style: 修 rustfmt 格式化差异

crates/oxide_cli/src/main.rs

@@ -322,7 +322,12 @@ fn main() -> ExitCode {
 /// - watchdog spawn 脱离的 server 子进程，崩溃后经同一入口重启。
 fn server_command(command: ServerCommands) -> ExitCode {
     match command {
-        ServerCommands::Start { rm, idle_timeout, workers, foreground } => {
+        ServerCommands::Start {
+            rm,
+            idle_timeout,
+            workers,
+            foreground,
+        } => {
             if rm {
                 let mut config = RmServerConfig {
                     idle_timeout: Duration::from_secs(idle_timeout),
@@ -427,11 +432,7 @@ fn server_command(command: ServerCommands) -> ExitCode {
 /// 渲染 `ForgeStatus` 为多行文本：首行条目数，容量 / gc / 清缓存 / lookup
 /// 行按旗标结果附加。
 fn render_forge_status(
-    target: ForgeTarget,
+    target: ForgeTarget, entries: usize, capacity: usize, gc_collected: Option<usize>, cache_cleared: bool,
-    entries: usize,
-    capacity: usize,
-    gc_collected: Option<usize>,
-    cache_cleared: bool,
     lookup: Option<LookupResult>,
 ) -> String {
     let mut lines = vec![format!("{} forge: {entries} entries", target.as_str())];
@@ -573,10 +574,7 @@ fn restart_command() -> ExitCode {
 fn log_command(follow: bool, level: Option<Level>, lines: Option<usize>) -> ExitCode {
     let path = sidecar::well_known_log_path();
     if !path.exists() {
-        eprintln!(
+        eprintln!("{}", Red.paint(format!("日志文件不存在：{}（server 可能未启动过）", path.display())));
-            "{}",
-            Red.paint(format!("日志文件不存在：{}（server 可能未启动过）", path.display()))
-        );
         return ExitCode::FAILURE;
     }
 

crates/oxide_cli/src/server/forge.rs

@@ -31,11 +31,7 @@ use super::protocol::{ForgeTarget, LookupResult, ServerResponse};
 /// - --gc 重置各空闲 VM 的 session_bytes_allocated 为清扫后存活字节。
 /// - --clear-cache 清空字节码缓存（后续 eval 重编译）。
 pub fn handle_forge_query(
-    target: ForgeTarget,
+    target: ForgeTarget, gc: bool, clear_cache: bool, lookup: Option<String>, kernel: &Arc<KernelCore>,
-    gc: bool,
-    clear_cache: bool,
-    lookup: Option<String>,
-    kernel: &Arc<KernelCore>,
     pool: &Arc<VmPool>,
 ) -> ServerResponse {
     // 读目标 forge 条目数与容量。
@@ -140,7 +136,8 @@ mod tests {
             other => panic!("应得 ForgeStatus 帧，实得 {other:?}"),
         }
 
-        let response = handle_forge_query(ForgeTarget::String, false, false, Some("not-interned".into()), &kernel, &pool);
+        let response =
+            handle_forge_query(ForgeTarget::String, false, false, Some("not-interned".into()), &kernel, &pool);
         match response {
             ServerResponse::ForgeStatus { lookup, .. } => {
                 assert_eq!(lookup, Some(LookupResult::Absent), "未 intern 键应得 Absent");

crates/oxide_cli/src/server/liveness.rs

@@ -146,7 +146,8 @@ pub fn liveness_scan_with_waits(
 /// - 可能向 sidecar 记录的进程发 SIGTERM；可能删除 socket 与 sidecar 文件。
 /// - 杀进程决策与失败记入跨重启保留的日志文件。
 fn kill_zombie(
-    id: &sidecar::ServerIdentity, sidecar_path: &Path, socket_path: &Path, zombie_exit_window: Duration, kill_wait: Duration,
+    id: &sidecar::ServerIdentity, sidecar_path: &Path, socket_path: &Path, zombie_exit_window: Duration,
+    kill_wait: Duration,
 ) -> LivenessOutcome {
     // 有界等待 sidecar 消失：覆盖旧 server 退出序列窗口（排水 5 秒，sidecar
     // 最后删除）。消失即无操作，`claim_sidecar` 的 O_EXCL 创建成功。
@@ -313,10 +314,7 @@ mod tests {
         let sidecar = dir.path("sidecar.json");
         let socket = dir.path("server.sock");
         let listener = UnixListener::bind(&socket).expect("绑定监听者应成功");
-        sidecar::write_exclusive(
+        sidecar::write_exclusive(&sidecar::ServerIdentity::new(socket.to_str().unwrap(), "0.0.0"), &sidecar)
-            &sidecar::ServerIdentity::new(socket.to_str().unwrap(), "0.0.0"),
-            &sidecar,
-        )
             .expect("写 sidecar 应成功");
         let outcome = liveness_scan(&sidecar, &socket);
         assert_eq!(outcome, LivenessOutcome::Noop, "存活 socket 应判无操作");
@@ -395,7 +393,8 @@ mod tests {
         sidecar::write_exclusive(&id, &sidecar).expect("写 sidecar 应成功");
         // 注入短僵尸退出窗口（500 毫秒）加短杀进程等待（300 毫秒）：子进程忽略
         // SIGTERM，扫描判杀进程失败，文件原样。
-        let outcome = liveness_scan_with_waits(&sidecar, &socket, Duration::from_millis(500), Duration::from_millis(300));
+        let outcome =
+            liveness_scan_with_waits(&sidecar, &socket, Duration::from_millis(500), Duration::from_millis(300));
         assert_eq!(outcome, LivenessOutcome::KillFailed, "忽略 SIGTERM 应判杀进程失败");
         assert!(sidecar.exists(), "sidecar 应原样");
         assert!(!socket.exists(), "socket 文件应保持不存在");

crates/oxide_cli/src/server/log.rs

@@ -45,7 +45,11 @@ pub fn line_level(line: &str) -> Option<Level> {
 ///   `ERROR`/`WARN`/`INFO` 行。
 pub fn filter_tail(lines: &[String], min_level: Option<Level>, last_n: Option<usize>) -> Vec<String> {
     let mut filtered: Vec<String> = match min_level {
-        Some(min) => lines.iter().filter(|line| line_level(line).is_some_and(|level| level <= min)).cloned().collect(),
+        Some(min) => lines
+            .iter()
+            .filter(|line| line_level(line).is_some_and(|level| level <= min))
+            .cloned()
+            .collect(),
         None => lines.to_vec(),
     };
     match last_n {
@@ -85,7 +89,10 @@ pub fn follow(path: &Path, min_level: Option<Level>) {
 /// # 副作用
 /// - 向 writer 写行。
 fn follow_to<W: Write>(path: &Path, min_level: Option<Level>, writer: &mut W) {
-    let mut file = OpenOptions::new().read(true).open(path).expect("日志文件应存在（调用方已检查）");
+    let mut file = OpenOptions::new()
+        .read(true)
+        .open(path)
+        .expect("日志文件应存在（调用方已检查）");
     let mut offset = file.seek(SeekFrom::End(0)).expect("定位日志文件末尾应成功");
     let mut buf = [0u8; 8192];
     let mut pending = String::new();
@@ -176,11 +183,7 @@ mod tests {
         // info 留 ERROR/WARN/INFO 行，丢 DEBUG 行。
         assert_eq!(
             filter_tail(&lines, Some(Level::Info), None),
-            vec![
+            vec!["1700000000.001 INFO a: one", "1700000000.002 ERROR a: two", "1700000000.004 WARN a: four",]
-                "1700000000.001 INFO a: one",
-                "1700000000.002 ERROR a: two",
-                "1700000000.004 WARN a: four",
-            ]
         );
         // debug 留 DEBUG 与更严重行（全留）；trace 全留。
         assert_eq!(filter_tail(&lines, Some(Level::Debug), None), lines);

