diff --git a/rsconcept/frontend/src/components/select/PickInlineSubstitutions.tsx b/rsconcept/frontend/src/components/select/PickInlineSubstitutions.tsx
new file mode 100644
index 00000000..fcf9c5dc
--- /dev/null
+++ b/rsconcept/frontend/src/components/select/PickInlineSubstitutions.tsx
@@ -0,0 +1,273 @@
+'use client';
+
+import { useCallback, useMemo, useState } from 'react';
+
+import BadgeConstituenta from '@/components/info/BadgeConstituenta';
+import SelectConstituenta from '@/components/select/SelectConstituenta';
+import DataTable, { createColumnHelper } from '@/components/ui/DataTable';
+import Label from '@/components/ui/Label';
+import MiniButton from '@/components/ui/MiniButton';
+import { useConceptOptions } from '@/context/ConceptOptionsContext';
+import { IBinarySubstitution, IConstituenta, IRSForm } from '@/models/rsform';
+import { describeConstituenta } from '@/utils/labels';
+
+import {
+  IconKeepAliasOff,
+  IconKeepAliasOn,
+  IconKeepTermOff,
+  IconKeepTermOn,
+  IconPageFirst,
+  IconPageLast,
+  IconPageLeft,
+  IconPageRight,
+  IconRemove,
+  IconReplace
+} from '../Icons';
+import NoData from '../ui/NoData';
+
+interface PickInlineSubstitutionsProps {
+  prefixID: string;
+  rows?: number;
+
+  schema1?: IRSForm;
+  schema2?: IRSForm;
+  filter1?: (cst: IConstituenta) => boolean;
+  filter2?: (cst: IConstituenta) => boolean;
+
+  items: IBinarySubstitution[];
+  setItems: React.Dispatch<React.SetStateAction<IBinarySubstitution[]>>;
+}
+
+function SubstitutionIcon({ item }: { item: IBinarySubstitution }) {
+  if (item.deleteRight) {
+    if (item.takeLeftTerm) {
+      return <IconPageRight size='1.2rem' />;
+    } else {
+      return <IconPageLast size='1.2rem' />;
+    }
+  } else {
+    if (item.takeLeftTerm) {
+      return <IconPageFirst size='1.2rem' />;
+    } else {
+      return <IconPageLeft size='1.2rem' />;
+    }
+  }
+}
+
+const columnHelper = createColumnHelper<IBinarySubstitution>();
+
+function PickInlineSubstitutions({
+  items,
+  schema1,
+  schema2,
+  filter1,
+  filter2,
+  rows,
+  setItems,
+  prefixID
+}: PickInlineSubstitutionsProps) {
+  const { colors } = useConceptOptions();
+
+  const [leftCst, setLeftCst] = useState<IConstituenta | undefined>(undefined);
+  const [rightCst, setRightCst] = useState<IConstituenta | undefined>(undefined);
+  const [deleteRight, setDeleteRight] = useState(true);
+  const [takeLeftTerm, setTakeLeftTerm] = useState(true);
+
+  const toggleDelete = () => setDeleteRight(prev => !prev);
+  const toggleTerm = () => setTakeLeftTerm(prev => !prev);
+
+  function addSubstitution() {
+    if (!leftCst || !rightCst) {
+      return;
+    }
+    const newSubstitution: IBinarySubstitution = {
+      leftCst: leftCst,
+      rightCst: rightCst,
+      deleteRight: deleteRight,
+      takeLeftTerm: takeLeftTerm
+    };
+    setItems([
+      newSubstitution,
+      ...items.filter(
+        item =>
+          (!item.deleteRight && item.leftCst.id !== leftCst.id) ||
+          (item.deleteRight && item.rightCst.id !== rightCst.id)
+      )
+    ]);
+  }
+
+  const handleDeleteRow = useCallback(
+    (row: number) => {
+      setItems(prev => {
+        const newItems: IBinarySubstitution[] = [];
+        prev.forEach((item, index) => {
+          if (index !== row) {
+            newItems.push(item);
+          }
+        });
+        return newItems;
+      });
+    },
+    [setItems]
+  );
+
+  const columns = useMemo(
+    () => [
+      columnHelper.accessor(item => describeConstituenta(item.leftCst), {
+        id: 'left_text',
+        header: 'Описание',
+        size: 1000,
+        cell: props => <div className='text-xs text-ellipsis'>{props.getValue()}</div>
+      }),
+      columnHelper.accessor(item => item.leftCst.alias, {
+        id: 'left_alias',
+        header: () => <span className='pl-3'>Имя</span>,
+        size: 65,
+        cell: props => (
+          <BadgeConstituenta theme={colors} value={props.row.original.leftCst} prefixID={`${prefixID}_1_`} />
+        )
+      }),
+      columnHelper.display({
+        id: 'status',
+        header: '',
+        size: 40,
+        cell: props => <SubstitutionIcon item={props.row.original} />
+      }),
+      columnHelper.accessor(item => item.rightCst.alias, {
+        id: 'right_alias',
+        header: () => <span className='pl-3'>Имя</span>,
+        size: 65,
+        cell: props => (
+          <BadgeConstituenta theme={colors} value={props.row.original.rightCst} prefixID={`${prefixID}_2_`} />
+        )
+      }),
+      columnHelper.accessor(item => describeConstituenta(item.rightCst), {
+        id: 'right_text',
+        header: 'Описание',
+        minSize: 1000,
+        cell: props => <div className='text-xs text-ellipsis text-pretty'>{props.getValue()}</div>
+      }),
+      columnHelper.display({
+        id: 'actions',
+        cell: props => (
+          <MiniButton
+            noHover
+            title='Удалить'
+            icon={<IconRemove size='1rem' className='icon-red' />}
