feat: 提取 oxide_builtins 独立 crate，泛型化 <H: VmHost>

Cargo.lock

@@ -1030,6 +1030,23 @@ dependencies = [
  "serde_json",
 ]
 
+[[package]]
+name = "oxide_builtins"
+version = "0.1.0"
+dependencies = [
+ "chrono",
+ "fast-float",
+ "indexmap",
+ "memchr",
+ "oxide_kernel",
+ "oxide_runtime_api",
+ "oxide_types",
+ "regex",
+ "ryu",
+ "serde_json",
+ "unicode-normalization",
+]
+
 [[package]]
 name = "oxide_bytecode"
 version = "0.1.0"
@@ -1107,6 +1124,7 @@ version = "0.1.0"
 dependencies = [
  "oxide_kernel",
  "oxide_types",
+ "ryu",
 ]
 
 [[package]]
@@ -1143,6 +1161,7 @@ dependencies = [
  "fast-float",
  "indexmap",
  "memchr",
+ "oxide_builtins",
  "oxide_bytecode",
  "oxide_compiler",
  "oxide_kernel",