crates/oxide_cli/src/server/mod.rs

@@ -41,7 +41,7 @@ pub mod server;
 pub mod sidecar;
 /// spawn 与就绪探测：start、restart、watchdog 三条路径共用的唯一共享入口。
 pub mod spawn;
-/// worker 池：固定 N 常驻 worker、各持自有 VM 池、mpsc 轮询路由。
-pub mod workers;
 /// watchdog：前台监控进程，三态裁决加崩溃预算，崩溃后自动重启。
 pub mod watchdog;
+/// worker 池：固定 N 常驻 worker、各持自有 VM 池、mpsc 轮询路由。
+pub mod workers;

crates/oxide_cli/src/server/protocol.rs

@@ -201,12 +201,20 @@ impl ServerResponse {
 }
 
 /// 请求帧可取的 `type` 值（须与 `ServerRequest` 变体保持同步）。
-const REQUEST_TAGS: &[&str] =
+const REQUEST_TAGS: &[&str] = &["eval", "forge_query", "version", "status", "health", "info", "shutdown", "yield"];
-    &["eval", "forge_query", "version", "status", "health", "info", "shutdown", "yield"];
 
 /// 响应帧可取的 `type` 值（须与 `ServerResponse` 变体保持同步）。
-const RESPONSE_TAGS: &[&str] =
+const RESPONSE_TAGS: &[&str] = &[
-    &["eval_result", "forge_status", "version", "status", "health", "info", "shutdown", "yield", "error"];
+    "eval_result",
+    "forge_status",
+    "version",
+    "status",
+    "health",
+    "info",
+    "shutdown",
+    "yield",
+    "error",
+];
 
 /// 序列化请求为帧字符串（含结尾换行）。
 ///

crates/oxide_cli/src/server/server.rs

@@ -208,9 +208,7 @@ pub fn run_server(config: &ServerConfig) -> Result<(), ServerError> {
     // 命令。
     match liveness::liveness_scan(&config.sidecar_path, &config.socket_path) {
         liveness::LivenessOutcome::Noop | liveness::LivenessOutcome::Cleaned => {}
-        liveness::LivenessOutcome::KillFailed => {
+        liveness::LivenessOutcome::KillFailed => return Err(ServerError::ClaimRefused(ClaimResult::RefusedAmbiguous)),
-            return Err(ServerError::ClaimRefused(ClaimResult::RefusedAmbiguous))
-        }
     }
 
     // 认领 sidecar：同版本拒绝启动，异版本走交接路径，存活证据不足即返回错误。
@@ -1208,11 +1206,17 @@ mod tests {
     fn yield_takeover_end_to_end() {
         let config = unique_paths("yield_e2e");
         // A 用版本 0.0.1。
-        let config_a = ServerConfig { version: "0.0.1".to_string(), ..config.clone() };
+        let config_a = ServerConfig {
+            version: "0.0.1".to_string(),
+            ..config.clone()
+        };
         let handle_a = start_server(config_a);
 
         // B 用版本 0.0.2：认领得 VersionMismatch 转交接路径。
-        let config_b = ServerConfig { version: "0.0.2".to_string(), ..config.clone() };
+        let config_b = ServerConfig {
+            version: "0.0.2".to_string(),
+            ..config.clone()
+        };
         let handle_b = std::thread::spawn(move || run_server(&config_b));
 
         // A 应在 30 秒内有界退出（排水加退出序列）。

crates/oxide_cli/src/server/spawn.rs

@@ -30,10 +30,7 @@ pub fn spawn_detached_server(workers: Option<u32>) -> std::io::Result<std::proce
     if let Some(n) = workers {
         cmd.args(["--workers", &n.to_string()]);
     }
-    cmd.stdin(Stdio::null())
+    cmd.stdin(Stdio::null()).stdout(Stdio::null()).stderr(Stdio::null()).spawn()
-        .stdout(Stdio::null())
-        .stderr(Stdio::null())
-        .spawn()
 }
 
 /// 就绪探测：轮询健康请求直至得 healthy。

crates/oxide_cli/src/server/workers.rs

@@ -99,10 +99,7 @@ impl WorkerRouter {
 /// # 注意事项
 /// - 返回的句柄必须在关闭序列中逐一 join（drop 发送端 → join → drop 内核）。
 pub fn spawn_workers(
-    kernel: Arc<KernelCore>,
+    kernel: Arc<KernelCore>, counters: Arc<PoolCounters>, min_pool_size: usize, max_pool_size: Option<usize>,
-    counters: Arc<PoolCounters>,
-    min_pool_size: usize,
-    max_pool_size: Option<usize>,
     worker_count: usize,
 ) -> (WorkerRouter, Vec<JoinHandle<()>>) {
     let n = worker_count.max(1);
@@ -126,11 +123,7 @@ pub fn spawn_workers(
 fn worker_loop(receiver: mpsc::Receiver<WorkerTask>, kernel: Arc<KernelCore>, pool: Arc<VmPool>) {
     for task in receiver {
         match task {
-            WorkerTask::Eval {
+            WorkerTask::Eval { code, max_steps, reply } => {
-                code,
-                max_steps,
-                reply,
-            } => {
                 let response = eval::handle_eval(&code, max_steps, &kernel, &pool);
                 let _ = reply.send(response);
             }

crates/oxide_cli/tests/server_cli.rs

@@ -81,8 +81,7 @@ fn server_help_lists_subcommands() {
     assert!(output.status.success(), "server --help 应退 0");
     let stdout = String::from_utf8_lossy(&output.stdout);
     for name in [
-        "start", "stop", "status", "health", "info", "version", "cleanup", "restart", "log", "forge",
+        "start", "stop", "status", "health", "info", "version", "cleanup", "restart", "log", "forge", "watchdog",
-        "watchdog",
     ] {
         assert!(stdout.contains(name), "help 应列出 {name}：{stdout}");
     }
@@ -124,10 +123,7 @@ fn server_control_arms_no_server_exit_1() {
         let output = oxide(&["server", sub]);
         assert_eq!(output.status.code(), Some(1), "{sub} 应退 1");
         let stderr = String::from_utf8_lossy(&output.stderr);
-        assert!(
+        assert!(stderr.contains("无已注册的 server"), "{sub} 应打印无 server 提示：{stderr}");
-            stderr.contains("无已注册的 server"),
-            "{sub} 应打印无 server 提示：{stderr}"
-        );
     }
 }
 
@@ -145,10 +141,7 @@ fn server_forge_no_server_exit_1() {
     let output = oxide(&["server", "forge", "code"]);
     assert_eq!(output.status.code(), Some(1), "forge 应退 1");
     let stderr = String::from_utf8_lossy(&output.stderr);
-    assert!(
+    assert!(stderr.contains("无已注册的 server"), "forge 应打印无 server 提示：{stderr}");
-        stderr.contains("无已注册的 server"),
-        "forge 应打印无 server 提示：{stderr}"
-    );
 }
 
