Locks the design decisions from brainstorming: full scope (geometry +
textures + 3x3 neighbor grid), dual cameras (orbit default + FlyCamera
toggled by F), minimal plugin API growth (IGameState.Entities snapshot
+ IEvents.EntitySpawned). BCnEncoder.Net handles DXT/BCn decoding,
matching WorldBuilder's approach.
Adds three new namespaces under AcDream.Core (World, Meshing, Textures)
and three new rendering components under AcDream.App (StaticMeshRenderer,
TextureCache, FlyCamera + ICamera). Entities are deduplicated by
GfxObj id at the GPU layer; textures dedup by Surface id. Plugins
get immutable snapshots, not live references.
Rough 18-task sequence captured. Full bite-sized plan comes next via
superpowers:writing-plans.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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