+            onClick={() => handleDeleteRow(props.row.index)}
+          />
+        )
+      })
+    ],
+    [handleDeleteRow, colors, prefixID]
+  );
+
+  return (
+    <div className='flex flex-col w-full'>
+      <div className='flex items-end gap-3 justify-stretch'>
+        <div className='flex-grow basis-1/2'>
+          <div className='flex items-center justify-between'>
+            <Label text={schema1 !== schema2 ? schema1?.alias ?? 'Схема 1' : ''} />
+            <div className='cc-icons'>
+              <MiniButton
+                title='Сохранить конституенту'
+                noHover
+                onClick={toggleDelete}
+                icon={
+                  deleteRight ? (
+                    <IconKeepAliasOn size='1rem' className='clr-text-green' />
+                  ) : (
+                    <IconKeepAliasOff size='1rem' className='clr-text-red' />
+                  )
+                }
+              />
+              <MiniButton
+                title='Сохранить термин'
+                noHover
+                onClick={toggleTerm}
+                icon={
+                  takeLeftTerm ? (
+                    <IconKeepTermOn size='1rem' className='clr-text-green' />
+                  ) : (
+                    <IconKeepTermOff size='1rem' className='clr-text-red' />
+                  )
+                }
+              />
+            </div>
+          </div>
+          <SelectConstituenta
+            items={schema1?.items.filter(cst => !filter1 || filter1(cst))}
+            value={leftCst}
+            onSelectValue={setLeftCst}
+          />
+        </div>
+
+        <MiniButton
+          noHover
+          title='Добавить в таблицу отождествлений'
+          className='mb-[0.375rem] grow-0'
+          icon={<IconReplace size='1.5rem' className='icon-primary' />}
+          disabled={!leftCst || !rightCst || leftCst === rightCst}
+          onClick={addSubstitution}
+        />
+
+        <div className='flex-grow basis-1/2'>
+          <div className='flex items-center justify-between'>
+            <Label text={schema1 !== schema2 ? schema2?.alias ?? 'Схема 2' : ''} />
+            <div className='cc-icons'>
+              <MiniButton
+                title='Сохранить конституенту'
+                noHover
+                onClick={toggleDelete}
+                icon={
+                  !deleteRight ? (
+                    <IconKeepAliasOn size='1rem' className='clr-text-green' />
+                  ) : (
+                    <IconKeepAliasOff size='1rem' className='clr-text-red' />
+                  )
+                }
+              />
+              <MiniButton
+                title='Сохранить термин'
+                noHover
+                onClick={toggleTerm}
+                icon={
+                  !takeLeftTerm ? (
+                    <IconKeepTermOn size='1rem' className='clr-text-green' />
+                  ) : (
+                    <IconKeepTermOff size='1rem' className='clr-text-red' />
+                  )
+                }
+              />
+            </div>
+          </div>
+          <SelectConstituenta
+            items={schema2?.items.filter(cst => !filter2 || filter2(cst))}
+            value={rightCst}
+            onSelectValue={setRightCst}
+          />
+        </div>
+      </div>
+
+      <DataTable
+        dense
+        noHeader
+        noFooter
+        className='w-full text-sm border select-none cc-scroll-y'
+        rows={rows}
+        contentHeight='1.3rem'
+        data={items}
+        columns={columns}
+        headPosition='0'
+        noDataComponent={
+          <NoData className='min-h-[2rem]'>
+            <p>Список пуст</p>
+            <p>Добавьте отождествление</p>
+          </NoData>
+        }
+      />
+    </div>
+  );
+}
+
+export default PickInlineSubstitutions;
diff --git a/rsconcept/frontend/src/components/select/PickSubstitutions.tsx b/rsconcept/frontend/src/components/select/PickSubstitutions.tsx
index 88e6eadc..d8303aad 100644
--- a/rsconcept/frontend/src/components/select/PickSubstitutions.tsx
+++ b/rsconcept/frontend/src/components/select/PickSubstitutions.tsx
@@ -5,74 +5,100 @@ import { useCallback, useMemo, useState } from 'react';
 import BadgeConstituenta from '@/components/info/BadgeConstituenta';
 import SelectConstituenta from '@/components/select/SelectConstituenta';
 import DataTable, { createColumnHelper } from '@/components/ui/DataTable';
-import Label from '@/components/ui/Label';
 import MiniButton from '@/components/ui/MiniButton';
 import { useConceptOptions } from '@/context/ConceptOptionsContext';
-import { IConstituenta, IRSForm, ISingleSubstitution } from '@/models/rsform';
-import { describeConstituenta } from '@/utils/labels';
+import { LibraryItemID } from '@/models/library';
+import { ICstSubstitute, IMultiSubstitution, IOperation } from '@/models/oss';
+import { ConstituentaID, IConstituenta, IRSForm } from '@/models/rsform';
 
