Effect: Port `UpdateFolder` #3694

Job	Run time
Detect Changes	7s
Typecheck	1m 9s
Format (Biome)	7s
Lint (Biome)	15s
Build Desktop (aarch64-apple-darwin, macos-latest)	4m 30s
Build Desktop (x86_64-pc-windows-msvc, windows-latest)	12m 13s
Format (Cargo)	12s
Verify Tauri plugin versions	0s
Clippy	0s
	18m 33s

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