- CreateProductWizard: fix permission mismatch (products.create→inventory.create),
  add SKU uniqueness validation, redirect to list after success instead of dead-end
- ProductForm: set branch_id on new products
- ProductList: fix dynamic Tailwind classes (use full class strings for JIT)
- GroupList: fix dynamic Tailwind status badge classes
- POSTerminal: remove dead addProgram() method and unused imports
- CSS: add safelist comment for dynamic color classes used via Blade interpolation
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>