idle inhibitor: only remember toggled state within same session

.config/quickshell/ii/modules/common/Persistent.qml

@@ -11,6 +11,15 @@ Singleton {
     property string fileName: "states.json"
     property string filePath: `${root.fileDir}/${root.fileName}`
 
+    property bool ready: false
+    property string previousHyprlandInstanceSignature: ""
+    property bool isNewHyprlandInstance: previousHyprlandInstanceSignature !== states.hyprlandInstanceSignature
+
+    onReadyChanged: {
+        root.previousHyprlandInstanceSignature = root.states.hyprlandInstanceSignature
+        root.states.hyprlandInstanceSignature = Quickshell.env("HYPRLAND_INSTANCE_SIGNATURE") || ""
+    }
+
     Timer {
         id: fileReloadTimer
         interval: 100
@@ -36,6 +45,7 @@ Singleton {
         watchChanges: true
         onFileChanged: fileReloadTimer.restart()
         onAdapterUpdated: fileWriteTimer.restart()
+        onLoaded: root.ready = true
         onLoadFailed: error => {
             console.log("Failed to load persistent states file:", error);
             if (error == FileViewError.FileNotFound) {
@@ -45,6 +55,9 @@ Singleton {
 
         adapter: JsonAdapter {
             id: persistentStatesJsonAdapter
+
+            property string hyprlandInstanceSignature: ""
+
             property JsonObject ai: JsonObject {
                 property string model
                 property real temperature: 0.5