#117
feat(mesh-studio): local procedural meshes + OBJ
Closes #33
Summary
Adds Mesh Studio — local prompt→procedural mesh (box/sphere/terrain) with OBJ export. Meshy/Tripo-inspired workflow without cloud models.
Tests
4 passed; build OK
Closes #33
Adds Mesh Studio — local prompt→procedural mesh (box/sphere/terrain) with OBJ export. Meshy/Tripo-inspired workflow without cloud models.
4 passed; build OK