Function createRoutingWorkDir

test/skill-routing-e2e.test.ts:129–145

* Create a routing test working directory. * Uses the actual repo checkout (ROOT) which has CLAUDE.md, .claude/skills/, * and full project context. This matches the local environment where routing * tests pass reliably. In containerized CI, bare tmpDirs lack the context * Claude needs to make co

(suffix: string)

 * Claude needs to make correct routing decisions.
 */
function createRoutingWorkDir(suffix: string): string {
  // Clone the repo checkout into a tmpDir so concurrent tests don't interfere
  const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), `routing-${suffix}-`));
  // Copy essential context files
  const filesToCopy = ['CLAUDE.md', 'README.md', 'package.json', 'ETHOS.md'];
  for (const f of filesToCopy) {
    const src = path.join(ROOT, f);
    if (fs.existsSync(src)) fs.copyFileSync(src, path.join(tmpDir, f));
  }
  // Copy skill files
  installSkills(tmpDir);
  // Init git
  initGitRepo(tmpDir);
  spawnSync('git', ['add', '.'], { cwd: tmpDir, stdio: 'pipe', timeout: 5000 });
  spawnSync('git', ['commit', '-m', 'initial'], { cwd: tmpDir, stdio: 'pipe', timeout: 5000 });
  return tmpDir;
}

function logCost(label: string, result: { costEstimate: { turnsUsed: number; estimatedTokens: number; estimatedCost: number }; duration: number }) {
  const { turnsUsed, estimatedTokens, estimatedCost } = result.costEstimate;