- Added Row Level Security for product_attributes, product_variants - Added tenant isolation policies for related tables - Prepared for execution in WSL Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Changes: - Add 19-product-attributes.sql (attributes, values, variants) - Rename 21-fiscal-catalogs.sql to 25-fiscal-catalogs.sql (fix duplicate 21) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>