 import {
   IconKeepAliasOff,
   IconKeepAliasOn,
   IconKeepTermOff,
   IconKeepTermOn,
-  IconPageFirst,
   IconPageLast,
-  IconPageLeft,
   IconPageRight,
   IconRemove,
   IconReplace
 } from '../Icons';
 import NoData from '../ui/NoData';
+import SelectOperation from './SelectOperation';
+
+function SubstitutionIcon({ item, className }: { item: IMultiSubstitution; className?: string }) {
+  if (!item.transfer_term) {
+    return <IconPageRight size='1.2rem' className={className} />;
+  } else {
+    return <IconPageLast size='1.2rem' className={className} />;
+  }
+}
 
 interface PickSubstitutionsProps {
   prefixID: string;
   rows?: number;
 
-  schema1?: IRSForm;
-  schema2?: IRSForm;
-  filter1?: (cst: IConstituenta) => boolean;
-  filter2?: (cst: IConstituenta) => boolean;
-
-  items: ISingleSubstitution[];
-  setItems: React.Dispatch<React.SetStateAction<ISingleSubstitution[]>>;
+  operations: IOperation[];
+  getSchema: (id: LibraryItemID) => IRSForm | undefined;
+  getConstituenta: (id: ConstituentaID) => IConstituenta | undefined;
+  getSchemaByCst: (id: ConstituentaID) => IRSForm | undefined;
+  substitutions: ICstSubstitute[];
+  setSubstitutions: React.Dispatch<React.SetStateAction<ICstSubstitute[]>>;
 }
 
-function SubstitutionIcon({ item }: { item: ISingleSubstitution }) {
-  if (item.deleteRight) {
-    if (item.takeLeftTerm) {
-      return <IconPageRight size='1.2rem' />;
-    } else {
-      return <IconPageLast size='1.2rem' />;
-    }
-  } else {
-    if (item.takeLeftTerm) {
-      return <IconPageFirst size='1.2rem' />;
-    } else {
-      return <IconPageLeft size='1.2rem' />;
-    }
-  }
-}
-
-const columnHelper = createColumnHelper<ISingleSubstitution>();
+const columnHelper = createColumnHelper<IMultiSubstitution>();
 
 function PickSubstitutions({
-  items,
-  schema1,
-  schema2,
-  filter1,
-  filter2,
+  prefixID,
   rows,
-  setItems,
-  prefixID
+  operations,
+  getSchema,
+  getConstituenta,
+  getSchemaByCst,
+  substitutions,
+  setSubstitutions
 }: PickSubstitutionsProps) {
   const { colors } = useConceptOptions();
 
+  const [leftArgument, setLeftArgument] = useState<IOperation | undefined>(undefined);
+  const [rightArgument, setRightArgument] = useState<IOperation | undefined>(undefined);
+  const leftSchema = useMemo(
+    () => (leftArgument?.result ? getSchema(leftArgument.result) : undefined),
+    [leftArgument, getSchema]
+  );
+
+  const rightSchema = useMemo(
+    () => (rightArgument?.result ? getSchema(rightArgument.result) : undefined),
+    [rightArgument, getSchema]
+  );
   const [leftCst, setLeftCst] = useState<IConstituenta | undefined>(undefined);
   const [rightCst, setRightCst] = useState<IConstituenta | undefined>(undefined);
+
   const [deleteRight, setDeleteRight] = useState(true);
   const [takeLeftTerm, setTakeLeftTerm] = useState(true);
 
+  const operationByConstituenta = useCallback(
+    (cst: ConstituentaID): IOperation | undefined => {
+      const schema = getSchemaByCst(cst);
+      if (!schema) {
+        return undefined;
+      }
+      const cstOperations = operations.filter(item => item.result === schema.id);
+      return cstOperations.length === 1 ? cstOperations[0] : undefined;
+    },
+    [getSchemaByCst, operations]
+  );
+
+  const substitutionData: IMultiSubstitution[] = useMemo(
+    () =>
+      substitutions.map(item => ({
+        original_operation: operationByConstituenta(item.original),
+        original: getConstituenta(item.original),
+        substitution: getConstituenta(item.substitution),
+        substitution_operation: operationByConstituenta(item.substitution),
+        transfer_term: item.transfer_term
+      })),
+    [getConstituenta, operationByConstituenta, substitutions]
+  );
+
   const toggleDelete = () => setDeleteRight(prev => !prev);
   const toggleTerm = () => setTakeLeftTerm(prev => !prev);
 
@@ -80,26 +106,20 @@ function PickSubstitutions({
     if (!leftCst || !rightCst) {
       return;
     }
-    const newSubstitution: ISingleSubstitution = {
-      leftCst: leftCst,
-      rightCst: rightCst,
-      deleteRight: deleteRight,
-      takeLeftTerm: takeLeftTerm
+    const newSubstitution: ICstSubstitute = {
+      original: deleteRight ? rightCst.id : leftCst.id,
+      substitution: deleteRight ? leftCst.id : rightCst.id,
+      transfer_term: deleteRight != takeLeftTerm
     };
-    setItems([
-      newSubstitution,
-      ...items.filter(
-        item =>
-          (!item.deleteRight && item.leftCst.id !== leftCst.id) ||
-          (item.deleteRight && item.rightCst.id !== rightCst.id)
-      )
-    ]);
+    setSubstitutions(prev => [...prev, newSubstitution]);
+    setLeftCst(undefined);
+    setRightCst(undefined);
   }
 
   const handleDeleteRow = useCallback(
     (row: number) => {
-      setItems(prev => {
-        const newItems: ISingleSubstitution[] = [];
+      setSubstitutions(prev => {
+        const newItems: ICstSubstitute[] = [];
         prev.forEach((item, index) => {
           if (index !== row) {
             newItems.push(item);
@@ -108,24 +128,27 @@ function PickSubstitutions({
         return newItems;
       });
     },
-    [setItems]
+    [setSubstitutions]
   );
 
