feat(deepdata): 引入修改密码、文件预览组件与清洗算子增强，deepflow 改名为 deep-flow

本次同步 09-12 至 09-28 的代码变更，主要内容：

新增功能
- 修改密码：后端新增 ChangePasswordRequest DTO 与UserController/UserService
  对应接口，前端新增 ChangePasswordDialog 并在 Header 接入入口
- 文件预览组件重构：file-preview 目录拆分出 VideoPreview（支持 blobUrl 直传）、
  ImagePreview、AudioPreview，index.tsx 统一调度各类型预览器
- 新增 my_ops 算子模块：markitdown_parser、mineru_pdf_parser、text_quality_evaluator
- 新增 tools/minio-file-server MinIO 文件服务

功能增强
- 数据清洗：cleaning_task_service/scheduler/routes 重构，
  data_juicer_executor 与 wrapper 增强，OperatorTable/LogsTable/TaskDetail 同步调整
- 数据标注：annotation sync.py、project.py 接口与schema 更新
- 数据采集、算子市场、首页与菜单路由相关页面调整
- DataJuicer 算子接入（useOperatorOperations、dj_ops_schema）

结构调整
- deepflow/ 更名为 deep-flow/（419 个文件重命名）
- 新增 helm 部署编排、GitHub Actions 之外的自建镜像构建脚本

未纳入本次提交
- scripts-backup/、runtime/python-executor-backup/、components_backup/（备份目录）
- *.backup*、__pycache__ 产物
- zh_core_web_sm-3.8.0-py3-none-any.whl（46MB 构建产物）
- DataX/（内嵌独立仓库，远程亦未收录其源码）

deep-flow/web/next.config.js

@@ -0,0 +1,45 @@
+/**
+ * Run `build` or `dev` with `SKIP_ENV_VALIDATION` to skip env validation. This is especially useful
+ * for Docker builds.
+ */
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
+import "./src/env.js";
+import createNextIntlPlugin from 'next-intl/plugin';
+
+const withNextIntl = createNextIntlPlugin('./src/i18n.ts');
+
+/** @type {import("next").NextConfig} */
+
+// DeepFlow leverages **Turbopack** during development for faster builds and a smoother developer experience.
+// However, in production, **Webpack** is used instead.
+//
+// This decision is based on the current recommendation to avoid using Turbopack for critical projects, as it
+// is still evolving and may not yet be fully stable for production environments.
+
+const config = {
+  // For development mode
+  turbopack: {
+    rules: {
+      "*.md": {
+        loaders: ["raw-loader"],
+        as: "*.js",
+      },
+    },
+  },
+
+  // For production mode
+  webpack: (config) => {
+    config.module.rules.push({
+      test: /\.md$/,
+      use: "raw-loader",
+    });
+    return config;
+  },
+
+  // ... rest of the configuration.
+  output: "standalone",
+};
+
+export default withNextIntl(config);