add KePanic instead of splattering _disable __halt everywhere, implement a DMA + interrupts path to the IDE driver, move the dynamic arrays from kmain.c to ke_utils.h, remove weird unicode chars

code/hal/io_driver.h

@@ -13,7 +13,7 @@
 typedef KSTATUS (*DRIVER_ENTRY_FN)(const HAL_API* hal);
 typedef void    (*DRIVER_UNLOAD_FN)(void);
 
-// Forward declaration only — avoids dragging ke_event.h into the HAL layer.
+// Forward declaration only - avoids dragging ke_event.h into the HAL layer.
 struct IRP;
 
 typedef struct DISK_DRIVER {