Route project devices through history

src/app/projects/[projectId]/page.tsx

@@ -176,6 +176,12 @@ export default function ProjectDetailPage() {
     [circuitLists]
   );
 
+  function applyProjectRevision(currentRevision: number) {
+    setProject((current) =>
+      current ? { ...current, currentRevision } : current
+    );
+  }
+
   async function handleCreateBoard(event: FormEvent<HTMLFormElement>) {
     event.preventDefault();
     if (!projectId || !boardName.trim()) {
@@ -258,7 +264,7 @@ export default function ProjectDetailPage() {
 
   async function handleCreateProjectDevice(event: FormEvent<HTMLFormElement>) {
     event.preventDefault();
-    if (!projectId || !projectDeviceForm.name.trim()) {
+    if (!projectId || !project || !projectDeviceForm.name.trim()) {
       return;
     }
 
@@ -279,8 +285,13 @@ export default function ProjectDetailPage() {
     setIsSaving(true);
     setError(null);
     try {
-      const created = await createProjectDevice(projectId, payload);
-      setProjectDevices((current) => [...current, created]);
+      const result = await createProjectDevice(
+        projectId,
+        payload,
+        project.currentRevision
+      );
+      setProjectDevices((current) => [...current, result.projectDevice]);
+      applyProjectRevision(result.history.currentRevision);
       setProjectDeviceForm({
         name: emptyProjectDevice.name,
         displayName: emptyProjectDevice.displayName,
@@ -302,14 +313,19 @@ export default function ProjectDetailPage() {
   }
 
   async function handleDeleteProjectDevice(projectDeviceId: string) {
-    if (!projectId) {
+    if (!projectId || !project) {
       return;
     }
     setIsSaving(true);
     setError(null);
     try {
-      await deleteProjectDevice(projectId, projectDeviceId);
+      const result = await deleteProjectDevice(
+        projectId,
+        projectDeviceId,
+        project.currentRevision
+      );
       setProjectDevices((current) => current.filter((item) => item.id !== projectDeviceId));
+      applyProjectRevision(result.history.currentRevision);
     } catch (err) {
       setError(err instanceof Error ? err.message : "Projektgerät konnte nicht gelöscht werden.");
     } finally {
@@ -322,7 +338,7 @@ export default function ProjectDetailPage() {
     key: "name" | "displayName" | "category",
     value: string
   ) {
-    if (!projectId) {
+    if (!projectId || !project) {
       return;
     }
 
@@ -342,9 +358,19 @@ export default function ProjectDetailPage() {
     };
 
     try {
-      const updated = await updateProjectDevice(projectId, device.id, payload);
-      setProjectDevices((current) => current.map((item) => (item.id === device.id ? updated : item)));
-      await openProjectDeviceSyncPreview(updated.id);
+      const result = await updateProjectDevice(
+        projectId,
+        device.id,
+        payload,
+        project.currentRevision
+      );
+      setProjectDevices((current) =>
+        current.map((item) =>
+          item.id === device.id ? result.projectDevice : item
+        )
+      );
+      applyProjectRevision(result.history.currentRevision);
+      await openProjectDeviceSyncPreview(result.projectDevice.id);
     } catch (err) {
       setError(err instanceof Error ? err.message : "Projektgerät konnte nicht aktualisiert werden.");
     }
@@ -466,15 +492,20 @@ export default function ProjectDetailPage() {
   }
 
   async function handleCopyGlobalToProject() {
-    if (!projectId || !selectedGlobalDeviceId) {
+    if (!projectId || !project || !selectedGlobalDeviceId) {
       return;
     }
 
     setIsSaving(true);
     setError(null);
     try {
-      const created = await copyGlobalDeviceToProject(projectId, selectedGlobalDeviceId);
-      setProjectDevices((current) => [...current, created]);
+      const result = await copyGlobalDeviceToProject(
+        projectId,
+        selectedGlobalDeviceId,
+        project.currentRevision
+      );
+      setProjectDevices((current) => [...current, result.projectDevice]);
+      applyProjectRevision(result.history.currentRevision);
     } catch (err) {
       setError(err instanceof Error ? err.message : "Globales Gerät konnte nicht ins Projekt kopiert werden.");
     } finally {