diff --git a/rsconcept/frontend/src/components/RSInput/tooltip.ts b/rsconcept/frontend/src/components/RSInput/tooltip.ts
index 3514aefb..abe1e069 100644
--- a/rsconcept/frontend/src/components/RSInput/tooltip.ts
+++ b/rsconcept/frontend/src/components/RSInput/tooltip.ts
@@ -42,7 +42,7 @@ export const getHoverTooltip = (items: IConstituenta[]) => {
       start--;
     while (end < to && /\w/.test(text[end - from]))
       end++;
-    if (start == pos && side < 0 || end == pos && side > 0) {
+    if (start === pos && side < 0 || end === pos && side > 0) {
       return null;
     }
     const alias = text.slice(start - from, end - from);
diff --git a/rsconcept/frontend/src/context/LibraryContext.tsx b/rsconcept/frontend/src/context/LibraryContext.tsx
index e19c78b1..96dc7c49 100644
--- a/rsconcept/frontend/src/context/LibraryContext.tsx
+++ b/rsconcept/frontend/src/context/LibraryContext.tsx
@@ -14,14 +14,14 @@ interface ILibraryContext {
 
   filter: (params: ILibraryFilter) => IRSFormMeta[]
   createSchema: (data: IRSFormCreateData, callback?: DataCallback<IRSFormMeta>) => void
-  cloneSchema: (target:number, data: IRSFormCreateData, callback: DataCallback<IRSFormData>) => void
-  destroySchema: (target: number, callback?: () => void) => void
+  cloneSchema: (target: string, data: IRSFormCreateData, callback: DataCallback<IRSFormData>) => void
+  destroySchema: (target: string, callback?: () => void) => void
 }
 
 const LibraryContext = createContext<ILibraryContext | null>(null)
 export const useLibrary = (): ILibraryContext => {
   const context = useContext(LibraryContext);
-  if (context == null) {
+  if (context === null) {
     throw new Error(
       'useLibrary has to be used within <LibraryState.Provider>'
     );
@@ -90,9 +90,9 @@ export const LibraryState = ({ children }: LibraryStateProps) => {
   }, [reload]);
 
   const destroySchema = useCallback(
-  (target: number, callback?: () => void) => {
+  (target: string, callback?: () => void) => {
     setError(undefined)
-    deleteRSForm(String(target), {
+    deleteRSForm(target, {
       showError: true,
       setLoading: setProcessing,
       onError: error => setError(error),
@@ -103,12 +103,12 @@ export const LibraryState = ({ children }: LibraryStateProps) => {
   }, [setError, reload]);
 
   const cloneSchema = useCallback(
-  (target: number, data: IRSFormCreateData, callback: DataCallback<IRSFormData>) => {
+  (target: string, data: IRSFormCreateData, callback: DataCallback<IRSFormData>) => {
     if (!user) {
       return;
     }
     setError(undefined)
-    postCloneRSForm(String(target), {
+    postCloneRSForm(target, {
       data: data,
       showError: true,
       setLoading: setProcessing,
diff --git a/rsconcept/frontend/src/context/RSFormContext.tsx b/rsconcept/frontend/src/context/RSFormContext.tsx
index 2d519cd1..07d934b9 100644
--- a/rsconcept/frontend/src/context/RSFormContext.tsx
+++ b/rsconcept/frontend/src/context/RSFormContext.tsx
@@ -50,7 +50,7 @@ interface IRSFormContext {
 const RSFormContext = createContext<IRSFormContext | null>(null)
 export const useRSForm = () => {
   const context = useContext(RSFormContext)
-  if (context == null) {
+  if (context === null) {
     throw new Error(
       'useRSForm has to be used within <RSFormState.Provider>'
     )
@@ -205,7 +205,7 @@ export const RSFormState = ({ schemaID, children }: RSFormStateProps) => {
   const cstUpdate = useCallback(
   (data: ICstUpdateData, callback?: DataCallback<IConstituentaMeta>) => {
     setError(undefined)
-    patchConstituenta(String(data.id), {
+    patchConstituenta(data.id, {
       data: data,
       showError: true,
       setLoading: setProcessing,
diff --git a/rsconcept/frontend/src/context/UsersContext.tsx b/rsconcept/frontend/src/context/UsersContext.tsx
index f14c817e..93800892 100644
--- a/rsconcept/frontend/src/context/UsersContext.tsx
+++ b/rsconcept/frontend/src/context/UsersContext.tsx
@@ -12,7 +12,7 @@ interface IUsersContext {
 const UsersContext = createContext<IUsersContext | null>(null)
 export const useUsers = (): IUsersContext => {
   const context = useContext(UsersContext);
-  if (context == null) {
+  if (context === null) {
     throw new Error(
       'useUsers has to be used within <UsersState.Provider>'
     );
diff --git a/rsconcept/frontend/src/hooks/useCheckExpression.ts b/rsconcept/frontend/src/hooks/useCheckExpression.ts
index 82f524b7..66cbb3b1 100644
--- a/rsconcept/frontend/src/hooks/useCheckExpression.ts
+++ b/rsconcept/frontend/src/hooks/useCheckExpression.ts
@@ -13,7 +13,7 @@ function useCheckExpression({ schema }: { schema?: IRSForm }) {
 
   function checkExpression(expression: string, onSuccess?: DataCallback<IExpressionParse>) {
     setError(undefined);
-    postCheckExpression(String(schema?.id), {
+    postCheckExpression(schema!.id, {
       data: { expression: expression },
       showError: true,
       setLoading,
diff --git a/rsconcept/frontend/src/pages/RSFormPage/DlgDeleteCst.tsx b/rsconcept/frontend/src/pages/RSFormPage/DlgDeleteCst.tsx
index e04144f1..b9da09df 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/DlgDeleteCst.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/DlgDeleteCst.tsx
@@ -7,15 +7,15 @@ import { getCstLabel } from '../../utils/staticUI';
 
