fix: improve doc link navigation and tree display
- Fix link resolution with proper relative/absolute path handling - Improve link styling with underline decoration - Hide leaf nodes from tree, only show directories - Fix log file path for packaged app
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docs/api/memory/proxy-allocator/reallocate.md
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docs/api/memory/proxy-allocator/reallocate.md
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# ProxyAllocator::Reallocate
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```cpp
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void* Reallocate(void* ptr, size_t newSize) override;
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```
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重新分配内存。调用转发到底层分配器,不记录额外统计信息(底层分配器的返回值直接返回)。此方法线程安全,内部使用互斥锁保护。
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**参数:**
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- `ptr` - 现有内存块指针
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- `newSize` - 新的字节大小
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**返回:** 成功返回新指针,失败返回 `nullptr`(由底层分配器决定)
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**复杂度:** O(n)(底层分配器 + 数据复制)
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**示例:**
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```cpp
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#include <XCEngine/Memory/MemoryManager.h>
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#include <XCEngine/Memory/ProxyAllocator.h>
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IAllocator* sysAlloc = MemoryManager::Get().GetSystemAllocator();
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ProxyAllocator proxy(sysAlloc, "TrackedAlloc");
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void* p1 = proxy.Allocate(128);
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void* p2 = proxy.Reallocate(p1, 256);
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if (p2) {
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// 重新分配成功
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} else {
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// 失败,p1 仍然有效
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}
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```
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## 相关文档
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- [ProxyAllocator 总览](proxy-allocator.md) - 返回类总览
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