- Add voltex_math/voltex_renderer dependencies
- Fix color format to Rgba8Unorm (linear, prevent double gamma)
- Correct bind group layout to match mesh_shader.wgsl
- Add vec3 padding requirement for Rust uniform structs
- Per-frame bind group creation for viewport renderer
- Pan degenerate right vector guard
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>