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

docs/api/math/aabb/obb-contains.md

@@ -0,0 +1,20 @@
+# OBB::Contains
+
+```cpp
+bool Contains(const Vector3& point) const
+```
+
+检测点是否在 OBB 内。
+
+**参数：**
+- `point` - 要检测的点
+
+**返回：** `bool` - true 表示点在 OBB 内
+
+**复杂度：** O(1)
+
+**示例：**
+
+```cpp
+if (obb.Contains(point)) { /* inside */ }
+```