chore: integrate proman scaffold

- Add proman.yaml with 8 packages in dependency order
- Add @shazhou/proman as devDependency
- Replace root scripts: build/test/check/format → proman commands
- Keep typecheck script for standalone tsc --build

Fixes #27

packages/cli/src/__tests__/thread.test.ts

@@ -1,9 +1,9 @@
-import { afterEach, beforeEach, describe, expect, test } from 'vitest';
 import { mkdir, mkdtemp, rm } from "node:fs/promises";
 import { tmpdir } from "node:os";
 import { join } from "node:path";
 import { bootstrap, putSchema, type Store } from "@ocas/core";
 import type { CasRef, ThreadId } from "@united-workforce/protocol";
+import { afterEach, beforeEach, describe, expect, test } from "vitest";
 import { cmdStepList, cmdStepShow } from "../commands/step.js";
 import {
   cmdThreadRead,