 /// cleanup 退 0（幂等：有残留则清理、无残留则报无残留），事后全局路径无文件。

crates/oxide_cli/tests/server_client.rs

@@ -53,8 +53,7 @@ fn control_client_end_to_end() {
     // 状态请求：worker 池异步预热，轮询至总数不小于 1 后核对字段。
     let deadline = Instant::now() + Duration::from_secs(5);
     let response = loop {
-        let response =
+        let response = send_control_request_from(&config.sidecar_path, &ServerRequest::Status).expect("状态请求应成功");
-            send_control_request_from(&config.sidecar_path, &ServerRequest::Status).expect("状态请求应成功");
         if let ServerResponse::Status { pool_total, .. } = &response {
             if *pool_total >= 1 {
                 break response;
@@ -89,12 +88,8 @@ fn control_client_end_to_end() {
     }
 
     // 关闭请求：得确认帧，server 线程正常退出，socket 与 sidecar 文件均被删。
-    let response =
+    let response = send_control_request_from(&config.sidecar_path, &ServerRequest::Shutdown).expect("关闭请求应成功");
-        send_control_request_from(&config.sidecar_path, &ServerRequest::Shutdown).expect("关闭请求应成功");
+    assert!(matches!(response, ServerResponse::Shutdown), "应得关闭确认帧：{response:?}");
-    assert!(
-        matches!(response, ServerResponse::Shutdown),
-        "应得关闭确认帧：{response:?}"
-    );
     let result = handle.join().expect("server 线程应正常退出");
     assert!(result.is_ok(), "server 应正常退出：{result:?}");
     assert!(!config.socket_path.exists(), "socket 文件应被删除");

crates/oxide_cli/tests/server_signal_int.rs

@@ -13,11 +13,7 @@ use oxide_cli::server::server::{run_server, ServerConfig, ServerError};
 /// 唯一临时路径（进程号加测试名）：单进程内唯一，进程间以进程号隔离。
 /// worker 数取小值 2：与既有单测同口径，大值徒增预热成本。
 fn unique_paths(test_name: &str) -> ServerConfig {
-    let dir = std::env::temp_dir().join(format!(
+    let dir = std::env::temp_dir().join(format!("oxide_server_signal_int_{}_{}", std::process::id(), test_name));
-        "oxide_server_signal_int_{}_{}",
-        std::process::id(),
-        test_name
-    ));
     std::fs::create_dir_all(&dir).expect("测试目录创建应成功");
     ServerConfig {
         socket_path: dir.join("server.sock"),

crates/oxide_cli/tests/server_signal_term.rs

@@ -13,11 +13,7 @@ use oxide_cli::server::server::{run_server, ServerConfig, ServerError};
 /// 唯一临时路径（进程号加测试名）：单进程内唯一，进程间以进程号隔离。
 /// worker 数取小值 2：与既有单测同口径，大值徒增预热成本。
 fn unique_paths(test_name: &str) -> ServerConfig {
-    let dir = std::env::temp_dir().join(format!(
+    let dir = std::env::temp_dir().join(format!("oxide_server_signal_term_{}_{}", std::process::id(), test_name));
-        "oxide_server_signal_term_{}_{}",
-        std::process::id(),
-        test_name
-    ));
     std::fs::create_dir_all(&dir).expect("测试目录创建应成功");
     ServerConfig {
         socket_path: dir.join("server.sock"),

crates/oxide_types/src/private_key/tests.rs

@@ -105,7 +105,10 @@ fn symbol_key_realm_dimensions_distinct() {
     assert_ne!(encode_symbol_key(0, 15), encode_symbol_key(1, 15));
     assert_ne!(encode_symbol_key(1, 15), encode_symbol_key(1, 16));
     // 跨 realm 同名 well-known 符号也产生不同键。
-    assert_ne!(encode_symbol_key(0, WELL_KNOWN_SYMBOL_ITERATOR), encode_symbol_key(2, WELL_KNOWN_SYMBOL_ITERATOR));
+    assert_ne!(
+        encode_symbol_key(0, WELL_KNOWN_SYMBOL_ITERATOR),
+        encode_symbol_key(2, WELL_KNOWN_SYMBOL_ITERATOR)
+    );
 }
 
 #[test]

crates/oxide_vm/src/async_func.rs

@@ -88,7 +88,8 @@ impl Vm {
         &mut self, callee: JsValue, this_value: JsValue, args: &[JsValue], promise: JsValue, resolve: JsValue,
         reject: JsValue,
     ) -> JsValue {
-        let proto_val = JsValue::from_js_object(self.realm.session.borrow().builtin_world().object_proto.as_ptr() as *mut JsObject);
+        let proto_val =
+            JsValue::from_js_object(self.realm.session.borrow().builtin_world().object_proto.as_ptr() as *mut JsObject);
         let ptr = self.alloc_object(JsObject::new_empty(EMPTY_SHAPE_ID, proto_val));
         let obj = unsafe { &mut *ptr };
         obj.type_tag = JsObject::OBJ_TYPE_ASYNC;
@@ -607,13 +608,20 @@ pub(crate) fn init_async_intrinsics(vm: &mut Vm) {
     let af_ctor_fn_ptr =
         unsafe { NativeFnPtr::from_raw(oxide_builtins::function::async_function_constructor::<Vm> as *const ()) };
     let (af_ctor_ptr, af_ctor_is_new) =
-        match vm.realm.session.borrow().builtin_world().find_fn_wrapper(af_reuse_key, af_ctor_fn_ptr, 1) {
+        match vm
+            .realm
+            .session
+            .borrow()
+            .builtin_world()
+            .find_fn_wrapper(af_reuse_key, af_ctor_fn_ptr, 1)
+        {
             Some(ptr) => (ptr, false),
             None => {
                 // [[Prototype]] = Function 构造器本体（与 Function 构造器同链，
                 // `Object.getPrototypeOf(AsyncFunction) === Function` 语义）。
-                let fn_ctor_val =
+                let fn_ctor_val = JsValue::from_js_object(
-                    JsValue::from_js_object(vm.realm.session.borrow().builtin_world().function_constructor.as_ptr() as *mut JsObject);
+                    vm.realm.session.borrow().builtin_world().function_constructor.as_ptr() as *mut JsObject,
+                );
                 let mut af_ctor = Box::new(JsObject::new_empty(EMPTY_SHAPE_ID, fn_ctor_val));
                 af_ctor.set_function(true);
                 af_ctor.set_native_arg_count(1);
@@ -638,7 +646,11 @@ pub(crate) fn init_async_intrinsics(vm: &mut Vm) {
                 af_ctor.set_shape_id(tag_shape);
                 let af_ctor_ptr = Box::into_raw(af_ctor);
                 // 登记进 world 释放表（带复用键）：session 收尾统一释放构造器本体与属性区。
-                vm.realm.session.borrow().builtin_world().track_fn_wrapper(af_ctor_ptr, af_reuse_key);
+                vm.realm
+                    .session
+                    .borrow()
+                    .builtin_world()
+                    .track_fn_wrapper(af_ctor_ptr, af_reuse_key);
                 (af_ctor_ptr, true)
             }
         };

