Projects are non-composite with noEmit, so build mode (-b) re-builds every run.
Use -p for proper project checking: bunx tsc -p server && bunx tsc -p shared && bunx tsc -p web
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Removes composite project references in favor of simpler -p checking.
Adds noEmit to tsconfig so tsc is typecheck-only.
Adds smoke test to unblock CI test gate.
Ignores tsbuildinfo artifacts from git.
