[refactor] Organize STRING

include/scheduler.h

@@ -3,6 +3,7 @@
 #include <efi.h>
 #include <memory/pmm.h>
 #include <common.h>
+#include <string_utils.h>
 
 #define TASK_STACK_SIZE  (PAGE_SIZE * 4)  // 16 KB kernel stack per task
 #define TASK_MAX         32
@@ -26,7 +27,7 @@ typedef struct task {
 } task_t;
 
 // Create a new task. Returns task pointer or NULL on failure.
-task_t* task_create(const char* name, void (*entry)(void));
+task_t* task_create(String name, void (*entry)(void));
 
 // Yield CPU to next ready task (cooperative)
 void yield(void);