## 1. Dependency swap

- [x] 1.1 Remove `superstruct` from `packages/schema/package.json` dependencies
- [x] 1.2 Add `valibot` to `packages/schema/package.json` dependencies

## 2. Create Valibot schemas

- [x] 2.1 Create `packages/schema/src/valibot.ts` with `createInsertSchema` and `createUpdateSchema` for `projects` and `tasks`
- [x] 2.2 Add `picklist()` refinements for enum fields (`status`, `priority`) using the constant arrays from `drizzle/enums.ts`
- [x] 2.3 Export insert and update schemas as named exports

## 3. Remove old modules

- [x] 3.1 Delete `packages/schema/src/validation/` directory
- [x] 3.2 Delete `packages/schema/src/types/` directory

## 4. Update barrel export

- [x] 4.1 Update `packages/schema/src/index.ts` to export Drizzle tables and Valibot schemas (remove old validation/types exports)

## 5. Verify

- [x] 5.1 Run `pnpm --filter=@workspace/schema build` to confirm compilation
- [x] 5.2 Run `pnpm build` from root to confirm full monorepo integrity
- [x] 5.3 Run `pnpm --filter=api test` to confirm no regressions