 interface DlgDeleteCstProps {
   hideWindow: () => void
-  selected: number[]
-  onDelete: (items: number[]) => void
+  selected: string[]
+  onDelete: (items: string[]) => void
 }
 
 function DlgDeleteCst({ hideWindow, selected, onDelete }: DlgDeleteCstProps) {
   const { schema } = useRSForm();
 
   const [ expandOut, setExpandOut ] = useState(false);
-  const expansion: number[] = useMemo(() => schema?.graph.expandOutputs(selected) ?? [], [selected, schema?.graph]);
+  const expansion: string[] = useMemo(() => schema?.graph.expandOutputs(selected) ?? [], [selected, schema?.graph]);
 
   function handleSubmit() {
     hideWindow();
diff --git a/rsconcept/frontend/src/pages/RSFormPage/DlgShowAST.tsx b/rsconcept/frontend/src/pages/RSFormPage/DlgShowAST.tsx
index 0823b73f..496b1ede 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/DlgShowAST.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/DlgShowAST.tsx
@@ -28,7 +28,7 @@ function DlgShowAST({ hideWindow, syntaxTree, expression }: DlgShowASTProps) {
   () => {
     const result: GraphEdge[] = [];
     syntaxTree.forEach(node => {
-      if (node.parent != node.uid) {
+      if (node.parent !== node.uid) {
         result.push({
           id: String(node.uid),
           source: String(node.parent),
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta.tsx
index 5f4468b7..d49d7899 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta.tsx
@@ -18,11 +18,11 @@ import ViewSideConstituents from './elements/ViewSideConstituents';
 const UNFOLDED_HEIGHT = '59.1rem';
 
 interface EditorConstituentaProps {
-  activeID?: number
-  onOpenEdit: (cstID: number) => void
+  activeID?: string
+  onOpenEdit: (cstID: string) => void
   onShowAST: (expression: string, ast: SyntaxTree) => void
   onCreateCst: (initial: ICstCreateData, skipDialog?: boolean) => void
-  onDeleteCst: (selected: number[], callback?: (items: number[]) => void) => void
+  onDeleteCst: (selected: string[], callback?: (items: string[]) => void) => void
 }
 
 function EditorConstituenta({ activeID, onShowAST, onCreateCst, onOpenEdit, onDeleteCst }: EditorConstituentaProps) {
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorItems.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorItems.tsx
index 3cd7a411..afa4d4ed 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorItems.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorItems.tsx
@@ -14,15 +14,15 @@ import { CstType, IConstituenta, ICstCreateData, ICstMovetoData } from '../../ut
 import { getCstTypePrefix, getCstTypeShortcut, getCstTypificationLabel, mapStatusInfo } from '../../utils/staticUI';
 
 interface EditorItemsProps {
-  onOpenEdit: (cstID: number) => void
+  onOpenEdit: (cstID: string) => void
   onCreateCst: (initial: ICstCreateData, skipDialog?: boolean) => void
-  onDeleteCst: (selected: number[], callback: (items: number[]) => void) => void
+  onDeleteCst: (selected: string[], callback: (items: string[]) => void) => void
 }
 
 function EditorItems({ onOpenEdit, onCreateCst, onDeleteCst }: EditorItemsProps) {
   const { schema, isEditable, cstMoveTo, resetAliases } = useRSForm();
   const { noNavigation } = useConceptTheme();
-  const [selected, setSelected] = useState<number[]>([]);
+  const [selected, setSelected] = useState<string[]>([]);
   const nothingSelected = useMemo(() => selected.length === 0, [selected]);
 
   const [toggledClearRows, setToggledClearRows] = useState(false);
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression.tsx
index 76f467e9..0f2790c4 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression.tsx
@@ -184,7 +184,7 @@ function EditorRSExpression({
   }, [handleEdit]);
 
   return (
-    <div className='flex flex-col items-start [&:not(:first-child)]:mt-3 w-full'>
+    <div className='flex flex-col items-start [&:not(:first-child)]:mt-3 w-full min-h-[15.75rem]'>
       <div className='relative w-full'>
       <div className='absolute top-[-0.3rem] right-0'>
       <StatusBar
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph.tsx
index dfccebf2..2ecb5690 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph.tsx
@@ -56,9 +56,9 @@ export interface GraphEditorParams {
 }
 
 interface EditorTermGraphProps {
-  onOpenEdit: (cstID: number) => void
+  onOpenEdit: (cstID: string) => void
   onCreateCst: (initial: ICstCreateData, skipDialog?: boolean) => void
-  onDeleteCst: (selected: number[], callback: (items: number[]) => void) => void
+  onDeleteCst: (selected: string[], callback: (items: string[]) => void) => void
 }
 
 function EditorTermGraph({ onOpenEdit, onCreateCst, onDeleteCst }: EditorTermGraphProps) {
@@ -83,8 +83,8 @@ function EditorTermGraph({ onOpenEdit, onCreateCst, onDeleteCst }: EditorTermGra
   const [ allowTheorem, setAllowTheorem ] = useLocalStorage('graph_allow_theorem', true);
   
   const [ filtered, setFiltered ] = useState<Graph>(new Graph());
-  const [ dismissed, setDismissed ] = useState<number[]>([]);
-  const [ selectedDismissed, setSelectedDismissed ] = useState<number[]>([]);
+  const [ dismissed, setDismissed ] = useState<string[]>([]);
+  const [ selectedDismissed, setSelectedDismissed ] = useState<string[]>([]);
   const graphRef = useRef<GraphCanvasRef | null>(null);
   const [showOptions, setShowOptions] = useState(false);
   const [toggleUpdate, setToggleUpdate] = useState(false);
@@ -92,7 +92,7 @@ function EditorTermGraph({ onOpenEdit, onCreateCst, onDeleteCst }: EditorTermGra
   const [hoverID, setHoverID] = useState<string | undefined>(undefined);
   const hoverCst = useMemo(
   () => {
-    return schema?.items.find(cst => String(cst.id) == hoverID);
+    return schema?.items.find(cst => String(cst.id) === hoverID);
   }, [schema?.items, hoverID]);
 
