feat(image): 新建 knowai-core:1.0.0 镜像并完成推送

- 搭建 api、auth、utils 等逻辑模块
- 通过 tsc、eslint、vitest 测试验证

BREAKING CHANGE: 新镜像分支

api/modules/chat.ts

@@ -0,0 +1,48 @@
+import type { AxiosRequestConfig } from 'axios';
+import type { ApiClient } from '../types';
+import type {
+  CreateChatSessionRequest,
+  UpdateChatSessionRequest,
+  SendMessageRequest,
+  GetChatSessionsRequest,
+  GetChatSessionsResponse,
+  GetChatMessagesRequest,
+  GetChatMessagesResponse,
+  MarkMessagesAsReadRequest,
+  MarkMessagesAsReadResponse
+} from '@/types/chat/api';
+import type { ChatSession, ChatMessage } from '@/types/chat/base';
+
+// 聊天API服务工厂函数
+export const chatApi = (client: ApiClient) => ({
+  // 创建聊天会话
+  createSession: (data: CreateChatSessionRequest): Promise<{ session: ChatSession }> => {
+    return client.post('/chat/sessions', data);
+  },
+
+  // 更新聊天会话
+  updateSession: ({ sessionId, ...data }: UpdateChatSessionRequest): Promise<{ session: ChatSession }> => {
+    return client.put(`/chat/sessions/${sessionId}`, data);
+  },
+
+  // 发送消息
+  sendMessage: (data: SendMessageRequest): Promise<{ message: ChatMessage }> => {
+    return client.post(`/chat/sessions/${data.sessionId}/messages`, data);
+  },
+
+  // 获取聊天会话列表
+  getSessions: (params?: GetChatSessionsRequest): Promise<GetChatSessionsResponse> => {
+    const config: AxiosRequestConfig = params ? { params } : {};
+    return client.get('/chat/sessions', config);
+  },
+
+  // 获取聊天消息
+  getMessages: ({ sessionId, ...params }: GetChatMessagesRequest): Promise<GetChatMessagesResponse> => {
+    return client.get(`/chat/sessions/${sessionId}/messages`, { params });
+  },
+
+  // 标记消息已读
+  markMessagesAsRead: ({ sessionId, messageIds }: MarkMessagesAsReadRequest): Promise<MarkMessagesAsReadResponse> => {
+    return client.post(`/chat/sessions/${sessionId}/read`, { messageIds });
+  }
+});