feat: add TallyNote local reimbursement ledger

server/errors.ts

@@ -0,0 +1,27 @@
+import type { FastifyRequest } from "fastify";
+
+export class AppError extends Error {
+  constructor(
+    public readonly statusCode: number,
+    public readonly code: string,
+    message: string,
+    public readonly details?: unknown,
+  ) {
+    super(message);
+  }
+}
+
+export function errorPayload(request: FastifyRequest, error: AppError) {
+  return {
+    error: {
+      code: error.code,
+      message: error.message,
+      requestId: request.id,
+      ...(error.details === undefined ? {} : { details: error.details }),
+    },
+  };
+}
+
+export function notFound(message = "没有找到对应内容"): never {
+  throw new AppError(404, "NOT_FOUND", message);
+}