   const is3D = useMemo(() => layout.includes('3d'), [layout]);
@@ -137,7 +137,7 @@ function EditorTermGraph({ onOpenEdit, onCreateCst, onDeleteCst }: EditorTermGra
         }
       });
     }
-    const newDismissed: number[] = [];
+    const newDismissed: string[] = [];
     schema.items.forEach(cst => {
       if (!graph.nodes.has(cst.id)) {
         newDismissed.push(cst.id);
@@ -149,9 +149,9 @@ function EditorTermGraph({ onOpenEdit, onCreateCst, onDeleteCst }: EditorTermGra
     setHoverID(undefined);
   }, [schema, noHermits, noTransitive, noTemplates, allowedTypes, toggleUpdate]);
 
-  function toggleDismissed(cstID: number) {
+  function toggleDismissed(cstID: string) {
     setSelectedDismissed(prev => {
-      const index = prev.findIndex(id => cstID == id);
+      const index = prev.findIndex(id => cstID === id);
       if (index !== -1) {
         prev.splice(index, 1);
       } else {
@@ -171,12 +171,13 @@ function EditorTermGraph({ onOpenEdit, onCreateCst, onDeleteCst }: EditorTermGra
       const cst = schema.items.find(cst => cst.id === node.id);
       if (cst) {
         result.push({
-          id: String(node.id),
+          id: node.id,
           fill: getCstNodeColor(cst, coloringScheme, darkMode),
           label: cst.term.resolved && !noTerms ? `${cst.alias}: ${cst.term.resolved}` : cst.alias
         });
       }
     });
+    console.log(result);
     return result;
   }, [schema, coloringScheme, filtered.nodes, darkMode, noTerms]);
 
@@ -188,12 +189,13 @@ function EditorTermGraph({ onOpenEdit, onCreateCst, onDeleteCst }: EditorTermGra
       source.outputs.forEach(target => {
         result.push({
           id: String(edgeID),
-          source: String(source.id),
-          target: String(target)
+          source: source.id,
+          target: target
         });
         edgeID += 1;
       });
     });
+    console.log(result);
     return result;
   }, [filtered.nodes]);
   
@@ -216,7 +218,7 @@ function EditorTermGraph({ onOpenEdit, onCreateCst, onDeleteCst }: EditorTermGra
 
   const allSelected: string[] = useMemo(
   () => {
-    return [ ... selectedDismissed.map(id => String(id)), ... selections];
+    return [ ... selectedDismissed, ... selections];
   }, [selectedDismissed, selections]);
   const nothingSelected = useMemo(() => allSelected.length === 0, [allSelected]);
 
@@ -241,7 +243,7 @@ function EditorTermGraph({ onOpenEdit, onCreateCst, onDeleteCst }: EditorTermGra
   const handleNodeClick = useCallback(
   (node: GraphNode) => {
     if (selections.includes(node.id)) {
-      onOpenEdit(Number(node.id));
+      onOpenEdit(node.id);
       return;
     }
     if (onNodeClick) onNodeClick(node);
@@ -272,10 +274,10 @@ function EditorTermGraph({ onOpenEdit, onCreateCst, onDeleteCst }: EditorTermGra
     }
     const data: ICstCreateData = {
       insert_after: null,
-      cst_type: allSelected.length == 0 ? CstType.BASE: CstType.TERM,
+      cst_type: allSelected.length === 0 ? CstType.BASE: CstType.TERM,
       alias: '',
       term_raw: '',
-      definition_formal: allSelected.map(id => schema.items.find(cst => cst.id === Number(id))!.alias).join(' '),
+      definition_formal: allSelected.map(id => schema.items.find(cst => cst.id === id)!.alias).join(' '),
       definition_raw: '',
       convention: '',
     };
@@ -286,7 +288,7 @@ function EditorTermGraph({ onOpenEdit, onCreateCst, onDeleteCst }: EditorTermGra
     if (!schema) {
       return;
     }
-    onDeleteCst([... allSelected.map(id => Number(id))], () => {
+    onDeleteCst(allSelected, () => {
       clearSelections();
       setDismissed([]);
       setSelectedDismissed([]);
@@ -344,7 +346,7 @@ function EditorTermGraph({ onOpenEdit, onCreateCst, onDeleteCst }: EditorTermGra
   }, [noNavigation]);
 
   const dismissedStyle = useCallback(
-  (cstID: number) => {
+  (cstID: string) => {
     return selectedDismissed.includes(cstID) ? {outlineWidth: '2px', outlineStyle: 'solid'}: {};
   }, [selectedDismissed]);
 
diff --git a/rsconcept/frontend/src/pages/RSFormPage/RSTabs.tsx b/rsconcept/frontend/src/pages/RSFormPage/RSTabs.tsx
index 7a004adf..11f48670 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/RSTabs.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/RSTabs.tsx
@@ -40,7 +40,7 @@ function RSTabs() {
   const { destroySchema } = useLibrary();
 
   const [activeTab, setActiveTab] = useState(RSTabsList.CARD);
-  const [activeID, setActiveID] = useState<number | undefined>(undefined);
+  const [activeID, setActiveID] = useState<string | undefined>(undefined);
   
   const [showUpload, setShowUpload] = useState(false);
   const [showClone, setShowClone] = useState(false);
@@ -49,8 +49,8 @@ function RSTabs() {
   const [expression, setExpression] = useState('');
   const [showAST, setShowAST] = useState(false);
   
