feat: 初始化项目结构并添加核心功能模块

- 新增文档模板和导航结构
- 实现服务器基础API路由和控制器
- 添加扩展插件配置和前端框架
- 引入多租户和权限管理模块
- 集成日志和数据库配置
- 添加核心业务模型和类型定义

server/src/api/controllers/CommandCenterController.ts

@@ -0,0 +1,78 @@
+import { Request, Response } from 'express';
+import { AIService } from '../../services/AIService';
+import { PipelineEngine } from '../../core/pipeline/PipelineEngine';
+import { logger } from '../../utils/logger';
+import { StepStatus } from '../../core/pipeline/PipelineTypes';
+
+/**
+ * [UX_AUTO_01] AI 交互式指令台 (Command Center)
+ * @description 将商户的自然语言指令转化为自治流水线任务
+ */
+export class CommandCenterController {
+  /**
+   * 语义解析并提交任务
+   */
+  static async submitNaturalCommand(req: Request, res: Response) {
+    const { command } = req.body;
+    const { tenantId, userId, traceId } = (req as any).traceContext;
+
+    try {
+      logger.info(`[CommandCenter] Parsing command: ${command}`);
+
+      // 1. 调用 AI 进行语义解析 (Intent -> Pipeline Definition)
+      const parsedPlan = await AIService.parseNaturalCommand(command);
+
+      if (!parsedPlan || !parsedPlan.steps) {
+        return res.status(400).json({ 
+          success: false, 
+          error: 'Could not understand your command. Please try again with more details.' 
+        });
+      }
+
+      // 2. 向商户返回预览计划 (IAT 交互规范：需商户确认)
+      if (req.query.preview === 'true') {
+        return res.json({
+          success: true,
+          preview: parsedPlan,
+          message: 'Plan parsed successfully. Please confirm execution.'
+        });
+      }
+
+      // 3. 执行流水线
+      const instanceId = await PipelineEngine.start({
+        id: `IAT-CMD-${Date.now()}`,
+        name: `Natural Language Command: ${command.substring(0, 30)}...`,
+        steps: parsedPlan.steps.map((s: any) => ({
+          ...s,
+          status: StepStatus.PENDING
+        }))
+      }, {
+        tenantId,
+        shopId: parsedPlan.shopId || '',
+        traceId,
+        userId,
+        variables: parsedPlan.variables || {}
+      });
+
+      res.json({
+        success: true,
+        data: {
+          instanceId,
+          plan: parsedPlan
+        }
+      });
+    } catch (err: any) {
+      logger.error(`[CommandCenter] Command submission failed: ${err.message}`);
+      res.status(500).json({ success: false, error: err.message });
+    }
+  }
+
+  /**
+   * 获取正在运行的任务流预览
+   */
+  static async getActiveCommandStatus(req: Request, res: Response) {
+    const { instanceId } = req.params;
+    const status = await PipelineEngine.getInstanceStatus(instanceId);
+    res.json({ success: true, data: status });
+  }
+}