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）

frontend/public/sso/callback.html

@@ -1,100 +0,0 @@
-<!DOCTYPE html>
-<html lang="zh-CN">
-<head>
-  <meta charset="UTF-8" />
-  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>DeepData 登录中…</title>
-  <style>
-    * { margin: 0; padding: 0; box-sizing: border-box; }
-    body {
-      min-height: 100vh;
-      display: flex;
-      align-items: center;
-      justify-content: center;
-      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
-      background: linear-gradient(135deg, #eff6ff 0%, #eef2ff 100%);
-    }
-    .card {
-      background: #fff;
-      border-radius: 16px;
-      box-shadow: 0 10px 30px rgba(37, 99, 235, 0.12);
-      padding: 40px 48px;
-      max-width: 420px;
-      width: 90%;
-      text-align: center;
-    }
-    .spinner {
-      width: 32px; height: 32px;
-      margin: 0 auto 16px;
-      border: 3px solid #dbeafe;
-      border-top-color: #2563eb;
-      border-radius: 50%;
-      animation: spin 0.8s linear infinite;
-    }
-    @keyframes spin { to { transform: rotate(360deg); } }
-    h1 { font-size: 18px; color: #1f2937; margin-bottom: 8px; }
-    p { font-size: 14px; color: #6b7280; }
-    .error { color: #dc2626; }
-    a { color: #2563eb; text-decoration: none; }
-    a:hover { text-decoration: underline; }
-  </style>
-</head>
-<body>
-  <div class="card">
-    <div id="spinner" class="spinner"></div>
-    <h1 id="title">DeepData 登录处理中…</h1>
-    <p id="desc">正在完成单点登录，请稍候。</p>
-  </div>
-  <script>
-    (function () {
-      var params = new URLSearchParams(window.location.search);
-      var token = params.get("sso_token");
-      var logout = params.get("sso_logout");
-      var error = params.get("sso_error");
-      var errDesc = params.get("sso_error_description") || "";
-
-      var title = document.getElementById("title");
-      var desc = document.getElementById("desc");
-      var spinner = document.getElementById("spinner");
-
-      function fail(msg) {
-        spinner.style.display = "none";
-        title.textContent = "登录失败";
-        title.className = "error";
-        desc.innerHTML = (msg ? msg + "<br/>" : "") +
-          '<a href="/#/">返回首页</a>';
-      }
-
-      if (error) {
-        fail(decodeURIComponent(errDesc || "单点登录未完成，请重试"));
-        return;
-      }
-
-      if (logout) {
-        // 登出回调：清理本地会话
-        try { localStorage.removeItem("session"); } catch (e) {}
-        window.location.replace("/#/");
-        return;
-      }
-
-      if (token) {
-        try {
-          // SSO 登录成功：持久化会话（与账号密码登录的 localStorage.session 结构一致）
-          localStorage.setItem("session", JSON.stringify({
-            token: token,
-            authMode: "SSO"
-          }));
-        } catch (e) {
-          fail("保存登录状态失败，请检查浏览器是否允许本地存储");
-          return;
-        }
-        window.location.replace("/#/");
-        return;
-      }
-
-      // 缺少任何参数：视为异常
-      fail("未收到有效的登录结果");
-    })();
-  </script>
-</body>
-</html>