-  const [afterDelete, setAfterDelete] = useState<((items: number[]) => void) | undefined>(undefined);
-  const [toBeDeleted, setToBeDeleted] = useState<number[]>([]);
+  const [afterDelete, setAfterDelete] = useState<((items: string[]) => void) | undefined>(undefined);
+  const [toBeDeleted, setToBeDeleted] = useState<string[]>([]);
   const [showDeleteCst, setShowDeleteCst] = useState(false);
   
   const [createInitialData, setCreateInitialData] = useState<ICstCreateData>();
@@ -70,7 +70,7 @@ function RSTabs() {
     const activeTab = Number(new URLSearchParams(search).get('tab')) ?? RSTabsList.CARD;
     const cstQuery = new URLSearchParams(search).get('active');
     setActiveTab(activeTab);
-    setActiveID(Number(cstQuery) ?? (schema && schema?.items.length > 0 && schema?.items[0]));
+    setActiveID(cstQuery ?? ((schema && schema?.items.length > 0) ? schema.items[0].id : undefined))
   }, [search, setActiveTab, setActiveID, schema]);
 
   function onSelectTab(index: number) {
@@ -78,7 +78,7 @@ function RSTabs() {
   }
 
   const navigateTo = useCallback(
-  (tab: RSTabsList, activeID?: number) => {
+  (tab: RSTabsList, activeID?: string) => {
     if (activeID) {
       navigate(`/rsforms/${schema!.id}?tab=${tab}&active=${activeID}`, {
         replace: tab === activeTab && tab !== RSTabsList.CST_EDIT
@@ -97,7 +97,7 @@ function RSTabs() {
     cstCreate(data, newCst => {
       toast.success(`Конституента добавлена: ${newCst.alias}`);
       navigateTo(activeTab, newCst.id);    
-      if (activeTab === RSTabsList.CST_EDIT || activeTab == RSTabsList.CST_LIST) {
+      if (activeTab === RSTabsList.CST_EDIT || activeTab === RSTabsList.CST_LIST) {
         setTimeout(() => {
           const element = document.getElementById(`${prefixes.cst_list}${newCst.alias}`);
           if (element) {
@@ -123,7 +123,7 @@ function RSTabs() {
   }, [handleCreateCst]);
 
   const handleDeleteCst = useCallback(
-  (deleted: number[]) => {
+  (deleted: string[]) => {
     if (!schema) {
       return;
     }
@@ -148,9 +148,9 @@ function RSTabs() {
   }, [afterDelete, cstDelete, schema, activeID, activeTab, navigateTo]);
 
   const promptDeleteCst = useCallback(
-  (selected: number[], callback?: (items: number[]) => void) => {
+  (selected: string[], callback?: (items: string[]) => void) => {
     setAfterDelete(() => (
-    (items: number[]) => {
+    (items: string[]) => {
       if (callback) callback(items);
     }));
     setToBeDeleted(selected);
@@ -165,7 +165,7 @@ function RSTabs() {
   }, []);
 
   const onOpenCst = useCallback(
-  (cstID: number) => {
+  (cstID: string) => {
     navigateTo(RSTabsList.CST_EDIT, cstID)
   }, [navigateTo]);
 
@@ -217,19 +217,19 @@ function RSTabs() {
       defaultFocus={true}
       selectedTabClassName='font-bold'
     >
-      <TabList className='flex items-start px-2 select-none w-fit clr-bg-pop'>
+      <TabList className='flex items-start pl-2 select-none w-fit clr-bg-pop'>
         <RSTabsMenu 
           onDestroy={onDestroySchema}
           showCloneDialog={() => setShowClone(true)} 
           showUploadDialog={() => setShowUpload(true)} 
         />
-        <ConceptTab className='border-r-2'>Паспорт схемы</ConceptTab>
+        <ConceptTab className='border-r-2 min-w-[7.8rem]'>Паспорт схемы</ConceptTab>
         <ConceptTab className='border-r-2 min-w-[10rem] flex justify-between gap-2'>
           <span>Конституенты</span>
           <span>{`${schema.stats?.count_errors ?? 0} | ${schema.stats?.count_all ?? 0}`}</span>
         </ConceptTab>
-        <ConceptTab className='border-r-2'>Редактор</ConceptTab>
-        <ConceptTab>Граф термов</ConceptTab>
+        <ConceptTab className='border-r-2 min-w-[5.2rem]'>Редактор</ConceptTab>
+        <ConceptTab className='min-w-[6.5rem]'>Граф термов</ConceptTab>
       </TabList>
 
       <TabPanel className='flex items-start w-full gap-2 px-2'>
diff --git a/rsconcept/frontend/src/pages/RSFormPage/elements/ViewSideConstituents.tsx b/rsconcept/frontend/src/pages/RSFormPage/elements/ViewSideConstituents.tsx
index c015cd96..2951b95e 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/elements/ViewSideConstituents.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/elements/ViewSideConstituents.tsx
@@ -17,8 +17,12 @@ const LOCAL_NAVIGATION_H = '2.6rem';
 interface ViewSideConstituentsProps {
   expression: string
   baseHeight: string
-  activeID?: number
-  onOpenEdit: (cstID: number) => void
+  activeID?: string
+  onOpenEdit: (cstID: string) => void
+}
+
+function isMockCst(cst: IConstituenta) {
+  return cst.id[0] === '-'
 }
 
 function ViewSideConstituents({ expression, baseHeight, activeID, onOpenEdit }: ViewSideConstituentsProps) {
@@ -45,7 +49,7 @@ function ViewSideConstituents({ expression, baseHeight, activeID, onOpenEdit }:
       const diff = Array.from(aliases).filter(name => !names.includes(name));
       if (diff.length > 0) {
         diff.forEach(
-          (alias, index) => filtered.push(getMockConstituenta(-index, alias, CstType.BASE, 'Конституента отсутствует')));
+          (alias, index) => filtered.push(getMockConstituenta(`-${index}`, alias, CstType.BASE, 'Конституента отсутствует')));
       }
     } else if (!activeID) {
       filtered = schema.items
@@ -60,14 +64,14 @@ function ViewSideConstituents({ expression, baseHeight, activeID, onOpenEdit }:
 
