feat(knowledge): add knowledge base management with dialog system

- Implement knowledge base list, create, and detail pages
- Add dialog provider and components for confirmation and alerts
- Include knowledge card and grid view components
- Enhance header with user menu and logout functionality
- Implement knowledge operations hooks for CRUD operations

src/components/Provider/DialogProvider.tsx

@@ -0,0 +1,117 @@
+import React, { createContext, useContext, useState, useCallback, type PropsWithChildren } from 'react';
+import type { IDialogConfig, IDialogInstance, IDialogContextValue } from '../../interfaces/common';
+import DialogComponent from './DialogComponent';
+
+// 创建Dialog上下文
+export const DialogContext = createContext<IDialogContextValue | null>(null);
+
+// 生成唯一ID的工具函数
+const generateId = () => `dialog_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;
+
+export const DialogProvider: React.FC<PropsWithChildren> = ({ children }) => {
+  const [dialogs, setDialogs] = useState<IDialogInstance[]>([]);
+
+  // 打开对话框的通用方法
+  const openDialog = useCallback((config: IDialogConfig): Promise<boolean> => {
+    return new Promise((resolve, reject) => {
+      const id = generateId();
+      const dialogInstance: IDialogInstance = {
+        id,
+        config,
+        resolve,
+        reject,
+      };
+
+      setDialogs(prev => [...prev, dialogInstance]);
+    });
+  }, []);
+
+  // 关闭对话框
+  const closeDialog = useCallback((id: string, result: boolean = false) => {
+    setDialogs(prev => {
+      const dialog = prev.find(d => d.id === id);
+      if (dialog) {
+        dialog.resolve(result);
+      }
+      return prev.filter(d => d.id !== id);
+    });
+  }, []);
+
+  // 确认对话框
+  const confirm = useCallback((config: Omit<IDialogConfig, 'type'>): Promise<boolean> => {
+    return openDialog({
+      ...config,
+      type: 'confirm',
+      showCancel: true,
+      confirmText: config.confirmText || '确定',
+      cancelText: config.cancelText || '取消',
+    });
+  }, [openDialog]);
+
+  // 信息对话框
+  const info = useCallback((config: Omit<IDialogConfig, 'type'>): Promise<boolean> => {
+    return openDialog({
+      ...config,
+      type: 'info',
+      showCancel: false,
+      confirmText: config.confirmText || '确定',
+    });
+  }, [openDialog]);
+
+  // 成功对话框
+  const success = useCallback((config: Omit<IDialogConfig, 'type'>): Promise<boolean> => {
+    return openDialog({
+      ...config,
+      type: 'success',
+      showCancel: false,
+      confirmText: config.confirmText || '确定',
+    });
+  }, [openDialog]);
+
+  // 警告对话框
+  const warning = useCallback((config: Omit<IDialogConfig, 'type'>): Promise<boolean> => {
+    return openDialog({
+      ...config,
+      type: 'warning',
+      showCancel: false,
+      confirmText: config.confirmText || '确定',
+    });
+  }, [openDialog]);
+
+  // 错误对话框
+  const error = useCallback((config: Omit<IDialogConfig, 'type'>): Promise<boolean> => {
+    return openDialog({
+      ...config,
+      type: 'error',
+      showCancel: false,
+      confirmText: config.confirmText || '确定',
+    });
+  }, [openDialog]);
+
+  const contextValue: IDialogContextValue = {
+    dialogs,
+    openDialog,
+    closeDialog,
+    confirm,
+    info,
+    success,
+    warning,
+    error,
+  };
+
+  return (
+    <DialogContext.Provider value={contextValue}>
+      {children}
+      {/* 渲染所有对话框 */}
+      {dialogs.map(dialog => (
+        <DialogComponent
+          key={dialog.id}
+          dialog={dialog}
+          onClose={(result) => closeDialog(dialog.id, result)}
+        />
+      ))}
+    </DialogContext.Provider>
+  );
+};
+
+export default DialogProvider;