   const columns = useMemo(
     () => [
-      columnHelper.accessor(item => describeConstituenta(item.leftCst), {
-        id: 'left_text',
-        header: 'Описание',
-        size: 1000,
-        cell: props => <div className='text-xs text-ellipsis'>{props.getValue()}</div>
+      columnHelper.accessor(item => item.substitution_operation?.alias ?? 'N/A', {
+        id: 'left_schema',
+        header: 'Операция',
+        size: 100,
+        cell: props => <div className='min-w-[10rem] text-ellipsis text-right'>{props.getValue()}</div>
       }),
-      columnHelper.accessor(item => item.leftCst.alias, {
+      columnHelper.accessor(item => item.substitution?.alias ?? 'N/A', {
         id: 'left_alias',
         header: () => <span className='pl-3'>Имя</span>,
         size: 65,
-        cell: props => (
-          <BadgeConstituenta theme={colors} value={props.row.original.leftCst} prefixID={`${prefixID}_1_`} />
-        )
+        cell: props =>
+          props.row.original.substitution ? (
+            <BadgeConstituenta theme={colors} value={props.row.original.substitution} prefixID={`${prefixID}_1_`} />
+          ) : (
+            'N/A'
+          )
       }),
       columnHelper.display({
         id: 'status',
@@ -133,29 +156,34 @@ function PickSubstitutions({
         size: 40,
         cell: props => <SubstitutionIcon item={props.row.original} />
       }),
-      columnHelper.accessor(item => item.rightCst.alias, {
+      columnHelper.accessor(item => item.original?.alias ?? 'N/A', {
         id: 'right_alias',
         header: () => <span className='pl-3'>Имя</span>,
         size: 65,
-        cell: props => (
-          <BadgeConstituenta theme={colors} value={props.row.original.rightCst} prefixID={`${prefixID}_2_`} />
-        )
+        cell: props =>
+          props.row.original.original ? (
+            <BadgeConstituenta theme={colors} value={props.row.original.original} prefixID={`${prefixID}_1_`} />
+          ) : (
+            'N/A'
+          )
       }),
-      columnHelper.accessor(item => describeConstituenta(item.rightCst), {
-        id: 'right_text',
-        header: 'Описание',
-        minSize: 1000,
-        cell: props => <div className='text-xs text-ellipsis text-pretty'>{props.getValue()}</div>
+      columnHelper.accessor(item => item.original_operation?.alias ?? 'N/A', {
+        id: 'right_schema',
+        header: 'Операция',
+        size: 100,
+        cell: props => <div className='min-w-[8rem] text-ellipsis'>{props.getValue()}</div>
       }),
       columnHelper.display({
         id: 'actions',
         cell: props => (
-          <MiniButton
-            noHover
-            title='Удалить'
-            icon={<IconRemove size='1rem' className='icon-red' />}
-            onClick={() => handleDeleteRow(props.row.index)}
-          />
+          <div className='max-w-fit'>
+            <MiniButton
+              noHover
+              title='Удалить'
+              icon={<IconRemove size='1rem' className='icon-red' />}
+              onClick={() => handleDeleteRow(props.row.index)}
+            />
+          </div>
         )
       })
     ],
@@ -165,41 +193,47 @@ function PickSubstitutions({
   return (
     <div className='flex flex-col w-full'>
       <div className='flex items-end gap-3 justify-stretch'>
-        <div className='flex-grow basis-1/2'>
-          <div className='flex items-center justify-between'>
-            <Label text={schema1 !== schema2 ? schema1?.alias ?? 'Схема 1' : ''} />
-            <div className='cc-icons'>
-              <MiniButton
-                title='Сохранить конституенту'
-                noHover
-                onClick={toggleDelete}
-                icon={
-                  deleteRight ? (
-                    <IconKeepAliasOn size='1rem' className='clr-text-green' />
-                  ) : (
-                    <IconKeepAliasOff size='1rem' className='clr-text-red' />
-                  )
-                }
-              />
-              <MiniButton
-                title='Сохранить термин'
-                noHover
-                onClick={toggleTerm}
-                icon={
-                  takeLeftTerm ? (
-                    <IconKeepTermOn size='1rem' className='clr-text-green' />
-                  ) : (
-                    <IconKeepTermOff size='1rem' className='clr-text-red' />
-                  )
-                }
-              />
-            </div>
+        <div className='flex-grow flex flex-col basis-1/2'>
+          <div className='cc-icons mb-1 w-fit mx-auto'>
+            <MiniButton
+              title='Сохранить конституенту'
+              noHover
+              onClick={toggleDelete}
+              icon={
+                deleteRight ? (
+                  <IconKeepAliasOn size='1rem' className='clr-text-green' />
+                ) : (
+                  <IconKeepAliasOff size='1rem' className='clr-text-red' />
+                )
+              }
+            />
+            <MiniButton
+              title='Сохранить термин'
+              noHover
+              onClick={toggleTerm}
+              icon={
+                takeLeftTerm ? (
+                  <IconKeepTermOn size='1rem' className='clr-text-green' />
+                ) : (
+                  <IconKeepTermOff size='1rem' className='clr-text-red' />
+                )
+              }
+            />
+          </div>
+          <div className='flex flex-col gap-[0.125rem] border-x border-t clr-input'>
+            <SelectOperation
+              noBorder
+              items={operations.filter(item => item.id !== rightArgument?.id)}
+              value={leftArgument}
+              onSelectValue={setLeftArgument}
+            />
+            <SelectConstituenta
+              noBorder
+              items={leftSchema?.items.filter(cst => !substitutions.find(item => item.original === cst.id))}
+              value={leftCst}
+              onSelectValue={setLeftCst}
+            />
           </div>
-          <SelectConstituenta
-            items={schema1?.items.filter(cst => !filter1 || filter1(cst))}
-            value={leftCst}
-            onSelectValue={setLeftCst}
-          />
         </div>
 