   const handleRowClicked = useCallback(
   (cst: IConstituenta, event: React.MouseEvent<Element, MouseEvent>) => {
-    if (event.altKey && cst.id > 0) {
+    if (event.altKey && !isMockCst(cst)) {
       onOpenEdit(cst.id);
     }
   }, [onOpenEdit]);
 
   const handleDoubleClick = useCallback(
   (cst: IConstituenta) => {
-    if (cst.id > 0) {
+    if (!isMockCst(cst)) {
       onOpenEdit(cst.id);
     }
   }, [onOpenEdit]);
@@ -108,7 +112,7 @@ function ViewSideConstituents({ expression, baseHeight, activeID, onOpenEdit }:
       maxWidth: '65px',
       conditionalCellStyles: [
         {
-          when: (cst: IConstituenta) => cst.id <= 0,
+          when: (cst: IConstituenta) => isMockCst(cst),
           classNames: ['bg-[#ffc9c9]', 'dark:bg-[#592b2b]']
         }
       ]
@@ -121,7 +125,7 @@ function ViewSideConstituents({ expression, baseHeight, activeID, onOpenEdit }:
       wrap: true,
       conditionalCellStyles: [
         {
-          when: (cst: IConstituenta) => cst.id <= 0,
+          when: (cst: IConstituenta) => isMockCst(cst),
           classNames: ['bg-[#ffc9c9]', 'dark:bg-[#592b2b]']
         }
       ]
@@ -136,7 +140,7 @@ function ViewSideConstituents({ expression, baseHeight, activeID, onOpenEdit }:
       wrap: true,
       conditionalCellStyles: [
         {
-          when: (cst: IConstituenta) => cst.id <= 0,
+          when: (cst: IConstituenta) => isMockCst(cst),
           classNames: ['bg-[#ffc9c9]', 'dark:bg-[#592b2b]']
         }
       ]
diff --git a/rsconcept/frontend/src/pages/RegisterPage.tsx b/rsconcept/frontend/src/pages/RegisterPage.tsx
index 9603853e..7362b39d 100644
--- a/rsconcept/frontend/src/pages/RegisterPage.tsx
+++ b/rsconcept/frontend/src/pages/RegisterPage.tsx
@@ -64,9 +64,12 @@ function RegisterPage() {
           onChange={event => { setPassword2(event.target.value); }}
         />
         <div className='text-sm'>
-          <p>- минимум 8 символов</p>
+          <p>- используйте уникальный пароль</p>
+          <p>- портал функционирует в тестовом режиме</p>
+          <p>- безопасность информации пользователей не гарантируется</p>
+          {/* <p>- минимум 8 символов</p>
           <p>- большие, маленькие буквы, цифры</p>
-          <p>- минимум 1 спец. символ</p>
+          <p>- минимум 1 спец. символ</p> */}
         </div>
         <TextInput id='email' label='email' type='text'
           required
diff --git a/rsconcept/frontend/src/utils/Graph.test.ts b/rsconcept/frontend/src/utils/Graph.test.ts
index d577db4b..303a6c36 100644
--- a/rsconcept/frontend/src/utils/Graph.test.ts
+++ b/rsconcept/frontend/src/utils/Graph.test.ts
@@ -8,94 +8,94 @@ describe('Testing Graph constuction', () => {
 
   test('adding edges should create nodes', () => {
     const graph = new Graph();
-    graph.addEdge(13, 37);
-    expect([... graph.nodes.keys()]).toStrictEqual([13, 37]);
+    graph.addEdge('13', '37');
+    expect([... graph.nodes.keys()]).toStrictEqual(['13', '37']);
 
-    graph.addEdge(13, 38);
-    expect([... graph.nodes.keys()]).toStrictEqual([13, 37, 38]);
+    graph.addEdge('13', '38');
+    expect([... graph.nodes.keys()]).toStrictEqual(['13', '37', '38']);
   });
 
   test('creating from array', () => {
-    const graph = new Graph([[1, 2], [3], [4, 1]]);
-    expect([... graph.nodes.keys()]).toStrictEqual([1, 2, 3, 4]);
-    expect([... graph.nodes.get(1)!.outputs]).toStrictEqual([2]);
+    const graph = new Graph([['1', '2'], ['3'], ['4', '1']]);
+    expect([... graph.nodes.keys()]).toStrictEqual(['1', '2', '3', '4']);
+    expect([... graph.nodes.get('1')!.outputs]).toStrictEqual(['2']);
   });
 
   test('cloning', () => {
-    const graph = new Graph([[1, 2], [3], [4, 1]]);
+    const graph = new Graph([['1', '2'], ['3'], ['4', '1']]);
     const clone = graph.clone();
     expect([... graph.nodes.keys()]).toStrictEqual([... clone.nodes.keys()]);
     expect([... graph.nodes.values()]).toStrictEqual([... clone.nodes.values()]);
 
-    clone.removeNode(3);
-    expect(clone.nodes.get(3)).toBeUndefined();
-    expect(graph.nodes.get(3)).not.toBeUndefined();
+    clone.removeNode('3');
+    expect(clone.nodes.get('3')).toBeUndefined();
+    expect(graph.nodes.get('3')).not.toBeUndefined();
   });
 });
 
 describe('Testing Graph editing', () => {
   test('removing edges should not remove nodes', () => {
-    const graph = new Graph([[1, 2], [3], [4, 1]]);
-    expect(graph.hasEdge(4, 1)).toBeTruthy();
+    const graph = new Graph([['1', '2'], ['3'], ['4', '1']]);
+    expect(graph.hasEdge('4', '1')).toBeTruthy();
 
