V191 focused regression report
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11/11 focused tests passed.

Verified:
- Per-account activation key is derived from the requested account name only.
- Activation registry is [Drakhysys Account Activate].
- Example independent keys: DRAKHYSYS Activate / KRONAS Activate.
- Login checks and sets only the requested account flag.
- Logout clears only the logged-in account flag.
- Delete clears only the deleted account flag before the existing V176 delete route.
- V190 per-verifier-section Activate storage is not read or written by V191 session helpers.
- New-account creation initializes only that account's dedicated activation flag to 0.
- Password remains typeable while visually hidden.
- V176 character import/export Lua functions are byte-identical to V176.
- V176 CHARGEN_IMPORT, CHARACTER, CHARACTER_EXPORT, CHARGEN_EXPORT, and CHARGEN_NAME menus are byte-identical to V176.
- account_folder_router.py is byte-identical to V176.
- No automatic character backup/restoration behavior added.