crates/oxide_vm/src/async_generator.rs

@@ -103,7 +103,8 @@ impl Vm {
     pub(crate) fn create_async_generator_object(
         &mut self, callee: JsValue, this_value: JsValue, args: &[JsValue],
     ) -> Result<JsValue, String> {
-        let gen_proto_val = JsValue::from_js_object(self.realm.async_generator_proto.borrow().as_ptr() as *mut JsObject);
+        let gen_proto_val =
+            JsValue::from_js_object(self.realm.async_generator_proto.borrow().as_ptr() as *mut JsObject);
         let obj = self.alloc_object(JsObject::new_empty(EMPTY_SHAPE_ID, gen_proto_val));
         let obj_ref = unsafe { &mut *obj };
         obj_ref.type_tag = JsObject::OBJ_TYPE_ASYNC_GENERATOR;
@@ -1604,7 +1605,8 @@ pub(crate) fn init_async_generator_intrinsics(vm: &mut Vm) {
     let proto2_si = sf.intern("prototype").0;
     let proto2_shape = sh.make_shape(agf_proto.shape_id(), proto2_si);
     agf_proto.set_shape_id(proto2_shape);
-    let ppos2 = agf_proto.push_prop(JsValue::from_js_object(vm.realm.async_generator_proto.borrow().as_ptr() as *mut JsObject));
+    let ppos2 =
+        agf_proto.push_prop(JsValue::from_js_object(vm.realm.async_generator_proto.borrow().as_ptr() as *mut JsObject));
     agf_proto.set_data_meta(ppos2, PropAttributes::new(false, false, true));
     // agf_proto[Symbol.toStringTag] = "AsyncGeneratorFunction"（数据属性，w/e/c = false/false/true）。
     let tag2_key = oxide_types::private_key::encode_symbol_key(
@@ -1624,7 +1626,8 @@ pub(crate) fn init_async_generator_intrinsics(vm: &mut Vm) {
     // SAFETY: agf_ctor_ptr 为 Box 原分配（已登记释放表、生命周期覆盖 session），本 Vm 独占。
     unsafe {
         let ctor_mut = &mut *agf_ctor_ptr;
-        let proto_val = JsValue::from_js_object(vm.realm.async_generator_function_proto.borrow().as_ptr() as *mut JsObject);
+        let proto_val =
+            JsValue::from_js_object(vm.realm.async_generator_function_proto.borrow().as_ptr() as *mut JsObject);
         let name_val = JsValue::perm_string(sf.string_ptr(sf.intern("AsyncGeneratorFunction").0));
         if agf_ctor_is_new {
             let lpos = ctor_mut.push_prop(JsValue::int(1));

crates/oxide_vm/src/bindings/bind_typed_array.rs

@@ -256,7 +256,10 @@ pub fn bind_typed_array(core: &Arc<KernelCore>, session: &KernelSession, global:
         core,
         session,
         shared_proto,
-        oxide_types::private_key::encode_symbol_key(realm_id, oxide_types::private_key::WELL_KNOWN_SYMBOL_TO_STRING_TAG),
+        oxide_types::private_key::encode_symbol_key(
+            realm_id,
+            oxide_types::private_key::WELL_KNOWN_SYMBOL_TO_STRING_TAG,
+        ),
         "get [Symbol.toStringTag]",
         oxide_builtins::typed_array::typed_array_to_string_tag_getter::<crate::vm::Vm> as *const (),
     );

crates/oxide_vm/src/bindings/bind_weak.rs

@@ -89,8 +89,10 @@ pub fn bind_weak_map(core: &Arc<KernelCore>, session: &mut KernelSession, global
     proto.ensure_hash_props().push(JsValue::from_js_object(ctor_ptr));
     let ctor_pos = proto.hash_props_vec().map_or(0, |v| v.len() as u32).saturating_sub(1);
     proto.set_data_meta(ctor_pos, PropAttributes::new(true, false, true));
-    let tag_key =
+    let tag_key = oxide_types::private_key::encode_symbol_key(
-        oxide_types::private_key::encode_symbol_key(realm_id, oxide_types::private_key::WELL_KNOWN_SYMBOL_TO_STRING_TAG);
+        realm_id,
+        oxide_types::private_key::WELL_KNOWN_SYMBOL_TO_STRING_TAG,
+    );
     let tag_shape = core.shape_forge().make_shape(proto.shape_id(), tag_key);
     proto.set_shape_id(tag_shape);
     proto.ensure_hash_props().push(JsValue::perm_string(

crates/oxide_vm/src/bindings/mod.rs

@@ -510,8 +510,10 @@ fn bind_iterator_protos(core: &Arc<KernelCore>, session: &KernelSession, realm_i
             oxide_builtins::iterator::iterator_constructor_setter::<crate::vm::Vm> as *const (),
         );
     }
-    let sym_to_string_tag =
+    let sym_to_string_tag = oxide_types::private_key::encode_symbol_key(
-        oxide_types::private_key::encode_symbol_key(realm_id, oxide_types::private_key::WELL_KNOWN_SYMBOL_TO_STRING_TAG);
+        realm_id,
+        oxide_types::private_key::WELL_KNOWN_SYMBOL_TO_STRING_TAG,
+    );
     if core
         .shape_forge()
         .lookup_position(iter_proto.shape_id(), sym_to_string_tag)
@@ -603,8 +605,10 @@ fn bind_iterator_protos(core: &Arc<KernelCore>, session: &KernelSession, realm_i
             realm_id,
         );
     }
-    let sym_adispose =
+    let sym_adispose = oxide_types::private_key::encode_symbol_key(
-        oxide_types::private_key::encode_symbol_key(realm_id, oxide_types::private_key::WELL_KNOWN_SYMBOL_ASYNC_DISPOSE);
+        realm_id,
+        oxide_types::private_key::WELL_KNOWN_SYMBOL_ASYNC_DISPOSE,
+    );
     if core
         .shape_forge()
         .lookup_position(aiter_proto.shape_id(), sym_adispose)

crates/oxide_vm/src/generator.rs

@@ -892,7 +892,8 @@ pub(crate) fn init_generator_intrinsics(vm: &mut Vm) {
     let proto2_si = sf.intern("prototype").0;
     let proto2_shape = sh.make_shape(gf_proto.shape_id(), proto2_si);
     gf_proto.set_shape_id(proto2_shape);
-    let ppos2 = gf_proto.push_prop(JsValue::from_js_object(vm.realm.generator_proto.borrow().as_ptr() as *mut JsObject));
+    let ppos2 =
+        gf_proto.push_prop(JsValue::from_js_object(vm.realm.generator_proto.borrow().as_ptr() as *mut JsObject));
     gf_proto.set_data_meta(ppos2, oxide_types::object::PropAttributes::new(false, false, true));
     // gf_proto[Symbol.toStringTag] = "GeneratorFunction"（数据属性，w/e/c = false/false/true）。
     let tag2_key = oxide_types::private_key::encode_symbol_key(

crates/oxide_vm/src/promise/aggregate.rs

@@ -25,7 +25,8 @@ impl Vm {
     /// 创建聚合静态方法（all/race/allSettled/any）的共享记录对象：剩余计数
     /// 初始 1，结果数组（race 无）与能力 resolve/reject 闭包全部存为自身属性。
     fn make_agg_record(&mut self, values: JsValue, resolve: JsValue, reject: JsValue) -> JsValue {
-        let proto_val = JsValue::from_js_object(self.realm.session.borrow().builtin_world().object_proto.as_ptr() as *mut JsObject);
+        let proto_val =
+            JsValue::from_js_object(self.realm.session.borrow().builtin_world().object_proto.as_ptr() as *mut JsObject);
         let ptr = self.alloc_object(JsObject::new_empty(EMPTY_SHAPE_ID, proto_val));
         // SAFETY: ptr 由 alloc_object 新建，返回非空 arena 指针；本次 native 调用内不搬移，借出期间无别名。
         let obj = unsafe { &mut *ptr };
@@ -43,7 +44,8 @@ impl Vm {
     /// 创建 keyed 聚合静态方法的共享记录对象：剩余计数（初始 1）、结果平行数组、
     /// 键平行数组与能力 resolve/reject 闭包存为自身属性。
     fn make_agg_record_keyed(&mut self, values: JsValue, keys: JsValue, resolve: JsValue, reject: JsValue) -> JsValue {
-        let proto_val = JsValue::from_js_object(self.realm.session.borrow().builtin_world().object_proto.as_ptr() as *mut JsObject);
+        let proto_val =
+            JsValue::from_js_object(self.realm.session.borrow().builtin_world().object_proto.as_ptr() as *mut JsObject);
         let ptr = self.alloc_object(JsObject::new_empty(EMPTY_SHAPE_ID, proto_val));
         // SAFETY: ptr 由 alloc_object 新建，返回非空 arena 指针；本次 native 调用内不搬移，借出期间无别名。
         let obj = unsafe { &mut *ptr };
@@ -96,7 +98,8 @@ impl Vm {
 