-    graph.removeEdge(5, 0);
-    graph.removeEdge(4, 1);
+    graph.removeEdge('5', '0');
+    graph.removeEdge('4', '1');
     
-    expect([... graph.nodes.keys()]).toStrictEqual([1, 2, 3, 4]);
-    expect(graph.hasEdge(4, 1)).toBeFalsy();
+    expect([... graph.nodes.keys()]).toStrictEqual(['1', '2', '3', '4']);
+    expect(graph.hasEdge('4', '1')).toBeFalsy();
   });
 
   test('folding node redirectes edges', () => {
-    const graph = new Graph([[1, 3], [2, 3], [3, 4], [3, 5], [3, 3]]);
-    graph.foldNode(3);
-    expect(graph.hasNode(3)).toBeFalsy();
-    expect(graph.hasEdge(1, 4)).toBeTruthy();
-    expect(graph.hasEdge(1, 5)).toBeTruthy();
-    expect(graph.hasEdge(2, 4)).toBeTruthy();
-    expect(graph.hasEdge(2, 5)).toBeTruthy();
+    const graph = new Graph([['1', '3'], ['2', '3'], ['3', '4'], ['3', '5'], ['3', '3']]);
+    graph.foldNode('3');
+    expect(graph.hasNode('3')).toBeFalsy();
+    expect(graph.hasEdge('1', '4')).toBeTruthy();
+    expect(graph.hasEdge('1', '5')).toBeTruthy();
+    expect(graph.hasEdge('2', '4')).toBeTruthy();
+    expect(graph.hasEdge('2', '5')).toBeTruthy();
   });
 
   test('removing isolated nodes', () => {
-    const graph = new Graph([[9, 1], [9, 2], [2, 1], [4, 3], [5, 9], [7], [8]]);
+    const graph = new Graph([['9', '1'], ['9', '2'], ['2', '1'], ['4', '3'], ['5', '9'], ['7'], ['8']]);
     graph.removeIsolated()
-    expect([... graph.nodes.keys()]).toStrictEqual([9, 1, 2, 4, 3, 5]);
+    expect([... graph.nodes.keys()]).toStrictEqual(['9', '1', '2', '4', '3', '5']);
   });
 
   test('transitive reduction', () => {
-    const graph = new Graph([[1, 3], [1, 2], [2, 3]]);
+    const graph = new Graph([['1', '3'], ['1', '2'], ['2', '3']]);
     graph.transitiveReduction();
-    expect(graph.hasEdge(1, 2)).toBeTruthy();
-    expect(graph.hasEdge(2, 3)).toBeTruthy();
-    expect(graph.hasEdge(1, 3)).toBeFalsy();
+    expect(graph.hasEdge('1', '2')).toBeTruthy();
+    expect(graph.hasEdge('2', '3')).toBeTruthy();
+    expect(graph.hasEdge('1', '3')).toBeFalsy();
   });
 });
 
 describe('Testing Graph sort', () => {
   test('topological order', () => {
-    const graph = new Graph([[9, 1], [9, 2], [2, 1], [4, 3], [5, 9]]);
-    expect(graph.tolopogicalOrder()).toStrictEqual([5, 4, 3, 9, 2, 1]);
+    const graph = new Graph([['9', '1'], ['9', '2'], ['2', '1'], ['4', '3'], ['5', '9']]);
+    expect(graph.tolopogicalOrder()).toStrictEqual(['5', '4', '3', '9', '2', '1']);
   });
 });
 
 describe('Testing Graph queries', () => {
   test('expand outputs', () => {
-    const graph = new Graph([[1, 2], [2, 3], [2, 5], [5, 6], [6, 1], [7]]);
+    const graph = new Graph([['1', '2'], ['2', '3'], ['2', '5'], ['5', '6'], ['6', '1'], ['7']]);
     expect(graph.expandOutputs([])).toStrictEqual([]);
-    expect(graph.expandOutputs([3])).toStrictEqual([]);
-    expect(graph.expandOutputs([7])).toStrictEqual([]);
-    expect(graph.expandOutputs([2, 5])).toStrictEqual([3, 6, 1]);
+    expect(graph.expandOutputs(['3'])).toStrictEqual([]);
+    expect(graph.expandOutputs(['7'])).toStrictEqual([]);
+    expect(graph.expandOutputs(['2', '5'])).toStrictEqual(['3', '6', '1']);
   });
 
   test('expand into unique array', () => {
-    const graph = new Graph([[1, 2], [1, 3], [2, 5], [3, 5]]);
-    expect(graph.expandOutputs([1])).toStrictEqual([2, 3 ,5]);
+    const graph = new Graph([['1', '2'], ['1', '3'], ['2', '5'], ['3', '5']]);
+    expect(graph.expandOutputs(['1'])).toStrictEqual(['2', '3' , '5']);
   });
 
   test('expand inputs', () => {
-    const graph = new Graph([[1, 2], [2, 3], [2, 5], [5, 6], [6, 1], [7]]);
+    const graph = new Graph([['1', '2'], ['2', '3'], ['2', '5'], ['5', '6'], ['6', '1'], ['7']]);
     expect(graph.expandInputs([])).toStrictEqual([]);
-    expect(graph.expandInputs([7])).toStrictEqual([]);
-    expect(graph.expandInputs([6])).toStrictEqual([5, 2, 1]);
+    expect(graph.expandInputs(['7'])).toStrictEqual([]);
+    expect(graph.expandInputs(['6'])).toStrictEqual(['5', '2', '1']);
   });
 
