- Add Hidden Vault system:
- Secure directory storage under ~/.pixelvr_vault with 0700 permissions.
- Cheat-code combo unlocking triggered on full grip squeeze (A-B-B-A-X-Y default, customizable).
- Headset removal / face detection gating and inactivity auto-lock.
- Automatic download history clearing upon vault lock.
- Add File Actions Submenu (Button Y):
- In-browser file/folder submenu with Move to Vault, Delete, Move, and Rename.
- Recursive folder move to vault with collision handling.
- Folder deletion with confirmation dialog.
- Enhance VR controllers and interactions:
- Dynamic left and right Steam Frame controller render models.
- Single laser pointer priority with hand swapping via full grip squeeze.
- Fix video format detection:
- Correct auto-detection and default projection for high-resolution VR180 SBS media (e.g. 7200x3600).
- Visual sharpness & rendering stability:
- Render swapchain at native 2160x2160 per eye.
- SDF font rendering with RMS pixel footprint and stem darkening.
- Razor-sharp procedural UI anti-aliasing and crisp border highlights without distortion.
- Add unit test suite (tests/test_vault.cpp) and documentation specs.
