Changelog — v2.2

• Bugfix: Fixed a false-positive "already opened" bug on singleplayer worlds. The mod identified worlds by their cosmetic display name (the "World Name" field), which Minecraft never enforces to be unique — two different saves (e.g. both left at the default "New World", or a copy made to test a different seed) could share that name, causing one world's "opened vaults" list to incorrectly apply to the other. Now uses the save's actual folder name instead, which Minecraft does guarantee is unique.
• ⚠️ As a side effect, previously-recorded "opened" entries won't carry over (they were saved under the old, colliding keys) — harmless on singleplayer since the accurate live server-data check takes over immediately; on multiplayer you may need to re-mark a vault or two if you'd hit this collision there.