 });
\ No newline at end of file
diff --git a/rsconcept/frontend/src/utils/Graph.ts b/rsconcept/frontend/src/utils/Graph.ts
index 206758a7..49c13e80 100644
--- a/rsconcept/frontend/src/utils/Graph.ts
+++ b/rsconcept/frontend/src/utils/Graph.ts
@@ -1,10 +1,10 @@
 // ======== ID based fast Graph implementation =============
 export class GraphNode {
-  id: number;
-  outputs: number[];
-  inputs: number[];
+  id: string;
+  outputs: string[];
+  inputs: string[];
 
-  constructor(id: number) {
+  constructor(id: string) {
     this.id = id;
     this.outputs = [];
     this.inputs = [];
@@ -17,34 +17,34 @@ export class GraphNode {
     return result;
   }
 
-  addOutput(node: number): void {
+  addOutput(node: string): void {
     this.outputs.push(node);
   }
 
-  addInput(node: number): void {
+  addInput(node: string): void {
     this.inputs.push(node);
   }
 
-  removeInput(target: number): number | null {
+  removeInput(target: string): string | null {
     const index = this.inputs.findIndex(node => node === target);
     return index > -1 ? this.inputs.splice(index, 1)[0] : null;
   }
 
-  removeOutput(target: number): number | null {
+  removeOutput(target: string): string | null {
     const index = this.outputs.findIndex(node => node === target);
     return index > -1 ? this.outputs.splice(index, 1)[0] : null;
   }
 }
 
 export class Graph {
-  nodes: Map<number, GraphNode> = new Map();
+  nodes: Map<string, GraphNode> = new Map();
 
-  constructor(arr?: number[][]) {
+  constructor(arr?: string[][]) {
     if (!arr) {
       return;
     }
     arr.forEach(edge => {
-      if (edge.length == 1) {
+      if (edge.length === 1) {
         this.addNode(edge[0]);
       } else {
         this.addEdge(edge[0], edge[1]);
@@ -58,7 +58,7 @@ export class Graph {
     return result;
   }
 
-  addNode(target: number): GraphNode {
+  addNode(target: string): GraphNode {
     let node = this.nodes.get(target);
     if (!node) {
       node = new GraphNode(target);
@@ -67,11 +67,11 @@ export class Graph {
     return node;
   }
 
-  hasNode(target: number): boolean {
+  hasNode(target: string): boolean {
     return !!this.nodes.get(target);
   }
 
-  removeNode(target: number): GraphNode | null {
+  removeNode(target: string): GraphNode | null {
     const nodeToRemove = this.nodes.get(target);
     if (!nodeToRemove) {
       return null;
@@ -84,7 +84,7 @@ export class Graph {
     return nodeToRemove;
   }
 
-  foldNode(target: number): GraphNode | null {
+  foldNode(target: string): GraphNode | null {
     const nodeToRemove = this.nodes.get(target);
     if (!nodeToRemove) {
       return null;
@@ -107,14 +107,14 @@ export class Graph {
     return result;
   }
 
-  addEdge(source: number, destination: number): void {
+  addEdge(source: string, destination: string): void {
     const sourceNode = this.addNode(source);
     const destinationNode = this.addNode(destination);
     sourceNode.addOutput(destinationNode.id);
     destinationNode.addInput(sourceNode.id);
   }
 
-  removeEdge(source: number, destination: number): void {
+  removeEdge(source: string, destination: string): void {
     const sourceNode = this.nodes.get(source);
     const destinationNode = this.nodes.get(destination);
     if (sourceNode && destinationNode) {
@@ -123,7 +123,7 @@ export class Graph {
     }
   }
 
-  hasEdge(source: number, destination: number): boolean {
+  hasEdge(source: string, destination: string): boolean {
     const sourceNode = this.nodes.get(source);
     if (!sourceNode) {
       return false;
@@ -131,9 +131,9 @@ export class Graph {
     return !!sourceNode.outputs.find(id => id === destination);
   }
 
-  expandOutputs(origin: number[]): number[] {
-    const result: number[] = [];
-    const marked = new Map<number, boolean>();
+  expandOutputs(origin: string[]): string[] {
+    const result: string[] = [];
+    const marked = new Map<string, boolean>();
     origin.forEach(id => marked.set(id, true));
     origin.forEach(id => {
       const node = this.nodes.get(id);
@@ -161,9 +161,9 @@ export class Graph {
     return result;
   }
   
-  expandInputs(origin: number[]): number[] {
-    const result: number[] = [];
-    const marked = new Map<number, boolean>();
+  expandInputs(origin: string[]): string[] {
+    const result: string[] = [];
+    const marked = new Map<string, boolean>();
     origin.forEach(id => marked.set(id, true));
     origin.forEach(id => {
       const node = this.nodes.get(id);
@@ -191,10 +191,10 @@ export class Graph {
     return result;
   }  
 
-  tolopogicalOrder(): number[] {
-    const result: number[] = [];
-    const marked = new Map<number, boolean>();
-    const toVisit: number[] = [];
+  tolopogicalOrder(): string[] {
+    const result: string[] = [];
+    const marked = new Map<string, boolean>();
+    const toVisit: string[] = [];
     this.nodes.forEach(node => {
       if (marked.get(node.id)) {
         return;
@@ -225,12 +225,12 @@ export class Graph {
 
   transitiveReduction() {
     const order = this.tolopogicalOrder();
-    const marked = new Map<number, boolean>();
+    const marked = new Map<string, boolean>();
     order.forEach(nodeID => {
       if (marked.get(nodeID)) {
         return;
       }
-      const stack: {id: number, parents: number[]}[] = [];
+      const stack: {id: string, parents: string[]}[] = [];
       stack.push({id: nodeID, parents: []});
       while (stack.length > 0) {
         const item = stack.splice(0, 1)[0];
diff --git a/rsconcept/frontend/src/utils/backendAPI.ts b/rsconcept/frontend/src/utils/backendAPI.ts
index c74807b1..084f9eb8 100644
--- a/rsconcept/frontend/src/utils/backendAPI.ts
+++ b/rsconcept/frontend/src/utils/backendAPI.ts
@@ -196,7 +196,7 @@ export function postNewConstituenta(schema: string, request: FrontExchange<ICstC
 