         <MiniButton
@@ -212,40 +246,46 @@ function PickSubstitutions({
         />
 
         <div className='flex-grow basis-1/2'>
-          <div className='flex items-center justify-between'>
-            <Label text={schema1 !== schema2 ? schema2?.alias ?? 'Схема 2' : ''} />
-            <div className='cc-icons'>
-              <MiniButton
-                title='Сохранить конституенту'
-                noHover
-                onClick={toggleDelete}
-                icon={
-                  !deleteRight ? (
-                    <IconKeepAliasOn size='1rem' className='clr-text-green' />
-                  ) : (
-                    <IconKeepAliasOff size='1rem' className='clr-text-red' />
-                  )
-                }
-              />
-              <MiniButton
-                title='Сохранить термин'
-                noHover
-                onClick={toggleTerm}
-                icon={
-                  !takeLeftTerm ? (
-                    <IconKeepTermOn size='1rem' className='clr-text-green' />
-                  ) : (
-                    <IconKeepTermOff size='1rem' className='clr-text-red' />
-                  )
-                }
-              />
-            </div>
+          <div className='cc-icons mb-1 w-fit mx-auto'>
+            <MiniButton
+              title='Сохранить конституенту'
+              noHover
+              onClick={toggleDelete}
+              icon={
+                !deleteRight ? (
+                  <IconKeepAliasOn size='1rem' className='clr-text-green' />
+                ) : (
+                  <IconKeepAliasOff size='1rem' className='clr-text-red' />
+                )
+              }
+            />
+            <MiniButton
+              title='Сохранить термин'
+              noHover
+              onClick={toggleTerm}
+              icon={
+                !takeLeftTerm ? (
+                  <IconKeepTermOn size='1rem' className='clr-text-green' />
+                ) : (
+                  <IconKeepTermOff size='1rem' className='clr-text-red' />
+                )
+              }
+            />
+          </div>
+          <div className='flex flex-col gap-[0.125rem] border-x border-t clr-input'>
+            <SelectOperation
+              noBorder
+              items={operations.filter(item => item.id !== leftArgument?.id)}
+              value={rightArgument}
+              onSelectValue={setRightArgument}
+            />
+            <SelectConstituenta
+              noBorder
+              items={rightSchema?.items.filter(cst => !substitutions.find(item => item.original === cst.id))}
+              value={rightCst}
+              onSelectValue={setRightCst}
+            />
           </div>
-          <SelectConstituenta
-            items={schema2?.items.filter(cst => !filter2 || filter2(cst))}
-            value={rightCst}
-            onSelectValue={setRightCst}
-          />
         </div>
       </div>
 
@@ -256,7 +296,7 @@ function PickSubstitutions({
         className='w-full text-sm border select-none cc-scroll-y'
         rows={rows}
         contentHeight='1.3rem'
-        data={items}
+        data={substitutionData}
         columns={columns}
         headPosition='0'
         noDataComponent={
diff --git a/rsconcept/frontend/src/components/select/SelectConstituenta.tsx b/rsconcept/frontend/src/components/select/SelectConstituenta.tsx
index e302e011..a1bd6631 100644
--- a/rsconcept/frontend/src/components/select/SelectConstituenta.tsx
+++ b/rsconcept/frontend/src/components/select/SelectConstituenta.tsx
@@ -49,7 +49,7 @@ function SelectConstituenta({
     <SelectSingle
       className={clsx('text-ellipsis', className)}
       options={options}
-      value={value ? { value: value.id, label: `${value.alias}: ${describeConstituentaTerm(value)}` } : undefined}
+      value={value ? { value: value.id, label: `${value.alias}: ${describeConstituentaTerm(value)}` } : null}
       onChange={data => onSelectValue(items?.find(cst => cst.id === data?.value))}
       // @ts-expect-error: TODO: use type definitions from react-select in filter object
       filterOption={filter}
diff --git a/rsconcept/frontend/src/components/select/SelectOperation.tsx b/rsconcept/frontend/src/components/select/SelectOperation.tsx
index 50416d5d..359e650c 100644
--- a/rsconcept/frontend/src/components/select/SelectOperation.tsx
+++ b/rsconcept/frontend/src/components/select/SelectOperation.tsx
@@ -47,7 +47,7 @@ function SelectOperation({
     <SelectSingle
       className={clsx('text-ellipsis', className)}
       options={options}
-      value={value ? { value: value.id, label: `${value.alias}: ${value.title}` } : undefined}
+      value={value ? { value: value.id, label: `${value.alias}: ${value.title}` } : null}
       onChange={data => onSelectValue(items?.find(cst => cst.id === data?.value))}
       // @ts-expect-error: TODO: use type definitions from react-select in filter object
       filterOption={filter}
diff --git a/rsconcept/frontend/src/components/select/SelectUser.tsx b/rsconcept/frontend/src/components/select/SelectUser.tsx
index 5b7c4fe7..8865b6dd 100644
--- a/rsconcept/frontend/src/components/select/SelectUser.tsx
+++ b/rsconcept/frontend/src/components/select/SelectUser.tsx
@@ -49,7 +49,7 @@ function SelectUser({
     <SelectSingle
       className={clsx('text-ellipsis', className)}
       options={options}
-      value={value ? { value: value, label: getUserLabel(value) } : undefined}
+      value={value ? { value: value, label: getUserLabel(value) } : null}
       onChange={data => {
         if (data !== null && data.value !== undefined) onSelectValue(data.value);
       }}
diff --git a/rsconcept/frontend/src/dialogs/DlgCreateOperation/DlgCreateOperation.tsx b/rsconcept/frontend/src/dialogs/DlgCreateOperation/DlgCreateOperation.tsx
index 5c30b176..994de931 100644
--- a/rsconcept/frontend/src/dialogs/DlgCreateOperation/DlgCreateOperation.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgCreateOperation/DlgCreateOperation.tsx
@@ -10,8 +10,8 @@ import Overlay from '@/components/ui/Overlay';
 import TabLabel from '@/components/ui/TabLabel';
 import { useLibrary } from '@/context/LibraryContext';
 import { LibraryItemID } from '@/models/library';
-import { HelpTopic, Position2D } from '@/models/miscellaneous';
-import { IOperationCreateData, IOperationPosition, IOperationSchema, OperationID, OperationType } from '@/models/oss';
+import { HelpTopic } from '@/models/miscellaneous';
+import { IOperationCreateData, IOperationSchema, OperationID, OperationType } from '@/models/oss';
 import { PARAMETER } from '@/utils/constants';
 import { describeOperationType, labelOperationType } from '@/utils/labels';
 
