diff --git a/sprints/SPRINT_00.md b/sprints/SPRINT_00.md
index 81a175d..d2d2b51 100644
--- a/sprints/SPRINT_00.md
+++ b/sprints/SPRINT_00.md
@@ -1,7 +1,7 @@
 Goal: Empty end-to-end skeleton. User can submit a dummy scenario via UI, see it queued, see a dummy result. No real engine logic yet.
 Tasks:
 
- S0-T01 Initialize monorepo with packages/engine, packages/api, packages/web directories.
+ ✅ S0-T01 Initialize monorepo with packages/engine, packages/api, packages/web directories.
  S0-T02 Set up packages/engine with Poetry, Python 3.12, Ruff, mypy strict, pytest, pre-commit. Empty remodel_engine package with __init__.py exposing version.
  S0-T03 Set up packages/api similarly. FastAPI app with /healthz returning {"status":"ok","version":"..."}.
  S0-T04 Set up packages/web with create-next-app@latest --typescript --tailwind --app. Add shadcn/ui (pnpm dlx shadcn@latest init). Add Recharts, TanStack Query, Zustand.