move NotifService and NotifItem to services/, keep notification UI in modules/

shell/services/NotifItem.qml

@@ -0,0 +1,64 @@
+import QtQuick
+import Quickshell.Services.Notifications
+import "." as S
+
+QtObject {
+    id: root
+
+    property bool popup: false
+    property string state: "visible" // "visible" | "dismissing" | "dismissed"
+
+    property var notification: null
+    property var id
+    property string summary
+    property string body
+    property string appName
+    property string appIcon
+    property string image
+    property var hints
+    property int urgency: NotificationUrgency.Normal
+    property var actions: []
+    property real time: Date.now()
+
+    // Expire timer — owned by this item, not dynamically created
+    readonly property Timer _expireTimer: Timer {
+        running: false
+        onTriggered: {
+            if (root.state === "visible")
+                root.popup = false;
+        }
+    }
+
+    // Relative time string — recomputed whenever NotifService._now ticks (single global 5s timer)
+    readonly property string timeStr: {
+        const diff = S.NotifService._now - time;
+        const m = Math.floor(diff / 60000);
+        if (m < 1)
+            return "now";
+        const h = Math.floor(m / 60);
+        if (h < 1)
+            return m + "m";
+        const d = Math.floor(h / 24);
+        return d > 0 ? d + "d" : h + "h";
+    }
+
+    // App closed the notification from its side — remove from our list while the object is still alive
+    readonly property Connections _notifConn: Connections {
+        target: root.notification
+        function onClosed() {
+            if (root.state !== "dismissed")
+                S.NotifService.dismiss(root.id);
+        }
+    }
+
+    function beginDismiss() {
+        if (state === "visible")
+            state = "dismissing";
+    }
+
+    function finishDismiss() {
+        state = "dismissed";
+        _expireTimer.running = false;
+        notification?.dismiss();
+    }
+}