feat: 新增 Symbol.species well-known symbol 绑定（Symbol.species 解析/键槽/内建对象）

crates/oxide_kernel/src/builtin.rs

@@ -251,6 +251,7 @@ pub struct BuiltinWorld {
     pub sym_match_all: P<JsObject>,
     pub sym_async_iterator: P<JsObject>,
     pub sym_to_string_tag: P<JsObject>,
+    pub sym_species: P<JsObject>,
     pub temporal_object: P<JsObject>,
     pub temporal_now_object: P<JsObject>,
     pub instant_constructor: P<JsObject>,
@@ -702,6 +703,7 @@ impl BuiltinWorld {
             BuiltinId::SymMatchAll => &self.sym_match_all,
             BuiltinId::SymAsyncIterator => &self.sym_async_iterator,
             BuiltinId::SymToStringTag => &self.sym_to_string_tag,
+            BuiltinId::SymSpecies => &self.sym_species,
             BuiltinId::TemporalObject => &self.temporal_object,
             BuiltinId::TemporalNowObject => &self.temporal_now_object,
             BuiltinId::InstantConstructor => &self.instant_constructor,
@@ -760,6 +762,7 @@ impl BuiltinWorld {
         let sym_match_all = P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null()));
         let sym_async_iterator = P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null()));
         let sym_to_string_tag = P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null()));
+        let sym_species = P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null()));
         let temporal_object = P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null()));
         let temporal_now_object = P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null()));
         let (instant_proto, instant_constructor) = make_named_pair(string_forge, shape_forge, labels, "Instant");
@@ -846,6 +849,7 @@ impl BuiltinWorld {
             sym_match_all,
             sym_async_iterator,
             sym_to_string_tag,
+            sym_species,
             temporal_object,
             temporal_now_object,
             instant_constructor,
@@ -936,6 +940,7 @@ impl BuiltinWorld {
             sym_match_all,
             sym_async_iterator,
             sym_to_string_tag,
+            sym_species,
         ) = if dirty.symbol_family {
             let (symbol_proto, symbol_constructor) = make_named_pair(string_forge, shape_forge, labels, "Symbol");
             (
@@ -951,6 +956,7 @@ impl BuiltinWorld {
                 P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null())),
                 P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null())),
                 P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null())),
+                P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null())),
             )
         } else {
             (
@@ -966,6 +972,7 @@ impl BuiltinWorld {
                 current.sym_match_all.clone(),
                 current.sym_async_iterator.clone(),
                 current.sym_to_string_tag.clone(),
+                current.sym_species.clone(),
             )
         };
 
@@ -1177,6 +1184,7 @@ impl BuiltinWorld {
             sym_match_all,
             sym_async_iterator,
             sym_to_string_tag,
+            sym_species,
             temporal_object,
             temporal_now_object,
             instant_constructor,

crates/oxide_kernel/src/kernel.rs

@@ -225,7 +225,7 @@ pub struct KernelSession {
 /// 维护注意：每个新增的 `BuiltinWorld` 对象字段都必须加到这里以及
 /// `KernelSession::dirty_since_snapshot()`，以便选择性重置重建正确的
 /// builtin 家族。
-pub const NUM_BUILTINS: usize = 85;
+pub const NUM_BUILTINS: usize = 86;
 
 /// 内置对象枚举 id，与 `BuiltinWorld` 中的存储槽一一对应。
 ///
@@ -315,6 +315,7 @@ pub enum BuiltinId {
     DurationConstructor = 78,
     DurationProto = 79,
     SymToStringTag = 80,
+    SymSpecies = 85,
     ZonedDateTimeConstructor = 81,
     ZonedDateTimeProto = 82,
     PlainDateTimeConstructor = 83,
@@ -405,6 +406,7 @@ impl BuiltinId {
         BuiltinId::DurationConstructor,
         BuiltinId::DurationProto,
         BuiltinId::SymToStringTag,
+        BuiltinId::SymSpecies,
         BuiltinId::ZonedDateTimeConstructor,
         BuiltinId::ZonedDateTimeProto,
         BuiltinId::PlainDateTimeConstructor,
@@ -597,7 +599,8 @@ impl KernelSession {
                 || gen(BuiltinId::SymHasInstance) != snap(BuiltinId::SymHasInstance)
                 || gen(BuiltinId::SymMatchAll) != snap(BuiltinId::SymMatchAll)
                 || gen(BuiltinId::SymAsyncIterator) != snap(BuiltinId::SymAsyncIterator)
-                || gen(BuiltinId::SymToStringTag) != snap(BuiltinId::SymToStringTag),
+                || gen(BuiltinId::SymToStringTag) != snap(BuiltinId::SymToStringTag)
+                || gen(BuiltinId::SymSpecies) != snap(BuiltinId::SymSpecies),
             math: gen(BuiltinId::MathObject) != snap(BuiltinId::MathObject),
             json: gen(BuiltinId::JsonObject) != snap(BuiltinId::JsonObject),
             date: gen(BuiltinId::DateConstructor) != snap(BuiltinId::DateConstructor)