clean cli & webui for multi-user configs #1518

Job	Run time
skip_check	8s
type_check (3.12)	55s
type_check (3.13)	1m 14s
type_check (3.11)	36s
lint (3.11)	22s
lint (3.12)	47s
lint (3.10)	20s
lint (3.13)	1m 14s
type_check (3.10)	31s
get_version	3s
patch_version / patch_version	7s
extract_changelog / extract_changelog	8s
test (3.10)	54s
test_non_linux (3.13, macos-14)	1m 4s
test (3.13)	2m 0s
test (3.11)	1m 7s
test_non_linux (3.13, macos-13)	2m 25s
test_non_linux (3.13, windows-2025)	3m 4s
test_non_linux (3.13, windows-2022)	3m 46s
test (3.12)	1m 38s
	22m 23s

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