JUnE OS v0.1.0

First public release of JUnE OS — an AI-integrated Rust microkernel.

Includes:

• Graphical Ubuntu-style desktop (320x200 VGA, custom 256-colour palette, flicker-free backbuffer)
• Window manager with focus switching
• 5 built-in apps: Terminal, Files, Settings, JUnE AI, System Monitor
• Ring-3 user mode with int 0x80 syscalls
• Persistent on-disk database for the JUNE AI
• SMEP/SMAP + SHA-256 verified user ELF loading

Run it: download bootimage-juneos-kernel.bin and boot it in QEMU:

qemu-system-x86_64 -drive format=raw,file=bootimage-juneos-kernel.bin -serial stdio

Controls: keys 1-5 open apps, Down arrow switches focus, q closes.