 export function patchDeleteConstituenta(schema: string, request: FrontExchange<IConstituentaList, IRSFormData>) {
   AxiosPatch({
-    title: `Delete Constituents for RSForm id=${schema}: ${request.data.items.map(item => String(item.id)).join(' ')}`,
+    title: `Delete Constituents for RSForm id=${schema}: ${request.data.items.map(item => item.id).join(' ')}`,
     endpoint: `/api/rsforms/${schema}/cst-multidelete/`,
     request: request
   });
diff --git a/rsconcept/frontend/src/utils/enums.ts b/rsconcept/frontend/src/utils/enums.ts
index 4ae91c97..24c37c84 100644
--- a/rsconcept/frontend/src/utils/enums.ts
+++ b/rsconcept/frontend/src/utils/enums.ts
@@ -162,11 +162,11 @@ const ERRCODE_LEXER_MASK = 0x0200;
 const ERRCODE_PARSER_MASK = 0x0400;
 const ERRCODE_TYPE_MASK = 0x0800;
 export function resolveErrorClass(error: RSErrorType): RSErrorClass {
-	if ((error & ERRCODE_LEXER_MASK) != 0) {
+	if ((error & ERRCODE_LEXER_MASK) !== 0) {
 		return RSErrorClass.LEXER;
-	} else if ((error & ERRCODE_PARSER_MASK) != 0) {
+	} else if ((error & ERRCODE_PARSER_MASK) !== 0) {
 		return RSErrorClass.PARSER;
-	} else if ((error & ERRCODE_TYPE_MASK) != 0) {
+	} else if ((error & ERRCODE_TYPE_MASK) !== 0) {
 		return RSErrorClass.SEMANTIC;
 	} else {
 		return RSErrorClass.UNKNOWN;
diff --git a/rsconcept/frontend/src/utils/models.ts b/rsconcept/frontend/src/utils/models.ts
index b3947892..703715d6 100644
--- a/rsconcept/frontend/src/utils/models.ts
+++ b/rsconcept/frontend/src/utils/models.ts
@@ -109,7 +109,7 @@ export enum CstClass {
 }
 
 export interface IConstituenta {
-  id: number
+  id: string
   alias: string
   cstType: CstType
   convention: string
@@ -138,8 +138,8 @@ export interface IConstituenta {
 }
 
 export interface IConstituentaMeta {
-  id: number
-  schema: number
+  id: string
+  schema: string
   order: number
   alias: string
   convention: string
@@ -158,7 +158,7 @@ export interface IConstituentaList {
 
 export interface ICstCreateData 
 extends Pick<IConstituentaMeta, 'alias' | 'cst_type' | 'definition_raw' | 'term_raw' | 'convention' | 'definition_formal' > {
-  insert_after: number | null
+  insert_after: string | null
 }
 
 export interface ICstMovetoData extends IConstituentaList {
@@ -168,6 +168,9 @@ export interface ICstMovetoData extends IConstituentaList {
 export interface ICstUpdateData
 extends Pick<IConstituentaMeta, 'id' | 'alias' | 'convention' | 'definition_formal' | 'definition_raw' | 'term_raw'> {}
 
+export interface ICstRenameData 
+extends Pick<IConstituentaMeta, 'id' | 'alias' | 'cst_type' > {}
+
 export interface ICstCreatedResponse {
   new_cst: IConstituentaMeta
   schema: IRSFormData
@@ -193,7 +196,7 @@ export interface IRSFormStats {
 }
 
 export interface IRSForm {
-  id: number
+  id: string
   title: string
   alias: string
   comment: string
@@ -365,7 +368,9 @@ export function LoadRSFormData(schema: IRSFormData): IRSForm {
     count_theorem: result.items.reduce(
       (sum, cst) => sum + (cst.cstType === CstType.THEOREM ? 1 : 0), 0)
   }
+  result.id = String(result.id)
   result.items.forEach(cst => {
+    cst.id = String(cst.id)
     cst.status = inferStatus(cst.parse.status, cst.parse.valueClass);
     cst.isTemplate = inferTemplate(cst.definition.formal);
     cst.cstClass = inferClass(cst.cstType, cst.isTemplate);
@@ -411,11 +416,11 @@ export function matchRSFormMeta(query: string, target: IRSFormMeta) {
   }
 }
 
-export function applyGraphFilter(schema: IRSForm, start: number, mode: DependencyMode): IConstituenta[] {
+export function applyGraphFilter(schema: IRSForm, start: string, mode: DependencyMode): IConstituenta[] {
   if (mode === DependencyMode.ALL) {
     return schema.items;
   }
-  let ids: number[] | undefined = undefined
+  let ids: string[] | undefined = undefined
   switch (mode) {
   case DependencyMode.OUTPUTS: { ids = schema.graph.nodes.get(start)?.outputs; break; }
   case DependencyMode.INPUTS: { ids = schema.graph.nodes.get(start)?.inputs; break; }
diff --git a/rsconcept/frontend/src/utils/staticUI.ts b/rsconcept/frontend/src/utils/staticUI.ts
index 81c3dba5..62f042ed 100644
--- a/rsconcept/frontend/src/utils/staticUI.ts
+++ b/rsconcept/frontend/src/utils/staticUI.ts
@@ -407,7 +407,7 @@ export function createAliasFor(type: CstType, schema: IRSForm): string {
   return `${prefix}${index}`;
 }
 
-export function getMockConstituenta(id: number, alias: string, type: CstType, comment: string): IConstituenta {
+export function getMockConstituenta(id: string, alias: string, type: CstType, comment: string): IConstituenta {
   return {
     id: id,
     alias: alias,