Effect: Port `UpdateFolder` #3681

Job	Run time
Format (Cargo)	13s
Detect Changes	8s
Typecheck	1m 15s
Lint (Biome)	14s
Build Desktop (aarch64-apple-darwin, macos-latest)	3m 57s
Build Desktop (x86_64-pc-windows-msvc, windows-latest)	6m 51s
Format (Biome)	8s
Verify Tauri plugin versions	0s
Clippy	0s
	12m 46s

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