Refactor

src/panic_handler.rs

@@ -1,3 +1,7 @@
+//! Panic handler and diagnostic display.
+//!
+//! Prints panic information to the kernel log and displays the message on the
+//! framebuffer before halting the CPU.
 use core::arch::riscv64::wfi;
 
 use alloc::{format, string::ToString};
@@ -6,6 +10,7 @@ use log::error;
 use crate::vga::{Color, Vga, FONT_HEIGHT};
 
 #[panic_handler]
+/// Kernel panic handler that displays the panic message on the framebuffer and halts.
 fn panic(panic_info: &core::panic::PanicInfo) -> ! {
     error!("PANIC !");
     let mut panic_message = panic_info.message().to_string();