fix quality check

Author: Charliechen114514

documents/vol8-domains/cpp-deep-dives/pointer-semantics/02-unsafe-weakptr-ub.md

@@ -11,7 +11,7 @@ tags:
   - 引用计数
 difficulty: advanced
 platform: host
-reading_time_minutes: 20
+reading_time_minutes: 11
 prerequisites:
   - "非拥有指针全景：从 T* 到 Borrowed 到 ObserverPtr"
 related:

documents/vol8-domains/cpp-deep-dives/pointer-semantics/03-simple-weakptr.md

@@ -11,7 +11,7 @@ tags:
   - 引用计数
 difficulty: intermediate
 platform: host
-reading_time_minutes: 18
+reading_time_minutes: 8
 prerequisites:
   - "WeakPtr 反模式：T* + raw Flag* 的致命陷阱"
 related:

documents/vol8-domains/cpp-deep-dives/pointer-semantics/04-chrome-weakptr.md

@@ -12,7 +12,7 @@ tags:
   - 回调机制
 difficulty: advanced
 platform: host
-reading_time_minutes: 25
+reading_time_minutes: 12
 prerequisites:
   - "SimpleWeakPtr：T* + shared_ptr<Flag> 的安全改进"
 related:

documents/vol8-domains/cpp-deep-dives/pointer-semantics/05-weakptr-comparison-and-async.md

@@ -12,7 +12,7 @@ tags:
   - 回调机制
 difficulty: advanced
 platform: host
-reading_time_minutes: 25
+reading_time_minutes: 8
 prerequisites:
   - "Chrome-like WeakPtr：引用计数控制块与 WeakPtrFactory"
   - "卷二 · 第一章：weak_ptr 与循环引用"

documents/vol8-domains/cpp-deep-dives/pointer-semantics/06-design-principles.md

@@ -11,7 +11,7 @@ tags:
   - 内存管理
 difficulty: intermediate
 platform: host
-reading_time_minutes: 18
+reading_time_minutes: 7
 prerequisites:
   - "std::weak_ptr 对比与异步回调实战"
 related: