loginctl: disable inhibit when loginctl integration disabled

Services/DMSService.qml

@@ -40,6 +40,7 @@ Singleton {
     signal networkStateUpdate(var data)
     signal loginctlStateUpdate(var data)
     signal loginctlEvent(var event)
+    signal capabilitiesReceived()
 
     Component.onCompleted: {
         if (socketPath && socketPath.length > 0) {
@@ -256,6 +257,8 @@ Singleton {
             if (apiVersion < expectedApiVersion) {
                 ToastService.showError("DMS server is outdated (API v" + apiVersion + ", expected v" + expectedApiVersion + ")")
             }
+
+            capabilitiesReceived()
         } else if (service === "network") {
             networkStateUpdate(data)
         } else if (service === "loginctl") {

Services/SessionService.qml

@@ -302,6 +302,10 @@ Singleton {
                 checkDMSCapabilities()
             }
         }
+
+        function onCapabilitiesReceived() {
+            syncSleepInhibitor()
+        }
     }
 
     Connections {
@@ -328,6 +332,7 @@ Singleton {
             } else {
                 stateInitialized = false
             }
+            syncSleepInhibitor()
         }
 
         function onLockBeforeSuspendChanged() {
@@ -396,6 +401,22 @@ Singleton {
         })
     }
 
+    function syncSleepInhibitor() {
+        if (!loginctlAvailable) return
+
+        if (!DMSService.apiVersion || DMSService.apiVersion < 4) return
+
+        DMSService.sendRequest("loginctl.setSleepInhibitorEnabled", {
+            enabled: SettingsData.loginctlLockIntegration
+        }, response => {
+            if (response.error) {
+                console.warn("SessionService: Failed to sync sleep inhibitor:", response.error)
+            } else {
+                console.log("SessionService: Synced sleep inhibitor:", SettingsData.loginctlLockIntegration)
+            }
+        })
+    }
+
     function updateLoginctlState(state) {
         const wasLocked = locked