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/linear-allocator/reallocate.md
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docs/api/memory/linear-allocator/reallocate.md
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# LinearAllocator::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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线性分配器不支持重新分配。此方法始终返回 `nullptr`,原内存块保持不变。由于线性分配器的顺序分配特性,无法调整现有块的大小。
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**参数:**
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- `ptr` - 不被使用(始终返回 nullptr)
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- `newSize` - 不被使用(始终返回 nullptr)
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**返回:** 始终返回 `nullptr`
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**复杂度:** O(1)
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**示例:**
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```cpp
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#include <XCEngine/Memory/LinearAllocator.h>
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LinearAllocator allocator(1024);
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void* ptr1 = allocator.Allocate(128);
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// Reallocate 不支持,始终返回 nullptr
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void* ptr2 = allocator.Reallocate(ptr1, 256);
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if (!ptr2) {
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// 线性分配器不支持重新分配
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// ptr1 仍然有效
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}
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```
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## 相关文档
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- [LinearAllocator 总览](linear-allocator.md) - 返回类总览
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