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/errors.ts

@@ -0,0 +1,46 @@
+/**
+ * API错误处理
+ */
+import type { AxiosError } from 'axios';
+
+/**
+ * API错误接口
+ */
+export interface IApiError {
+  code: number;
+  message: string;
+  details?: unknown;
+}
+
+/**
+ * API错误类
+ */
+export class ApiError extends Error implements IApiError {
+  public readonly code: number;
+  public readonly details: unknown;
+
+  constructor(code: number, message: string, details?: unknown) {
+    super(message);
+    this.name = 'ApiError';
+    this.code = code;
+    this.details = details;
+  }
+
+  /**
+   * 从Axios错误创建API错误
+   */
+  static fromAxiosError(error: AxiosError): ApiError {
+    if (!error.response) {
+      return new ApiError(0, error.message || '网络错误');
+    }
+
+    const { status, data } = error.response;
+    const message = data && typeof data === 'object' && 'message' in data
+      ? data.message as string
+      : '请求失败';
+
+    return new ApiError(status, message, data);
+  }
+}
+
+