     /// 构造 allSettled 的结算记录 `{status, <value_field>: value}` 普通对象。
     fn make_settled_record(&mut self, status: &str, value_field: &str, value: JsValue) -> JsValue {
-        let proto_val = JsValue::from_js_object(self.realm.session.borrow().builtin_world().object_proto.as_ptr() as *mut JsObject);
+        let proto_val =
+            JsValue::from_js_object(self.realm.session.borrow().builtin_world().object_proto.as_ptr() as *mut JsObject);
         let ptr = self.alloc_object(JsObject::new_empty(EMPTY_SHAPE_ID, proto_val));
         // SAFETY: ptr 由 alloc_object 新建，返回非空 arena 指针；写 status/value 属性（含 new_string 分配）期间不搬移，借出期间无别名。
         let obj = unsafe { &mut *ptr };
@@ -132,7 +135,8 @@ impl Vm {
 
     /// 把 errors 可迭代值收集为新数组（IterableToList）。不可迭代抛 TypeError。
     fn aggregate_errors_to_list(&mut self, errors: JsValue) -> Result<JsValue, JsValue> {
-        let array_proto = JsValue::from_js_object(self.realm.session.borrow().builtin_world().array_proto.as_ptr() as *mut JsObject);
+        let array_proto =
+            JsValue::from_js_object(self.realm.session.borrow().builtin_world().array_proto.as_ptr() as *mut JsObject);
         let ptr = self.alloc_object(JsObject::new_array(EMPTY_SHAPE_ID, array_proto, 0));
         let list = JsValue::from_js_object(ptr);
         let mut index = 0usize;
@@ -148,7 +152,8 @@ impl Vm {
 
     /// 建普通数组对象并依次写入元素（Promise.try 转发实参的承载）。
     fn make_plain_array(&mut self, elements: Vec<JsValue>) -> JsValue {
-        let array_proto = JsValue::from_js_object(self.realm.session.borrow().builtin_world().array_proto.as_ptr() as *mut JsObject);
+        let array_proto =
+            JsValue::from_js_object(self.realm.session.borrow().builtin_world().array_proto.as_ptr() as *mut JsObject);
         let ptr = self.alloc_object(JsObject::new_array(EMPTY_SHAPE_ID, array_proto, 0));
         // SAFETY: ptr 由 alloc_object 新建，返回非空 arena 指针；元素写入不搬移对象。
         let obj = unsafe { &mut *ptr };
@@ -210,8 +215,9 @@ impl Vm {
         proto.set_data_meta(msg_pos, PropAttributes::new(true, false, true));
 
         // %AggregateError% 构造器：proto = %Error%（NativeError 构造器继承 Error 构造器），length 2。
-        let error_ctor_val =
+        let error_ctor_val = JsValue::from_js_object(
-            JsValue::from_js_object(self.realm.session.borrow().builtin_world().error_constructor.as_ptr() as *mut JsObject);
+            self.realm.session.borrow().builtin_world().error_constructor.as_ptr() as *mut JsObject,
+        );
         let mut ctor = Box::new(JsObject::new_empty(EMPTY_SHAPE_ID, error_ctor_val));
         ctor.set_function(true);
         ctor.type_tag = JsObject::OBJ_TYPE_CONSTRUCTOR;
@@ -239,18 +245,24 @@ impl Vm {
         Self::swap_intrinsic_proto(&mut self.realm.aggregate_error_constructor.borrow_mut(), *ctor);
         // SAFETY: aggregate_error_proto 为堆址固定的 P<JsObject>（Arc 透明包装），本行前刚经 swap_intrinsic_proto 落地；与 ctor_mut 分属不同对象，无别名。
         let proto_mut = unsafe { &mut *self.realm.aggregate_error_proto.borrow().as_mut_ptr() };
-        proto_mut
+        proto_mut.set_prop_at(
-            .set_prop_at(0u32, JsValue::from_js_object(self.realm.aggregate_error_constructor.borrow().as_ptr() as *mut JsObject));
+            0u32,
+            JsValue::from_js_object(self.realm.aggregate_error_constructor.borrow().as_ptr() as *mut JsObject),
+        );
         // SAFETY: aggregate_error_constructor 同为堆址固定的 P<JsObject>（Arc 透明包装）；此处写 prototype 槽位（下标 2），与 proto_mut 分属不同对象，无别名。
         let ctor_mut = unsafe { &mut *self.realm.aggregate_error_constructor.borrow().as_mut_ptr() };
-        ctor_mut.set_prop_at(2u32, JsValue::from_js_object(self.realm.aggregate_error_proto.borrow().as_ptr() as *mut JsObject));
+        ctor_mut.set_prop_at(
+            2u32,
+            JsValue::from_js_object(self.realm.aggregate_error_proto.borrow().as_ptr() as *mut JsObject),
+        );
 
         // 绑定 global（槽已存在则更新）。
         let global_ptr = self.realm.session.borrow().global_object().as_ptr() as *mut JsObject;
         // SAFETY: global 对象由 session 持有，存活整个 session；本函数内只改其 shape/属性区，期间无 reset 或对象搬移。
         let global = unsafe { &mut *global_ptr };
         let si = self.kernel_core.perm_interner().intern("AggregateError").0;
-        let ctor_val = JsValue::from_js_object(self.realm.aggregate_error_constructor.borrow().as_ptr() as *mut JsObject);
+        let ctor_val =
+            JsValue::from_js_object(self.realm.aggregate_error_constructor.borrow().as_ptr() as *mut JsObject);
         if let Some(pos) = self.kernel_core.shape_forge().lookup_position(global.shape_id(), si) {
             global.set_prop_at(pos, ctor_val);
         } else {
@@ -353,7 +365,8 @@ pub(super) fn promise_static_with_resolvers(vm: &mut Vm, args: &[u8]) -> NativeR
         Ok(t) => t,
         Err(err) => return NativeResult::Err(err),
     };
-    let object_proto = JsValue::from_js_object(vm.realm.session.borrow().builtin_world().object_proto.as_ptr() as *mut JsObject);
+    let object_proto =
+        JsValue::from_js_object(vm.realm.session.borrow().builtin_world().object_proto.as_ptr() as *mut JsObject);
     let ptr = vm.alloc_object(JsObject::new_empty(EMPTY_SHAPE_ID, object_proto));
     // SAFETY: ptr 由 alloc_object 新建，返回非空 arena 指针；写 promise/resolve/reject 属性期间不搬移，借出期间无别名。
     let obj = unsafe { &mut *ptr };
@@ -478,7 +491,8 @@ fn perform_promise_combine(
     let values = if kind == AggregateKind::Race {
         JsValue::undefined()
     } else {
-        let array_proto = JsValue::from_js_object(vm.realm.session.borrow().builtin_world().array_proto.as_ptr() as *mut JsObject);
+        let array_proto =
+            JsValue::from_js_object(vm.realm.session.borrow().builtin_world().array_proto.as_ptr() as *mut JsObject);
         let ptr = vm.alloc_object(JsObject::new_array(EMPTY_SHAPE_ID, array_proto, 0));
         JsValue::from_js_object(ptr)
     };

