Refine notification center and configure native notifications

Keep notification actions and dismiss controls visible, compact and animate history, and add themed icon controls and grouping.

Include notification settings, session integration and documentation, on-demand workspaces, and performance baseline notes.

shell/ferese-settings/src/schema.rs

@@ -4,6 +4,7 @@ pub enum Page {
     Wallpaper,
     Desktop,
     Bar,
+    Notifications,
     Windows,
     Motion,
     Keyboard,
@@ -13,11 +14,12 @@ pub enum Page {
 }
 
 impl Page {
-    pub const ALL: [Self; 10] = [
+    pub const ALL: [Self; 11] = [
         Self::Appearance,
         Self::Wallpaper,
         Self::Desktop,
         Self::Bar,
+        Self::Notifications,
         Self::Windows,
         Self::Motion,
         Self::Keyboard,
@@ -32,6 +34,7 @@ impl Page {
             Self::Wallpaper => "Wallpaper",
             Self::Desktop => "Desktop widgets",
             Self::Bar => "Menu bar",
+            Self::Notifications => "Notifications",
             Self::Windows => "Windows",
             Self::Motion => "Motion",
             Self::Keyboard => "Keyboard & mouse",
@@ -47,6 +50,7 @@ impl Page {
             Self::Wallpaper => "Set the scene for your workspace.",
             Self::Desktop => "A clock that feels at home on your wallpaper.",
             Self::Bar => "Everything you need, within reach.",
+            Self::Notifications => "Stay informed on your terms.",
             Self::Windows => "Make room for the way you work.",
             Self::Motion => "Find your rhythm.",
             Self::Keyboard => "Fine-tune the everyday details.",
@@ -64,6 +68,7 @@ impl Page {
             Self::Wallpaper => "M4 4h16v16H4z M4 16l5-5 4 4 3-3 4 4 M15 8h.01",
             Self::Desktop => "M21 12a9 9 0 1 1-18 0 9 9 0 0 1 18 0 M12 7v5l3 2",
             Self::Bar => "M3 5h18v14H3z M3 9h18 M6 7h.01 M18 7h.01",
+            Self::Notifications => "M6 8a6 6 0 0 1 12 0v6l2 3H4l2-3z M10 21h4",
             Self::Windows => "M3 4h12v12H3z M8 9h13v12H8z",
             Self::Motion => "M3 8h9a3 3 0 1 0-3-3 M3 12h15a3 3 0 1 1-3 3 M3 16h5",
             Self::Keyboard => {
@@ -626,6 +631,31 @@ pub fn fields(page: Page) -> Vec<Field> {
             ),
         ],
         Page::Desktop => clock_fields(),
+        Page::Notifications => vec![
+            toggle(
+                "notifications.show_popups",
+                "Show popup notifications",
+                "Keep notifications in history when popups are hidden.",
+                true,
+            ),
+            toggle(
+                "notifications.do_not_disturb",
+                "Do Not Disturb",
+                "Silence normal popups; critical notifications can still appear.",
+                false,
+            ),
+            range(
+                "notifications.timeout_ms",
+                "Popup timeout",
+                "Default duration; apps can request another timeout. Pauses while hovered.",
+                6000.0,
+                1000.0,
+                30000.0,
+                1000.0,
+                " ms",
+                true,
+            ),
+        ],
         Page::Bar => vec![
             range(
                 "theme.geometry.top_bar_height",