloud/info/v2`,
+    {
+      md5: md5,
+      songid: songId,
+      filename: filename,
+      song: songName,
+      album: album || '未知专辑',
+      artist: artist || '未知艺术家',
+      bitrate: String(bitrate),
+      resourceId: resourceId,
+    },
+    createOption(query),
+  )
+
+  if (res2.body.code !== 200) {
+    return Promise.reject({
+      status: res2.status || 500,
+      body: {
+        code: res2.body.code || 500,
+        msg: res2.body.msg || '上传云盘信息失败',
+        detail: res2.body,
+      },
+    })
+  }
+
+  const res3 = await request(
+    `/api/cloud/pub/v2`,
+    {
+      songid: res2.body.songId,
+    },
+    createOption(query),
+  )
+
+  return {
+    status: 200,
+    body: {
+      code: 200,
+      data: {
+        songId: res2.body.songId,
+        ...res3.body,
+      },
+    },
+    cookie: res2.cookie,
+  }
+}