feat(nodes): add HW video codec backends (Vulkan Video H.264, VA-API AV1, NVENC/NVDEC AV1) #960

Job	Run time
E2E / Playwright E2E	3m 37s
Plugins / Lint (NLLB)	2m 45s
Plugins / Lint (Simple Plugins)	48s
Plugins / Lint (Sherpa-ONNX Plugins)	59s
UI / Knip (unused code)	20s
Plugins / Lint (Whisper)	44s
UI / Build	17s
Skit / Test	3m 45s
Plugins / Format Check	18s
Skit / Test (GPU)	2m 12s
Skit / Build	3m 38s
Skit / Lint (fmt + clippy)	3m 15s
UI / Lint (TypeScript + ESLint)	43s
UI / Test	29s
All Checks Passed	1s
	23m 51s

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