chore: gate test helpers, code style, stricter clippy

crates/tui/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "tui"
 version = "0.1.0"
-edition = "2024"
+edition.workspace = true
 
 [features]
 default = []
@@ -16,7 +16,7 @@ windows = ["dep:windows-native-keyring-store"]
 ratatui = "0.30.0"
 keyring-core = "1.0.0"
 directories = "6"
-csv = "1"
+csv = { workspace = true }
 
 apple-native-keyring-store = { version = "1.0.0", optional = true, features = [
     "keychain",