@@ -21,8 +21,6 @@ import TabSynthesisOperation from './TabSynthesisOperation';
 interface DlgCreateOperationProps {
   hideWindow: () => void;
   oss: IOperationSchema;
-  positions: IOperationPosition[];
-  insertPosition: Position2D;
   onCreate: (data: IOperationCreateData) => void;
 }
 
@@ -31,7 +29,7 @@ export enum TabID {
   SYNTHESIS = 1
 }
 
-function DlgCreateOperation({ hideWindow, oss, insertPosition, positions, onCreate }: DlgCreateOperationProps) {
+function DlgCreateOperation({ hideWindow, oss, onCreate }: DlgCreateOperationProps) {
   const library = useLibrary();
   const [activeTab, setActiveTab] = useState(TabID.INPUT);
 
@@ -62,8 +60,8 @@ function DlgCreateOperation({ hideWindow, oss, insertPosition, positions, onCrea
   const handleSubmit = () => {
     const data: IOperationCreateData = {
       item_data: {
-        position_x: insertPosition.x,
-        position_y: insertPosition.y,
+        position_x: 0,
+        position_y: 0,
         alias: alias,
         title: title,
         comment: comment,
@@ -71,7 +69,7 @@ function DlgCreateOperation({ hideWindow, oss, insertPosition, positions, onCrea
         operation_type: activeTab === TabID.INPUT ? OperationType.INPUT : OperationType.SYNTHESIS,
         result: activeTab === TabID.INPUT ? attachedID ?? null : null
       },
-      positions: positions,
+      positions: [],
       arguments: activeTab === TabID.INPUT ? undefined : inputs.length > 0 ? inputs : undefined,
       create_schema: createSchema
     };
diff --git a/rsconcept/frontend/src/dialogs/DlgEditOperation/DlgEditOperation.tsx b/rsconcept/frontend/src/dialogs/DlgEditOperation/DlgEditOperation.tsx
new file mode 100644
index 00000000..2c243c62
--- /dev/null
+++ b/rsconcept/frontend/src/dialogs/DlgEditOperation/DlgEditOperation.tsx
@@ -0,0 +1,172 @@
+'use client';
+
+import clsx from 'clsx';
+import { useEffect, useMemo, useState } from 'react';
+import { TabList, TabPanel, Tabs } from 'react-tabs';
+
+import BadgeHelp from '@/components/info/BadgeHelp';
+import Modal from '@/components/ui/Modal';
+import Overlay from '@/components/ui/Overlay';
+import TabLabel from '@/components/ui/TabLabel';
+import useRSFormCache from '@/hooks/useRSFormCache';
+import { HelpTopic } from '@/models/miscellaneous';
+import { ICstSubstitute, IOperation, IOperationSchema, OperationID, OperationType } from '@/models/oss';
+import { PARAMETER } from '@/utils/constants';
+
+import TabArguments from './TabArguments';
+import TabOperation from './TabOperation';
+import TabSynthesis from './TabSynthesis';
+
+interface DlgEditOperationProps {
+  hideWindow: () => void;
+  oss: IOperationSchema;
+  target: IOperation;
+  // onSubmit: (data: IOperationEditData) => void;
+  onSubmit: () => void;
+}
+
+export enum TabID {
+  CARD = 0,
+  ARGUMENTS = 1,
+  SUBSTITUTION = 2
+}
+
+function DlgEditOperation({ hideWindow, oss, target, onSubmit }: DlgEditOperationProps) {
+  const [activeTab, setActiveTab] = useState(TabID.CARD);
+
+  const [alias, setAlias] = useState(target.alias);
+  const [title, setTitle] = useState(target.title);
+  const [comment, setComment] = useState(target.comment);
+  const [syncText, setSyncText] = useState(true);
+
+  const [inputs, setInputs] = useState<OperationID[]>(oss.graph.expandInputs([target.id]));
+  const inputOperations = useMemo(() => inputs.map(id => oss.operationByID.get(id)!), [inputs, oss.operationByID]);
+  const schemasIDs = useMemo(
+    () => inputOperations.map(operation => operation.result).filter(id => id !== null),
+    [inputOperations]
+  );
+  const [substitutions, setSubstitutions] = useState<ICstSubstitute[]>(oss.substitutions);
+  const cache = useRSFormCache();
+
+  const isValid = useMemo(() => alias !== '', [alias]);
+
+  useEffect(() => {
+    cache.preload(schemasIDs);
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [schemasIDs]);
+
+  const handleSubmit = () => {
+    // const data: IOperationCreateData = {
+    //   item_data: {
+    //     position_x: insertPosition.x,
+    //     position_y: insertPosition.y,
+    //     alias: alias,
+    //     title: title,
+    //     comment: comment,
+    //     sync_text: activeTab === TabID.INPUT ? syncText : true,
+    //     operation_type: activeTab === TabID.INPUT ? OperationType.INPUT : OperationType.SYNTHESIS,
+    //     result: activeTab === TabID.INPUT ? attachedID ?? null : null
+    //   },
+    //   positions: positions,
+    //   arguments: activeTab === TabID.INPUT ? undefined : inputs.length > 0 ? inputs : undefined,
+    //   create_schema: createSchema
+    // };
