WIP TESTER BUILD - live mid-save, restart, descent, death-save, and dedicated-server validation is incomplete; use backed-up test worlds. Java-first procedural underground dungeon and Louisville train station for Build 42.20.4 with server authority and SAFE_INSTANCE support for existing saves. Requires Faded Java Loader Bridge 0.3.4 or newer. Add FadedDepths to Mods= only; never add it to Map=.