Add lock screen appearance settings

config/dot/quickshell/modules/settings/README.md

@@ -78,6 +78,11 @@ the owner instead of duplicating it.
 | `lockMinutes` | Power | Privacy | Idle timing owns the mechanism; privacy owns the expectation that the unattended desktop locks. |
 | `lockOnSleep` | Power | Privacy | Suspend owns the transition; privacy owns whether waking requires authentication. |
 
+Lock-screen visuals belong only to **Appearance**: background source, blur,
+clock, date, user name, and password-field presentation. **Power** owns when
+the session locks, while **Privacy** keeps only the established timing mirrors
+above. Visual controls must not be copied onto either page.
+
 Mirrors must remain the same schema-backed control, never a second preference
 or a copied default. Additions to this table require a concrete discoverability
 reason and an update to `tests/quickshell/settings-ownership-contract.sh`.
@@ -155,6 +160,7 @@ file with `qs -p`, and discover its PID from the exact Config path in
 | `$XDG_STATE_HOME/panama/panama-home.json` | Home accessory favourites and aliases |
 | `$XDG_STATE_HOME/panama/backups/` | Settings snapshots |
 | `$XDG_STATE_HOME/panama/hypridle.conf` | Generated idle config |
+| `$XDG_STATE_HOME/panama/hyprlock.conf` | Generated lock-screen appearance |
 
 `SystemSettings.restoreDefaults()` spans all of them. A reset that silently
 skipped one would be worse than having no reset, because nothing would say so.