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

auth/errors.ts

@@ -0,0 +1,67 @@
+/**
+ * 认证模块错误处理
+ */
+
+/**
+ * 认证错误类
+ */
+export class AuthError extends Error {
+  public readonly code: string;
+  public readonly details: unknown;
+
+  constructor(code: string, message: string, details?: unknown) {
+    super(message);
+    this.name = 'AuthError';
+    this.code = code;
+    this.details = details;
+  }
+
+  /**
+   * 创建登录失败错误
+   */
+  static loginFailed(message: string, details?: unknown): AuthError {
+    return new AuthError('LOGIN_FAILED', message, details);
+  }
+
+  /**
+   * 创建登出失败错误
+   */
+  static logoutFailed(message: string, details?: unknown): AuthError {
+    return new AuthError('LOGOUT_FAILED', message, details);
+  }
+
+  /**
+   * 创建注册失败错误
+   */
+  static registerFailed(message: string, details?: unknown): AuthError {
+    return new AuthError('REGISTER_FAILED', message, details);
+  }
+
+  /**
+   * 创建用户未找到错误
+   */
+  static userNotFound(message: string, details?: unknown): AuthError {
+    return new AuthError('USER_NOT_FOUND', message, details);
+  }
+
+  /**
+   * Session过期
+   */
+  static sessionExpired(message: string, details?: unknown): AuthError {
+    return new AuthError('SESSION_EXPIRED', message, details);
+  }
+
+  /**
+   * Session未认证
+   */
+  static notAuthenticated(message: string = 'User not authenticated', details?: unknown): AuthError {
+    return new AuthError('NOT_AUTHENTICATED', message, details);
+  }
+
+  /**
+   * 通用未知报错
+   */
+  static unknown(message: string = 'Unknown authentication error', details?: unknown): AuthError {
+    return new AuthError('UNKNOWN', message, details);
+  }
+}