Per Player Profiles

:new: Added profile-based visual identity.

:new: Profile names now appear in chat, tab list, join/leave messages, and nametags.

:new: New master profiles now default to the real Minecraft player name instead of master.

:new: Added persistent per-profile virtual-uuid for future internal integrations.

:new: Added last active profile persistence per account.

:new: Rejoining now loads the last valid profile first.

:new: Added profiles.require-selection-on-join.

:new: Added virtual leave/join messages when switching profiles.

:new: Added clear console/admin logs for profile switches.

:new: Added tab-complete support for active profile names in configured commands.

:new: Added per-profile achievements/advancements.

:tools: Fixed join flow so the last profile can be loaded without losing the forced profile selector behavior.

:tools: Fixed profile switching logs so admins see profile changes instead of confusing fake disconnect/connect context.

:tools:Fixed command targeting so configured commands can resolve custom profile names to the real online player.

:tools: Fixed existing configs not receiving new options by adding safe missing-key merging.

:wastebasket: Removed the default behavior where new accounts visually start as a generic master profile name.

:wastebasket: Removed forced fallback to master on every reconnect when the last profile is valid.