fix: 补充部分不支持特性以提供详细报错信息

crates/oxide_vm/src/builtins/mod.rs

@@ -12,4 +12,5 @@ pub mod object;
 pub mod regexp;
 pub mod set;
 pub mod string;
+pub mod stubs;
 pub mod symbol;

crates/oxide_vm/src/builtins/stubs.rs

@@ -0,0 +1,20 @@
+use oxide_types::value::JsValue;
+
+use crate::native::NativeResult;
+use crate::vm::Vm;
+
+fn stub_error(vm: &mut Vm, name: &str) -> NativeResult {
+    let msg = format!("TypeError: {} is not implemented", name);
+    let si = vm.kernel_core().string_forge().intern(&msg).0;
+    NativeResult::Err(JsValue::string(si, 0))
+}
+
+// Architecturally deferred — see 13.5-CONTEXT.md for rationale
+pub fn proxy_stub(vm: &mut Vm, _args: &[u8]) -> NativeResult { stub_error(vm, "Proxy") }
+pub fn bigint_stub(vm: &mut Vm, _args: &[u8]) -> NativeResult { stub_error(vm, "BigInt") }
+pub fn weakmap_stub(vm: &mut Vm, _args: &[u8]) -> NativeResult { stub_error(vm, "WeakMap") }
+pub fn weakset_stub(vm: &mut Vm, _args: &[u8]) -> NativeResult { stub_error(vm, "WeakSet") }
+pub fn weakref_stub(vm: &mut Vm, _args: &[u8]) -> NativeResult { stub_error(vm, "WeakRef") }
+pub fn finalization_registry_stub(vm: &mut Vm, _args: &[u8]) -> NativeResult { stub_error(vm, "FinalizationRegistry") }
+pub fn shared_array_buffer_stub(vm: &mut Vm, _args: &[u8]) -> NativeResult { stub_error(vm, "SharedArrayBuffer") }
+pub fn atomics_stub(vm: &mut Vm, _args: &[u8]) -> NativeResult { stub_error(vm, "Atomics") }