+    onSubmit();
+  };
+
+  const cardPanel = useMemo(
+    () => (
+      <TabPanel>
+        <TabOperation
+          alias={alias}
+          setAlias={setAlias}
+          comment={comment}
+          setComment={setComment}
+          title={title}
+          setTitle={setTitle}
+          syncText={syncText}
+          setSyncText={setSyncText}
+        />
+      </TabPanel>
+    ),
+    [alias, comment, title, syncText]
+  );
+
+  const argumentsPanel = useMemo(
+    () => (
+      <TabPanel>
+        <TabArguments
+          target={target.id} // prettier: split-lines
+          oss={oss}
+          inputs={inputs}
+          setInputs={setInputs}
+        />
+      </TabPanel>
+    ),
+    [oss, target, inputs]
+  );
+
+  const synthesisPanel = useMemo(
+    () => (
+      <TabPanel>
+        <TabSynthesis
+          operations={inputOperations}
+          loading={cache.loading}
+          error={cache.error}
+          getSchema={cache.getSchema}
+          getConstituenta={cache.getConstituenta}
+          getSchemaByCst={cache.getSchemaByCst}
+          substitutions={substitutions}
+          setSubstitutions={setSubstitutions}
+        />
+      </TabPanel>
+    ),
+    [
+      inputOperations,
+      cache.loading,
+      cache.error,
+      cache.getSchema,
+      cache.getConstituenta,
+      substitutions,
+      cache.getSchemaByCst
+    ]
+  );
+
+  return (
+    <Modal
+      header='Редактирование операции'
+      submitText='Сохранить'
+      hideWindow={hideWindow}
+      canSubmit={isValid}
+      onSubmit={handleSubmit}
+      className='w-[40rem] px-6 min-h-[35rem]'
+    >
+      <Overlay position='top-0 right-0'>
+        <BadgeHelp topic={HelpTopic.CC_OSS} className={clsx(PARAMETER.TOOLTIP_WIDTH, 'sm:max-w-[40rem]')} offset={14} />
+      </Overlay>
+
+      <Tabs
+        selectedTabClassName='clr-selected'
+        className='flex flex-col'
+        selectedIndex={activeTab}
+        onSelect={setActiveTab}
+      >
+        <TabList className={clsx('mb-3 self-center', 'flex', 'border divide-x rounded-none')}>
+          <TabLabel title='Текстовые поля' label='Карточка' className='w-[8rem]' />
+          {target.operation_type === OperationType.SYNTHESIS ? (
+            <TabLabel title='Выбор аргументов операции' label='Аргументы' className='w-[8rem]' />
+          ) : null}
+          {target.operation_type === OperationType.SYNTHESIS ? (
+            <TabLabel title='Таблица отождествлений' label='Отождествления' className='w-[8rem]' />
+          ) : null}
+        </TabList>
+
+        {cardPanel}
+        {target.operation_type === OperationType.SYNTHESIS ? argumentsPanel : null}
+        {target.operation_type === OperationType.SYNTHESIS ? synthesisPanel : null}
+      </Tabs>
+    </Modal>
+  );
+}
+
+export default DlgEditOperation;
diff --git a/rsconcept/frontend/src/dialogs/DlgEditOperation/TabArguments.tsx b/rsconcept/frontend/src/dialogs/DlgEditOperation/TabArguments.tsx
new file mode 100644
index 00000000..b872057c
--- /dev/null
+++ b/rsconcept/frontend/src/dialogs/DlgEditOperation/TabArguments.tsx
@@ -0,0 +1,35 @@
+'use client';
+
+import { useMemo } from 'react';
+
+import FlexColumn from '@/components/ui/FlexColumn';
+import Label from '@/components/ui/Label';
+import AnimateFade from '@/components/wrap/AnimateFade';
+import { IOperationSchema, OperationID } from '@/models/oss';
+
+import PickMultiOperation from '../../components/select/PickMultiOperation';
+
+interface TabArgumentsProps {
+  oss: IOperationSchema;
+  target: OperationID;
+  inputs: OperationID[];
+  setInputs: React.Dispatch<React.SetStateAction<OperationID[]>>;
+}
+
+function TabArguments({ oss, inputs, target, setInputs }: TabArgumentsProps) {
+  const potentialCycle = useMemo(() => [target, ...oss.graph.expandAllOutputs([target])], [target, oss.graph]);
+  const filtered = useMemo(
+    () => oss.items.filter(item => !potentialCycle.includes(item.id)),
+    [oss.items, potentialCycle]
+  );
+  return (
+    <AnimateFade className='cc-column'>
+      <FlexColumn>
+        <Label text={`Выбор аргументов: [ ${inputs.length} ]`} />
+        <PickMultiOperation items={filtered} selected={inputs} setSelected={setInputs} rows={8} />
+      </FlexColumn>
+    </AnimateFade>
+  );
+}
+
+export default TabArguments;
diff --git a/rsconcept/frontend/src/dialogs/DlgEditOperation/TabOperation.tsx b/rsconcept/frontend/src/dialogs/DlgEditOperation/TabOperation.tsx
new file mode 100644
index 00000000..976bbcbd
--- /dev/null
+++ b/rsconcept/frontend/src/dialogs/DlgEditOperation/TabOperation.tsx
