Sovereign OS Daily-Driver Upgrade

[rtech-technologies]

Successfully transformed the operating system skeleton into a fully functional desktop daily-driver.
Key Upgrades:

• Unified memory and hardware storage-aware VFS under '/dev' and home.
• Password-secured multi-user role authentication and switcher.
• Progressive Installer Wizard with progress indicators.
• Standard resizable, maximized, draggable, and closable overlapping windows.
• Analog circle vector clock and live RAM/CPU widgets.
• Horizontal bottom Taskbar with Hamburger Start Menu launcher and pinned apps.
• Complete utility bundle: File Explorer sidebar, Notepad editor, Classic Calculator, Task Manager thread killer, Settings personalization/Accounts/System, and Interactive Terminal with command lists and history traversal.
• Hardened terminal app text buffer against overflows using rolling limits.

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PR created automatically by Jules for task 11845068357243117917 started by @rtech-technologies

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