fix(workspace): fix outliner cursor focus, enhanced task linking, nav order and Hauptebene drop zone

internal/storage/sqlite.go

@@ -2364,7 +2364,7 @@ func (s *Store) UpdateDocument(userID, docID string, title, icon, folderPath *st
 	if title != nil {
 		doc.Title = strings.TrimSpace(*title)
 	}
-	if icon != nil && *icon != "" {
+	if icon != nil {
 		doc.Icon = *icon
 	}
 	if tags != nil {
@@ -4185,12 +4185,13 @@ func (s *Store) CreateTaskFromDocBlock(userID, docID, blockID, content string, c
 	t.DocID = docID
 	t.BlockID = blockID
 	t.IsCompleted = checked
+	t.Status = domain.StatusKept
 	doneInt := 0
 	if checked {
 		doneInt = 1
 		t.KanbanStatus = "done"
 	}
-	_, _ = s.db.Exec(`UPDATE thoughts SET converted_type = 'document_block', converted_ref_id = ?, is_completed = ?, kanban_status = ? WHERE id = ?`,
+	_, _ = s.db.Exec(`UPDATE thoughts SET converted_type = 'document_block', converted_ref_id = ?, is_completed = ?, kanban_status = ?, status = 'kept' WHERE id = ?`,
 		t.ConvertedRefID, doneInt, t.KanbanStatus, t.ID)
 
 	var updatedBlocks []domain.DocumentBlock