crates/oxide_vm/src/promise/constructor.rs

@@ -117,8 +117,9 @@ impl Vm {
                 self.realm.session.borrow().builtin_world().data_view_constructor.as_ptr() as *mut JsObject,
             );
             let this_val = if is_data_view {
-                let data_view_proto_val =
+                let data_view_proto_val = JsValue::from_js_object(
-                    JsValue::from_js_object(self.realm.session.borrow().builtin_world().data_view_proto.as_ptr() as *mut JsObject);
+                    self.realm.session.borrow().builtin_world().data_view_proto.as_ptr() as *mut JsObject,
+                );
                 JsValue::from_js_object(self.alloc_object(JsObject::new_empty(EMPTY_SHAPE_ID, data_view_proto_val)))
             } else {
                 let this_ptr = self.alloc_ctor_this(nt_obj, ctor_obj, new_target)?;
@@ -156,7 +157,8 @@ impl Vm {
         &mut self, nt_obj: &JsObject, ctor_obj: &JsObject, nt_val: JsValue,
     ) -> Result<*mut JsObject, JsValue> {
         let proto_si = self.kernel_core.perm_interner().intern("prototype").0;
-        let object_proto = JsValue::from_js_object(self.realm.session.borrow().builtin_world().object_proto.as_ptr() as *mut JsObject);
+        let object_proto =
+            JsValue::from_js_object(self.realm.session.borrow().builtin_world().object_proto.as_ptr() as *mut JsObject);
         let is_native_ctor = ctor_obj.native_fn().is_some() && ctor_obj.type_tag == JsObject::OBJ_TYPE_CONSTRUCTOR;
         let proto_val = if is_native_ctor {
             match self.resolve_property(nt_obj, proto_si) {
@@ -337,12 +339,16 @@ impl Vm {
         // SAFETY: `promise_proto` 为 `P<JsObject>`（Arc 透明包装），堆址固定且本行前刚经
         // swap_intrinsic_proto 落地；与下一处 ctor_mut 指向不同对象，无别名。
         let proto_mut = unsafe { &mut *self.realm.promise_proto.borrow().as_mut_ptr() };
-        proto_mut.set_prop_at(0u32, JsValue::from_js_object(self.realm.promise_constructor.borrow().as_ptr() as *mut JsObject));
+        proto_mut.set_prop_at(
+            0u32,
+            JsValue::from_js_object(self.realm.promise_constructor.borrow().as_ptr() as *mut JsObject),
+        );
         // SAFETY: `promise_constructor` 同为堆址固定的存活 `P<JsObject>`（Arc 透明包装）；
         // 此处写 prototype 槽位（下标 2），与 proto_mut 分属不同对象，无别名。
         let ctor_mut = unsafe { &mut *self.realm.promise_constructor.borrow().as_mut_ptr() };
         // prototype 槽位在 length/name 之后（下标 2）。
-        ctor_mut.set_prop_at(2u32, JsValue::from_js_object(self.realm.promise_proto.borrow().as_ptr() as *mut JsObject));
+        ctor_mut
+            .set_prop_at(2u32, JsValue::from_js_object(self.realm.promise_proto.borrow().as_ptr() as *mut JsObject));
 
         // Promise[Symbol.species] 访问器：getter 返回 receiver，派生类沿静态原型链
         // 解析 @@species 得自身构造器。ctor 经本函数每次调用全新构造，同键槽不累积。

crates/oxide_vm/src/session_gc.rs

@@ -774,7 +774,14 @@ impl SessionGc {
     /// forwarding 表与根指针重写。在字符串清扫之后运行。
     /// 返回释放的字节数。
     pub(crate) fn sweep_session_bigints(&mut self, vm: &mut Vm) -> u64 {
-        let old = vm.realm.gc.borrow_mut().session_bigint_ptrs.borrow_mut().drain(..).collect::<Vec<_>>();
+        let old = vm
+            .realm
+            .gc
+            .borrow_mut()
+            .session_bigint_ptrs
+            .borrow_mut()
+            .drain(..)
+            .collect::<Vec<_>>();
         let mut freed = 0u64;
         let mut live = Vec::with_capacity(old.len());
         for ptr in old {
@@ -809,7 +816,14 @@ impl SessionGc {
     /// 统计、不重算存活账目。
     /// 返回释放的字节数。
     pub(crate) fn sweep_session_cells(&mut self, vm: &mut Vm) -> u64 {
-        let old = vm.realm.gc.borrow_mut().session_cell_ptrs.borrow_mut().drain(..).collect::<Vec<_>>();
+        let old = vm
+            .realm
+            .gc
+            .borrow_mut()
+            .session_cell_ptrs
+            .borrow_mut()
+            .drain(..)
+            .collect::<Vec<_>>();
         let mut freed = 0u64;
         let mut live = Vec::with_capacity(old.len());
         for ptr in old {

crates/oxide_vm/src/session_gc/tests.rs

@@ -563,7 +563,8 @@ fn weak_map_dead_key_freed_by_in_run_sweep() {
     // 键无强根：仅表内弱边引用。
     let key = plain_object(&mut vm);
     // P 键（builtin 原型，不可死）：对照条目须保留。
-    let p_key = JsValue::from_js_object(vm.realm.session.borrow().builtin_world().object_proto.as_ptr() as *mut JsObject);
+    let p_key =
+        JsValue::from_js_object(vm.realm.session.borrow().builtin_world().object_proto.as_ptr() as *mut JsObject);
     unsafe {
         oxide_builtins::weak_map::weak_map_insert(
             &mut *wm,
@@ -1196,7 +1197,10 @@ fn live_closure_cell_survives_full_collect() {
     collect(&mut vm);
 
     // 只断言表成员——sweep 已释放的指针解引用即 UB。
-    assert!(vm.realm.gc.borrow().session_cell_ptrs.borrow().contains(&cell_ptr), "活 cell 应跨完整收集存活");
+    assert!(
+        vm.realm.gc.borrow().session_cell_ptrs.borrow().contains(&cell_ptr),
+        "活 cell 应跨完整收集存活"
+    );
 }
 
 /// 活跃帧 cell_stack 根：内层函数 upvalue cell 在活跃帧 cell_stack 上（低阈值使
@@ -1256,7 +1260,10 @@ fn suspended_state_box_cell_root_survives_collect() {
     collect(&mut vm);
 
     // 只断言表成员——sweep 已释放的指针解引用即 UB。
-    assert!(vm.realm.gc.borrow().session_cell_ptrs.borrow().contains(&cell_ptr), "挂起帧 cell 应跨完整收集存活");
+    assert!(
+        vm.realm.gc.borrow().session_cell_ptrs.borrow().contains(&cell_ptr),
+        "挂起帧 cell 应跨完整收集存活"
+    );
 
