fix

frontend/src/DesktopWorkspace.jsx

@@ -583,6 +583,7 @@ const DesktopWorkspace = ({
   helpOpen = false,
   onHelpClose = null,
   tenantId = null,
+  viewId = 'default',
 }) => {
   const items = useMemo(() => (searchResults ? searchResults : documents), [documents, searchResults]);
 
@@ -628,11 +629,12 @@ const DesktopWorkspace = ({
   }, [documentLookup]);
 
   const storageKey = useMemo(() => {
-    if (!tenantId) {
+    if (!tenantId || !viewId) {
       return null;
     }
-    return `papercrate.desk-layout.${tenantId}`;
-  }, [tenantId]);
+    const normalizedViewId = encodeURIComponent(String(viewId));
+    return `papercrate.desk-layout.${tenantId}.${normalizedViewId}`;
+  }, [tenantId, viewId]);
 
   const initialPersistedLayout = useMemo(() => {
     if (!storageKey || typeof window === 'undefined') {
@@ -1173,7 +1175,7 @@ const recalcVisibleDocIds = useCallback(() => {
         return;
       }
       layoutDirtyRef.current = false;
-      const payload = {};
+      const merged = new Map(persistedLayoutRef.current);
       snapshot.forEach((entry, docId) => {
         if (!docId || !entry) {
           return;
@@ -1183,18 +1185,21 @@ const recalcVisibleDocIds = useCallback(() => {
         if (!Number.isFinite(centerX) || !Number.isFinite(centerY)) {
           return;
         }
-        payload[docId] = {
-          centerX,
-          centerY,
-          rotation: Number.isFinite(Number(entry.rotation)) ? Number(entry.rotation) : 0,
-          z: Number.isFinite(Number(entry.z)) ? Number(entry.z) : undefined,
-        };
+        const rotation = Number.isFinite(Number(entry.rotation)) ? Number(entry.rotation) : 0;
+        const z = Number.isFinite(Number(entry.z)) ? Number(entry.z) : undefined;
+        merged.set(docId, { centerX, centerY, rotation, z });
+      });
+
+      const payload = {};
+      merged.forEach((entry, docId) => {
+        if (!docId || !entry) {
+          return;
+        }
+        payload[docId] = entry;
       });
       try {
         window.localStorage.setItem(storageKey, JSON.stringify(payload));
-        persistedLayoutRef.current = new Map(
-          Object.entries(payload).map(([id, value]) => [id, value]),
-        );
+        persistedLayoutRef.current = merged;
       } catch (error) {
         console.warn('[desk] Failed to persist desk layout', error);
       }