- Zero user PML4 and allocated page tables in VMM to prevent dirty RAM crash on real hardware
- Probe UART existence and add timeout to prevent infinite freeze on motherboards without COM1
- Clamp SMP AP boot to MAX_CPUS to prevent GDT/TSS corruption on multi-core CPUs
- Add kernel early framebuffer console (FbConsole) with 8x16 font for direct HDMI/DP screen output
- Configure Limine resolution and dynamic 4K draw buffers in gui_server to fix 1080p black screen
- Implement RFC 793 TCP pseudo-header checksum and full TCP 3-way handshake
- Implement DHCP client (UDP 67/68) and DNS client (UDP 53)
- Add dns, dhcp commands to shell and update web browser with live URL loading
RarDog
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