     // 恢复后读值：cell 未被误释放。
     let read = vm.run(&Arc::new(compile("globalThis.g.next().value"))).expect("read");
@@ -1394,7 +1401,12 @@ fn strings_only_collection_preserves_all_root_kinds() {
 
     assert!(vm.realm.gc.borrow().session_string_ptrs.contains(&reg_str.as_string_ptr_mut()));
     assert!(vm.realm.gc.borrow().session_string_ptrs.contains(&prop_str.as_string_ptr_mut()));
-    assert!(vm.realm.gc.borrow().session_string_ptrs.contains(&epoch_str.as_string_ptr_mut()));
+    assert!(vm
+        .realm
+        .gc
+        .borrow()
+        .session_string_ptrs
+        .contains(&epoch_str.as_string_ptr_mut()));
     assert!(!vm.realm.gc.borrow().session_string_ptrs.contains(&dead_ptr));
     // 存活串内容可读，地址稳定。
     assert_eq!(unsafe { (*reg_str.as_string_ptr_mut()).as_str() }, "reg-root".repeat(16));
@@ -1713,7 +1725,10 @@ fn active_and_suspended_for_in_do_not_block_in_run_collection() {
 
     vm.maybe_collect_in_run();
     assert_eq!(vm.session_gc_stats().total_collections, 1, "无门控：活跃 for-in 存在时收集照常执行");
-    assert!(!vm.realm.gc.borrow().session_object_ptrs.contains(&dead), "死 session 对象应被原地释放并出表");
+    assert!(
+        !vm.realm.gc.borrow().session_object_ptrs.contains(&dead),
+        "死 session 对象应被原地释放并出表"
+    );
 
     // 挂起形：生成器在 for-in 内 yield 后 run 结束，迭代器经状态盒持有
     // （vm.iters 已空）——键经状态盒边入根收集标活，收集照常执行。

crates/oxide_vm/src/vm/gc_hooks.rs

@@ -93,7 +93,10 @@ impl Vm {
         f(RootGroup::ExceptionValue, self.exception_value.unwrap_or(JsValue::undefined()));
         f(RootGroup::PendingException, self.pending_exception.unwrap_or(JsValue::undefined()));
         f(RootGroup::LastUncaught, self.last_uncaught_value.unwrap_or(JsValue::undefined()));
-        f(RootGroup::PendingLengthException, self.pending_length_exception.unwrap_or(JsValue::undefined()));
+        f(
+            RootGroup::PendingLengthException,
+            self.pending_length_exception.unwrap_or(JsValue::undefined()),
+        );
         // 悬挂的 return 完成持有返回值，是 GC 根。
         if let Some(Completion::Return { value, .. }) = self.pending_completion {
             f(RootGroup::PendingCompletion, value);
@@ -150,7 +153,10 @@ impl Vm {
                 }
             }
         }
-        f(RootGroup::Global, JsValue::from_js_object(self.realm.session.borrow().global_object().as_ptr() as *mut JsObject));
+        f(
+            RootGroup::Global,
+            JsValue::from_js_object(self.realm.session.borrow().global_object().as_ptr() as *mut JsObject),
+        );
     }
 
     /// GC 根统一枚举入口：遍历的字段清单与 `for_each_value` 相同。
@@ -266,7 +272,8 @@ impl Vm {
             // SAFETY: ptr 在字符串表登记，收尾前有效。
             bytes += (std::mem::size_of::<JsString>() + unsafe { (*ptr).payload_bytes() }) as u64;
         }
-        bytes += (self.realm.gc.borrow().session_bigint_ptrs.borrow().len() * std::mem::size_of::<num_bigint::BigInt>()) as u64;
+        bytes += (self.realm.gc.borrow().session_bigint_ptrs.borrow().len() * std::mem::size_of::<num_bigint::BigInt>())
+            as u64;
         bytes += (self.realm.gc.borrow().session_cell_ptrs.borrow().len() * std::mem::size_of::<Cell>()) as u64;
         bytes
     }

crates/oxide_vm/src/vm_pool.rs

@@ -114,10 +114,7 @@ impl VmPool {
     /// # 副作用
     /// - 同步创建 `min_size` 个 Vm。
     pub fn with_counters(
-        kernel_core: Arc<KernelCore>,
+        kernel_core: Arc<KernelCore>, min_size: usize, max_size: Option<usize>, counters: Arc<PoolCounters>,
-        min_size: usize,
-        max_size: Option<usize>,
-        counters: Arc<PoolCounters>,
     ) -> Arc<Self> {
         let warm = min_size.min(max_size.unwrap_or(min_size));
         let pool = Arc::new(Self {

crates/oxide_vm/src/vm_support.rs

@@ -80,7 +80,10 @@ impl Vm {
                 aggregate_error_proto: RefCell::new(P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null()))),
                 async_function_proto: RefCell::new(P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null()))),
                 async_generator_proto: RefCell::new(P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null()))),
-                async_generator_function_proto: RefCell::new(P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null()))),
+                async_generator_function_proto: RefCell::new(P::new(JsObject::new_empty(
+                    EMPTY_SHAPE_ID,
+                    JsValue::null(),
+                ))),
                 gc: RefCell::new(GcState {
                     session_gc: crate::session_gc::SessionGc::new(),
                     session_object_ptrs: Vec::new(),
@@ -230,7 +233,10 @@ impl Vm {
                 aggregate_error_proto: RefCell::new(P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null()))),
                 async_function_proto: RefCell::new(P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null()))),
                 async_generator_proto: RefCell::new(P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null()))),
-                async_generator_function_proto: RefCell::new(P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null()))),
+                async_generator_function_proto: RefCell::new(P::new(JsObject::new_empty(
+                    EMPTY_SHAPE_ID,
+                    JsValue::null(),
+                ))),
                 gc: RefCell::new(GcState {
                     session_gc: crate::session_gc::SessionGc::new(),
                     session_object_ptrs: Vec::new(),
@@ -400,9 +406,7 @@ impl Vm {
                 self.realm_id(),
             );
         }
-        *self.realm
+        *self.realm.object_prototype.borrow_mut() = P::clone(&self.realm.session.borrow().builtin_world().object_proto);
-            .object_prototype
-            .borrow_mut() = P::clone(&self.realm.session.borrow().builtin_world().object_proto);
         self.init_generator_intrinsics();
         self.init_promise_intrinsics();
         self.init_async_intrinsics();
@@ -418,9 +422,7 @@ impl Vm {
     pub fn full_reset_legacy_for_bench(&mut self) {
         *self.realm.session.borrow_mut() = KernelSession::new(&self.kernel_core);
         bindings::init_kernel_builtins(&self.kernel_core, &mut self.realm.session.borrow_mut(), self.realm_id());
-        *self.realm
+        *self.realm.object_prototype.borrow_mut() = P::clone(&self.realm.session.borrow().builtin_world().object_proto);
-            .object_prototype
-            .borrow_mut() = P::clone(&self.realm.session.borrow().builtin_world().object_proto);
         self.init_generator_intrinsics();
         self.init_promise_intrinsics();
         self.init_async_intrinsics();
@@ -762,7 +764,9 @@ impl Vm {
             } else if is_generator {
                 JsValue::from_js_object(self.realm.generator_proto.borrow().as_ptr() as *mut JsObject)
             } else {
-                JsValue::from_js_object(self.realm.session.borrow().builtin_world().object_proto.as_ptr() as *mut JsObject)
+                JsValue::from_js_object(
+                    self.realm.session.borrow().builtin_world().object_proto.as_ptr() as *mut JsObject
+                )
             };
             // prototype 子对象与函数本体同走 session 分配：`f.prototype ===
             // globalThis.f.prototype` 要求两侧同一对象，逃逸写不会克隆出第二份。

crates/oxide_vm/src/vm_support/tests.rs

@@ -288,7 +288,10 @@ fn full_reset_clean_keeps_session_objects() {
 
     assert!(std::ptr::eq(world_ptr, Arc::as_ptr(&vm.realm.session.borrow().builtin_world)));
     assert!(std::ptr::eq(global_ptr, vm.realm.session.borrow().global_object.as_ptr()));
-    assert!(std::ptr::eq(object_proto_ptr, vm.realm.session.borrow().builtin_world().object_proto.as_ptr()));
+    assert!(std::ptr::eq(
+        object_proto_ptr,
+        vm.realm.session.borrow().builtin_world().object_proto.as_ptr()
+    ));
     assert!(!vm.realm.session.borrow().is_dirty_since_snapshot());
 }
 
