- `[x]` Modify `database+seed.sql` with new tables and decoupled reference tables.
- `[x]` Update `poultrysystem-project.md` to establish PHP Native MVC structure.
- `[x]` Update `implementation_plan-milestone-2.md` to replace Laravel syntax with PHP Native MVC.
- `[x]` Update `implementation_plan-milestone-3.md` to replace Laravel syntax with PHP Native MVC.
- `[x]` Update `implementation_plan-milestone-4.md` to replace Laravel syntax with PHP Native MVC.
- `[x]` Update `implementation_plan-milestone-5.md` to replace Laravel syntax with PHP Native MVC.
- `[x]` Update `implementation_plan-milestone-6.md` (if exists) with PHP Native MVC.
- `[x]` Update `implementation_plan-milestone-7.md` (if exists) with PHP Native MVC.