Smooth Vanilla HD 256x

Fixes and improvements

• Repaired grass side overlay alignment and hidden vanilla-color fringes
• Removed translucent membranes and dark halos from 2,785 cutout textures
• Rebuilt 14 leaf textures with seamless wrapped edges
• Fixed kelp, seagrass, plants, items, particles, and entity transparency
• Added stronger, correctly packed LabPBR normals with POM height data for 677 blocks
• Tuned final normal strength and POM depth for a natural result
• Added Fresh Animations 1.10.5 compatibility instructions (place Smooth Vanilla HD above Fresh Animations)
• Tested successfully on Minecraft 26.2