Refactored helpers to reduce duplication and improve naming.

- Renamed chroot_install/chroot_enable to chroot_pacman_install/chroot_systemd_enable.
- Made chroot_systemd_enable auto-print status, removing need for wrapper functions.
- Used generic prompt helpers instead of duplicating logic in specialized functions.
- Inlined and removed single-use wrapper functions throughout.

lib/disk/luks.sh

@@ -98,24 +98,9 @@ close_luks_container() {
 # Returns:
 #   0 on success, 1 on mismatch
 prompt_encryption_password() {
-    local password
-    local password_confirm
-
-    print "Please enter your desired encryption passphrase."
-    read -rs password
-    echo
-
-    print "Please confirm your encryption passphrase."
-    read -rs password_confirm
-    echo
-
-    if [ "$password" != "$password_confirm" ]; then
-        print_error "Passphrases do not match."
+    if ! prompt_password "Please enter your desired encryption passphrase." ENCRYPTION_PASSWORD; then
         return 1
     fi
-
-    ENCRYPTION_PASSWORD="$password"
-    unset password password_confirm
     return 0
 }