feat(desktop): Parakeet captions, transcript editor, and ProRes MOV export #6397

Job	Run time
Format (Cargo)	16s
Detect Changes	9s
Format (Biome)	8s
Typecheck	10s
Lint (Biome)	14s
Clippy (x86_64-pc-windows-msvc, windows-latest)	5m 21s
Verify Tauri plugin versions	9s
Clippy (aarch64-apple-darwin, macos-latest)	2m 13s
Build Desktop	0s
Rust cache	0s
	8m 40s

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