refactor: 拆分 Kernel 中可变 Session 与不可变 Core

crates/oxide_vm/src/builtins/global.rs

@@ -1,7 +1,7 @@
 use std::sync::Arc;
 
-use oxide_kernel::kernel::OxideKernel;
+use oxide_kernel::kernel::KernelCore;
 
-pub fn register_global_properties(_kernel: &Arc<OxideKernel>, _bump: &bumpalo::Bump) -> Result<(), String> {
+pub fn register_global_properties(_kernel: &Arc<KernelCore>, _bump: &bumpalo::Bump) -> Result<(), String> {
     Ok(())
 }