chore: 初始化 TypeScript monorepo

packages/contracts/package.json

@@ -0,0 +1,10 @@
+{
+  "name": "@drift/contracts",
+  "version": "0.0.0",
+  "private": true,
+  "type": "module",
+  "exports": "./src/index.ts",
+  "scripts": {
+    "test": "vitest run src/index.test.ts"
+  }
+}

packages/contracts/src/index.test.ts

@@ -0,0 +1,13 @@
+import { describe, expect, it } from "vitest";
+import { ErrorCode, ok } from "./index";
+
+describe("contracts", () => {
+  it("creates the uniform response envelope", () => {
+    expect(ok({ id: "1" }, "req-1")).toEqual({
+      code: ErrorCode.OK,
+      message: "success",
+      data: { id: "1" },
+      requestId: "req-1",
+    });
+  });
+});

packages/contracts/src/index.ts

@@ -0,0 +1,19 @@
+export enum ErrorCode {
+  OK = "OK",
+  AUTH_TOKEN_EXPIRED = "AUTH_TOKEN_EXPIRED",
+  AUTH_REFRESH_REUSED = "AUTH_REFRESH_REUSED",
+  BOTTLE_DAILY_LIMIT = "BOTTLE_DAILY_LIMIT",
+  BOTTLE_POOL_EMPTY = "BOTTLE_POOL_EMPTY",
+  BOTTLE_LEASE_EXPIRED = "BOTTLE_LEASE_EXPIRED",
+  CONTENT_REJECTED = "CONTENT_REJECTED",
+  USER_BLOCKED = "USER_BLOCKED",
+  CONVERSATION_FORBIDDEN = "CONVERSATION_FORBIDDEN",
+  MESSAGE_DUPLICATE = "MESSAGE_DUPLICATE",
+}
+
+export const ok = <T>(data: T, requestId: string) => ({
+  code: ErrorCode.OK,
+  message: "success",
+  data,
+  requestId,
+});