fab menu and model selector

Modules/Notifications/Sidebar/Chat/ChatState.qml

@@ -3,6 +3,7 @@ pragma Singleton
 import QtQuick
 import Quickshell
 import ZShell.Llm
+import qs.Helpers
 
 Singleton {
 	id: root
@@ -11,6 +12,11 @@ Singleton {
 	readonly property string title: chatSession ? chatSession.title : "Chat"
 	property int currentIdx: -1
 	property bool inChat: false
+	property bool fabExpanded: false
 	property bool isWindow: false
 	property ShellScreen screen
+	property bool sidebarVisible: Visibilities.getForActive().sidebar
+
+	onSidebarVisibleChanged: if (!sidebarVisible)
+		fabExpanded = false
 }