- state_dash.gd: Basis*Vector4 → Basis*Vector3 (no Vec4 in Godot 4.2)
- state_ground.gd: shape_owner_get_shape(0) → (0, 0); typed Variant vars; typed ray/normal
- state_slide.gd: same shape API fix + unique shape vars per branch
- state_wall_run.gd: split 'and' line into single typed bool expression