@@ -326,8 +329,14 @@ fn full_reset_dirty_builtin_rebinds_global_slot() {
 
     vm.full_reset();
 
-    assert!(std::ptr::eq(old_object_proto, vm.realm.session.borrow().builtin_world().object_proto.as_ptr()));
+    assert!(std::ptr::eq(
-    assert!(!std::ptr::eq(old_array_proto, vm.realm.session.borrow().builtin_world().array_proto.as_ptr()));
+        old_object_proto,
+        vm.realm.session.borrow().builtin_world().object_proto.as_ptr()
+    ));
+    assert!(!std::ptr::eq(
+        old_array_proto,
+        vm.realm.session.borrow().builtin_world().array_proto.as_ptr()
+    ));
     assert!(std::ptr::eq(
         global_prop(&vm, "Array").as_js_object_ptr(),
         vm.realm.session.borrow().builtin_world().array_constructor.as_ptr() as *mut JsObject
@@ -599,7 +608,10 @@ fn full_reset_refreshes_object_prototype_after_object_dirty() {
 
     vm.full_reset();
 
-    assert!(!std::ptr::eq(old_object_proto, vm.realm.session.borrow().builtin_world().object_proto.as_ptr()));
+    assert!(!std::ptr::eq(
+        old_object_proto,
+        vm.realm.session.borrow().builtin_world().object_proto.as_ptr()
+    ));
     assert!(std::ptr::eq(
         vm.realm.object_prototype.borrow().as_ptr(),
         vm.realm.session.borrow().builtin_world().object_proto.as_ptr()
@@ -618,8 +630,14 @@ fn full_reset_object_dirty_rebinds_iterator_family() {
     vm.full_reset();
 
     // object 家族与迭代器原型全部重建（新原型链到新 Object.prototype）。
-    assert!(!std::ptr::eq(old_object_proto, vm.realm.session.borrow().builtin_world().object_proto.as_ptr()));
+    assert!(!std::ptr::eq(
-    assert!(!std::ptr::eq(old_iterator_proto, vm.realm.session.borrow().builtin_world().iterator_proto.as_ptr()));
+        old_object_proto,
+        vm.realm.session.borrow().builtin_world().object_proto.as_ptr()
+    ));
+    assert!(!std::ptr::eq(
+        old_iterator_proto,
+        vm.realm.session.borrow().builtin_world().iterator_proto.as_ptr()
+    ));
     // global 保留（dirty.global=false）：其 Iterator 函数对象的 prototype
     // 属性须对齐到重建后的 %IteratorPrototype%。
     let iter_val = global_prop(&vm, "Iterator");
@@ -872,7 +890,10 @@ fn full_reset_value_overwrite_on_builtin_proto_rebuilds_family() {
 
     vm.full_reset();
 
-    assert!(!std::ptr::eq(old_array_proto, vm.realm.session.borrow().builtin_world().array_proto.as_ptr()));
+    assert!(!std::ptr::eq(
+        old_array_proto,
+        vm.realm.session.borrow().builtin_world().array_proto.as_ptr()
+    ));
     let t = run_source(&mut vm, "typeof Array.prototype.push");
     assert_eq!(vm.lookup_str(t).as_deref(), Some("function"));
     assert_eq!(run_source(&mut vm, "[1, 2].push(3)"), JsValue::int(3));
@@ -892,7 +913,10 @@ fn full_reset_value_overwrite_with_object_value_drops_stale_pointer() {
 
     vm.full_reset();
 
-    assert!(!std::ptr::eq(old_array_proto, vm.realm.session.borrow().builtin_world().array_proto.as_ptr()));
+    assert!(!std::ptr::eq(
+        old_array_proto,
+        vm.realm.session.borrow().builtin_world().array_proto.as_ptr()
+    ));
     let t = run_source(&mut vm, "typeof Array.prototype.push");
     assert_eq!(vm.lookup_str(t).as_deref(), Some("function"));
     assert!(!vm.realm.session.borrow().is_dirty_since_snapshot());
@@ -1028,7 +1052,10 @@ fn full_reset_global_function_wrapper_property_does_not_survive() {
     let _ = run_source(&mut vm, "0");
 
     let _ = run_source(&mut vm, "parseInt.custom = 1; 0");
-    assert!(vm.realm.session.borrow().is_dirty_since_snapshot(), "global 函数 wrapper 写应被脏检测捕获");
+    assert!(
+        vm.realm.session.borrow().is_dirty_since_snapshot(),
+        "global 函数 wrapper 写应被脏检测捕获"
+    );
 
     vm.full_reset();
 
@@ -1080,7 +1107,10 @@ fn benign_user_object_writes_do_not_dirty_leaked_objects() {
 
     vm.full_reset();
 
-    assert!(std::ptr::eq(world_ptr, Arc::as_ptr(&vm.realm.session.borrow().builtin_world)), "无污染不应重建 world");
+    assert!(
+        std::ptr::eq(world_ptr, Arc::as_ptr(&vm.realm.session.borrow().builtin_world)),
+        "无污染不应重建 world"
+    );
     assert!(!vm.realm.session.borrow().is_dirty_since_snapshot());
 }
 
@@ -1101,7 +1131,10 @@ fn benign_run_does_not_falsely_dirty_builtins() {
 
     vm.full_reset();
 
-    assert!(std::ptr::eq(world_ptr, Arc::as_ptr(&vm.realm.session.borrow().builtin_world)), "builtin world 不应重建");
+    assert!(
+        std::ptr::eq(world_ptr, Arc::as_ptr(&vm.realm.session.borrow().builtin_world)),
+        "builtin world 不应重建"
+    );
     assert!(!vm.realm.session.borrow().is_dirty_since_snapshot());
 }
 

crates/oxide_vm/tests/gc_stress_tests.rs

@@ -41,17 +41,11 @@ fn gc_pressure_mode_env_toggle() {
     let result = eval_on(&mut vm, SCRIPT).expect("脚本不应运行失败");
     assert!(result.as_bool(), "存活钉读回应完整");
     let total = vm.session_gc_stats().total_collections;
-    assert!(
+    assert!(total > 100, "压力模式应每个顶层边界做一次完整收集，实际 {total}");
-        total > 100,
-        "压力模式应每个顶层边界做一次完整收集，实际 {total}"
-    );
     // 关臂：移除环境变量后同一脚本走退化路径。
     std::env::remove_var("OXIDE_GC_PRESSURE");
     let mut vm = Vm::new();
     let result = eval_on(&mut vm, SCRIPT).expect("脚本不应运行失败");
     assert!(result.as_bool(), "存活钉读回应完整");
-    assert_eq!(
+    assert_eq!(vm.session_gc_stats().total_collections, 0, "关臂小脚本分配不超水位，收集应为零");
-        vm.session_gc_stats().total_collections, 0,
-        "关臂小脚本分配不超水位，收集应为零"
-    );
 }