移除gitignore中的lib文件夹，上传被排除掉的前端lib文件

dashboard/src/lib/knowledge-api.ts

@@ -0,0 +1,69 @@
+/**
+ * 知识库 API
+ */
+
+const API_BASE_URL = import.meta.env.VITE_API_BASE_URL || '/api/webui'
+
+export interface KnowledgeNode {
+  id: string
+  type: 'entity' | 'paragraph'
+  content: string
+  create_time?: number
+}
+
+export interface KnowledgeEdge {
+  source: string
+  target: string
+  weight: number
+  create_time?: number
+  update_time?: number
+}
+
+export interface KnowledgeGraph {
+  nodes: KnowledgeNode[]
+  edges: KnowledgeEdge[]
+}
+
+export interface KnowledgeStats {
+  total_nodes: number
+  total_edges: number
+  entity_nodes: number
+  paragraph_nodes: number
+}
+
+/**
+ * 获取知识图谱数据
+ */
+export async function getKnowledgeGraph(limit: number = 100, nodeType: 'all' | 'entity' | 'paragraph' = 'all'): Promise<KnowledgeGraph> {
+  const url = `${API_BASE_URL}/knowledge/graph?limit=${limit}&node_type=${nodeType}`
+  
+  const response = await fetch(url)
+  
+  if (!response.ok) {
+    throw new Error(`获取知识图谱失败: ${response.status}`)
+  }
+  
+  return response.json()
+}
+
+/**
+ * 获取知识图谱统计信息
+ */
+export async function getKnowledgeStats(): Promise<KnowledgeStats> {
+  const response = await fetch(`${API_BASE_URL}/knowledge/stats`)
+  if (!response.ok) {
+    throw new Error('获取知识图谱统计信息失败')
+  }
+  return response.json()
+}
+
+/**
+ * 搜索知识节点
+ */
+export async function searchKnowledgeNode(query: string): Promise<KnowledgeNode[]> {
+  const response = await fetch(`${API_BASE_URL}/knowledge/search?query=${encodeURIComponent(query)}`)
+  if (!response.ok) {
+    throw new Error('搜索知识节点失败')
+  }
+  return response.json()
+}