fix(workspace): ensure immediate cursor autofocus and select on note title creation

frontend/src/features/workspace/DocumentEditor.tsx

@@ -165,17 +165,28 @@ export const DocumentEditor: React.FC<DocumentEditorProps> = ({
   const [showFolderMenu, setShowFolderMenu] = useState<boolean>(false);
   const [zoomedBlockId, setZoomedBlockId] = useState<string | null>(null);
 
+  const titleInputRef = useRef<HTMLInputElement | null>(null);
+  const titleDebounceRef = useRef<number | null>(null);
+  const docRef = useRef<Document | null>(doc);
+  docRef.current = doc;
+
   useEffect(() => {
-    if (autoFocusTitle || (doc?.title === 'Neue Notiz' && !doc?.markdownCache)) {
-      const timer = setTimeout(() => {
+    if (!loading && (autoFocusTitle || (doc?.title === 'Neue Notiz' && (!doc?.blocks || doc?.blocks.length <= 1)))) {
+      const focusTitle = () => {
         if (titleInputRef.current) {
           titleInputRef.current.focus();
           titleInputRef.current.select();
         }
-      }, 60);
-      return () => clearTimeout(timer);
+      };
+      focusTitle();
+      const t1 = setTimeout(focusTitle, 50);
+      const t2 = setTimeout(focusTitle, 150);
+      return () => {
+        clearTimeout(t1);
+        clearTimeout(t2);
+      };
     }
-  }, [autoFocusTitle]);
+  }, [loading, autoFocusTitle, doc?.id]);
 
   useEffect(() => {
     if (zoomedBlockId && !blocks.some((b) => b.id === zoomedBlockId)) {
@@ -191,11 +202,6 @@ export const DocumentEditor: React.FC<DocumentEditorProps> = ({
     return computeBreadcrumbs(title || doc?.title || 'Dokument', blocks, zoomedBlockId);
   }, [title, doc?.title, blocks, zoomedBlockId]);
 
-  const titleInputRef = useRef<HTMLInputElement | null>(null);
-  const titleDebounceRef = useRef<number | null>(null);
-  const docRef = useRef<Document | null>(doc);
-  docRef.current = doc;
-
   // Crucial fix: Collaborator with write permission can edit!
   const canEdit = useMemo(() => {
     if (!doc) return true;
@@ -342,7 +348,9 @@ export const DocumentEditor: React.FC<DocumentEditorProps> = ({
   // Fetch isolated document state on mount
   useEffect(() => {
     let isCancelled = false;
+    if (!initialDoc) {
       setLoading(true);
+    }
     setError(null);
 
     api
@@ -989,6 +997,7 @@ export const DocumentEditor: React.FC<DocumentEditorProps> = ({
                 type="text"
                 value={title}
                 readOnly={!canEdit}
+                autoFocus={autoFocusTitle}
                 onChange={handleTitleChange}
                 onBlur={handleTitleBlur}
                 placeholder="Titel der Notiz…"