fix(api): jest support for uuid v14 ESM-only package

uuid v14 ships as pure ESM ("type": "module", no CJS build). Jest's default
config skips node_modules transformation, so it can't parse uuid's export
syntax. Whitelist uuid via transformIgnorePatterns and enable allowJs so
ts-jest transpiles uuid's .js entry to CJS.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>