feat(spatial): implement Octree spatial partitioning with AABB3D and Frustum (RF5.4)#69
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…ries Add spatial partitioning module (RF5.4) with: - AABB3D: contains, intersects, intersectsRay (slab method) - Frustum: fromCamera, fromMatrix, contains, intersects, containsSphere - Octree: insert, remove, update, rebuild, queryAABB, queryFrustum, queryRay, queryRadius - 21 test cases with 75 assertions Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
Add #include "spatial/Octree.hpp" to Caffeine.hpp under the Spatial section Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
…odule Mark RF5.4 as implemented, update API docs (fromCamera, Frustum), update examples, update acceptance criteria Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
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Summary
fromCamera()construction (works regardless of projection convention) +fromMatrix()for standard OpenGL-style VP matricesFrustum::fromCamera()as primary API — avoids compatibility issues with Caffeine's non-standardMat4::perspective()Changes
src/spatial/Octree.hpptests/test_octree.cppsrc/Caffeine.hpptests/CMakeLists.txtdocs/fase5/spatial-partitioning.mdTest Plan
Closes RF5.4