docs(cn): Add untranslated comment

NoiseFan · NoiseFan · commit e009bbe5c09d · 2025-12-17T11:21:44.000+08:00
diff --git a/api/expect-typeof.md b/api/expect-typeof.md
@@ -553,6 +553,7 @@ expectTypeOf(obj).toHaveProperty('b').toBeString()
 expectTypeOf(obj).toHaveProperty('a').not.toBeString()
 ```
 
+<!-- TODO: translation -->
 ## branded
 
 - **Type:** `ExpectTypeOf<BrandedType>`
diff --git a/config/experimental.md b/config/experimental.md
@@ -2,6 +2,7 @@
 title: experimental | Config
 outline: deep
 ---
+<!-- TODO: translation -->
 
 # experimental
 
diff --git a/config/onstacktrace.md b/config/onstacktrace.md
@@ -2,7 +2,7 @@
 title: onStackTrace | Config
 outline: deep
 ---
-
+<!-- TODO: translation -->
 # onStackTrace <CRoot />
 
 - **Type**: `(error: Error, frame: ParsedStack) => boolean | void`
diff --git a/guide/open-telemetry.md b/guide/open-telemetry.md
@@ -1,5 +1,5 @@
 # Open Telemetry Support <Experimental /> {#open-telemetry-support}
-
+<!-- TODO: translation -->
 ::: tip 功能反馈
 请将关于此功能反馈提交至 [GitHub Discussion](https://github.com/vitest-dev/vitest/discussions/9222)。
 :::
