Effect: Port `UpdateFolder` #3703

Job	Run time
Detect Changes	7s
Typecheck	1m 10s
Format (Cargo)	7s
Format (Biome)	8s
Lint (Biome)	11s
Build Desktop (x86_64-pc-windows-msvc, windows-latest)	8m 4s
Build Desktop (aarch64-apple-darwin, macos-latest)	3m 52s
Clippy	0s
Verify Tauri plugin versions	0s
	13m 39s

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