refactor(Notepad): Streamline hide behavior & auto-save function

quickshell/DMSShell.qml

@@ -798,9 +798,8 @@ Item {
 
             content: Component {
                 Notepad {
-                    onHideRequested: {
-                        notepadSlideout.hide();
-                    }
+                    slideout: notepadSlideout
+                    onHideRequested: notepadSlideout.hide()
                 }
             }
 

quickshell/Modules/Notepad/Notepad.qml

@@ -21,6 +21,7 @@ Item {
     property var currentTab: NotepadStorageService.tabs.length > NotepadStorageService.currentTabIndex ? NotepadStorageService.tabs[NotepadStorageService.currentTabIndex] : null
     property bool showSettingsMenu: false
     property string pendingSaveContent: ""
+    property var slideout: null
 
     signal hideRequested
     signal previewRequested(string content)
@@ -29,6 +30,14 @@ Item {
         service: NotepadStorageService
     }
 
+    Connections {
+        target: slideout
+        enabled: slideout !== null
+        function onAboutToHide() {
+            textEditor.autoSaveToSession()
+        }
+    }
+
     function hasUnsavedChanges() {
         return textEditor.hasUnsavedChanges();
     }
@@ -204,7 +213,8 @@ Item {
             }
 
             onEscapePressed: {
-                root.hideRequested();
+                textEditor.autoSaveToSession()
+                root.hideRequested()
             }
 
             onSettingsRequested: {

quickshell/Modules/Notepad/NotepadTextEditor.qml

@@ -555,7 +555,9 @@ Column {
                                 })
                             }
                             function onTabsChanged() {
-                                if (NotepadStorageService.tabs.length > 0 && !contentLoaded) {/* Lines 444-445 omitted */}
+                                if (NotepadStorageService.tabs.length > 0 && !contentLoaded) {
+                                    loadCurrentTabContent()
+                                }
                             }
                         }
 

quickshell/Widgets/DankSlideout.qml

@@ -25,6 +25,7 @@ PanelWindow {
     property string title: ""
     property alias container: contentContainer
     property real customTransparency: -1
+    signal aboutToHide
 
     function show() {
         visible = true
@@ -32,6 +33,7 @@ PanelWindow {
     }
 
     function hide() {
+        aboutToHide()
         isVisible = false
     }