Beginner's Delight

Added

Structure Generation Improvements

• Match foundation fill blocks to surrounding terrain (sand→sandstone, gravel→stone, grass→grass block, etc.)
• Blend surrounding terrain for gradual transitions instead of abrupt cliffs
• Remove item entities dropped by destroyed vegetation during placement
• Convert exposed dirt to grass in foundation margins
• Extend foundation fill 2 blocks beyond structure footprint

New Minecraft Version Support

• Minecraft 1.21.5 support (Fabric + NeoForge) — Codec-based SavedData serialization, Optional CompoundTag getters, new respawn API
• Minecraft 1.21.4 support (Fabric + NeoForge)
• Minecraft 1.21.3 support (Fabric + NeoForge) — adapted to API changes (getHeight()/getMinY(), new teleportTo() signature)
• Minecraft 1.19.2 support (Fabric + Forge) — Architectury API 6.6.92, Forge 43.4.0
• Minecraft 1.18.2 support (Fabric + Forge) — Architectury API 4.12.94, Forge 40.2.0
• Minecraft 1.17.1 support (Fabric + Forge) — Java 16, Architectury API 2.10.12
• Minecraft 1.16.5 support (Fabric + Forge) — Java 8, Architectury API v1, Log4j2

Fixed

• Prevent starter house from generating below sea level by clamping placement Y to at least sea level
• Replace water blocks with dirt in foundation area for natural appearance
• Fix Forge runClient toolchain to use Java toolchain launcher (prevents ASM errors with Java 21)