Replace obsolete WebGPU flags with state-of-the-art NVIDIA VA-API
hardware decode config for Chrome 148 on Wayland/Hyprland.
- Disable seccomp sandbox to fix NVIDIA GBM "Permission denied" error
- Disable VulkanFromANGLE/DefaultANGLEVulkan (incompatible with Wayland)
- Force ANGLE->OpenGL backend to avoid Vulkan/Wayland conflicts
- Enable modern VA-API flags: VaapiOnNvidiaGPUs, AcceleratedVideoDecodeLinux*
- Add gnome-libsecret password store for gnome-keyring integration
- Install libva-utils and libva-nvidia-driver packages
- Update driver version to 580.159.03 in hardware inventory
WebGPU remains hardware accelerated via ANGLE+OpenGL. Chrome verified
working with full video decode acceleration (H.264, VP9, HEVC) via NVDEC.
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