docs: add development workflow checks to CLAUDE.md

Document the required checks (lint, typecheck, test, build) that should be run before committing.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: oladayo21

CLAUDE.md

@@ -94,4 +94,9 @@ Templates use placeholder replacement (ENV, HANDLER, MANIFEST, etc.) during buil
 
 ## Development Principles
 
-- Always run all necessary checks after you create code to make sure everything works as they should
+- Always run all necessary checks after you create code to make sure everything works as they should
+- Before committing and pushing to main, run the following checks:
+  - `pnpm lint` to ensure code quality
+  - `pnpm typecheck` to validate TypeScript types
+  - `pnpm test:run` to confirm all tests pass
+  - `pnpm build` to verify the build process works correctly