@@ -0,0 +1,69 @@
+import Checkbox from '@/components/ui/Checkbox';
+import FlexColumn from '@/components/ui/FlexColumn';
+import TextArea from '@/components/ui/TextArea';
+import TextInput from '@/components/ui/TextInput';
+import AnimateFade from '@/components/wrap/AnimateFade';
+import { limits, patterns } from '@/utils/constants';
+
+interface TabOperationProps {
+  alias: string;
+  setAlias: React.Dispatch<React.SetStateAction<string>>;
+  title: string;
+  setTitle: React.Dispatch<React.SetStateAction<string>>;
+  comment: string;
+  setComment: React.Dispatch<React.SetStateAction<string>>;
+  syncText: boolean;
+  setSyncText: React.Dispatch<React.SetStateAction<boolean>>;
+}
+
+function TabOperation({
+  alias,
+  setAlias,
+  title,
+  setTitle,
+  comment,
+  setComment,
+  syncText,
+  setSyncText
+}: TabOperationProps) {
+  return (
+    <AnimateFade className='cc-column'>
+      <TextInput
+        id='operation_title'
+        label='Полное название'
+        value={title}
+        onChange={event => setTitle(event.target.value)}
+      />
+      <div className='flex gap-6'>
+        <FlexColumn>
+          <TextInput
+            id='operation_alias'
+            label='Сокращение'
+            className='w-[14rem]'
+            pattern={patterns.library_alias}
+            title={`не более ${limits.library_alias_len} символов`}
+            value={alias}
+            onChange={event => setAlias(event.target.value)}
+          />
+          <Checkbox
+            value={syncText}
+            setValue={setSyncText}
+            label='Синхронизировать текст'
+            titleHtml='Загрузить текстовые поля<br/> из концептуальной схемы'
+          />
+        </FlexColumn>
+
+        <TextArea
+          id='operation_comment'
+          label='Описание'
+          noResize
+          rows={3}
+          value={comment}
+          onChange={event => setComment(event.target.value)}
+        />
+      </div>
+    </AnimateFade>
+  );
+}
+
+export default TabOperation;
diff --git a/rsconcept/frontend/src/dialogs/DlgEditOperation/TabSynthesis.tsx b/rsconcept/frontend/src/dialogs/DlgEditOperation/TabSynthesis.tsx
new file mode 100644
index 00000000..66c8283e
--- /dev/null
+++ b/rsconcept/frontend/src/dialogs/DlgEditOperation/TabSynthesis.tsx
@@ -0,0 +1,47 @@
+import { ErrorData } from '@/components/info/InfoError';
+import PickSubstitutions from '@/components/select/PickSubstitutions';
+import DataLoader from '@/components/wrap/DataLoader';
+import { LibraryItemID } from '@/models/library';
+import { ICstSubstitute, IOperation } from '@/models/oss';
+import { ConstituentaID, IConstituenta, IRSForm } from '@/models/rsform';
+import { prefixes } from '@/utils/constants';
+
+interface TabSynthesisProps {
+  loading: boolean;
+  error: ErrorData;
+
+  operations: IOperation[];
+  getSchema: (id: LibraryItemID) => IRSForm | undefined;
+  getConstituenta: (id: ConstituentaID) => IConstituenta | undefined;
+  getSchemaByCst: (id: ConstituentaID) => IRSForm | undefined;
+  substitutions: ICstSubstitute[];
+  setSubstitutions: React.Dispatch<React.SetStateAction<ICstSubstitute[]>>;
+}
+
+function TabSynthesis({
+  operations,
+  loading,
+  error,
+  getSchema,
+  getConstituenta,
+  getSchemaByCst,
+  substitutions,
+  setSubstitutions
+}: TabSynthesisProps) {
+  return (
+    <DataLoader id='dlg-synthesis-tab' className='cc-column' isLoading={loading} error={error}>
+      <PickSubstitutions
+        prefixID={prefixes.dlg_cst_substitutes_list}
+        rows={8}
+        operations={operations}
+        getSchema={getSchema}
+        getConstituenta={getConstituenta}
+        getSchemaByCst={getSchemaByCst}
+        substitutions={substitutions}
+        setSubstitutions={setSubstitutions}
+      />
+    </DataLoader>
+  );
+}
+
+export default TabSynthesis;
diff --git a/rsconcept/frontend/src/dialogs/DlgEditOperation/index.tsx b/rsconcept/frontend/src/dialogs/DlgEditOperation/index.tsx
new file mode 100644
index 00000000..d64e0b15
--- /dev/null
+++ b/rsconcept/frontend/src/dialogs/DlgEditOperation/index.tsx
@@ -0,0 +1 @@
+export { default } from './DlgEditOperation';
diff --git a/rsconcept/frontend/src/dialogs/DlgInlineSynthesis/DlgInlineSynthesis.tsx b/rsconcept/frontend/src/dialogs/DlgInlineSynthesis/DlgInlineSynthesis.tsx
index 731fb7e5..e65d2b38 100644
--- a/rsconcept/frontend/src/dialogs/DlgInlineSynthesis/DlgInlineSynthesis.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgInlineSynthesis/DlgInlineSynthesis.tsx
@@ -8,7 +8,7 @@ import Modal, { ModalProps } from '@/components/ui/Modal';
 import TabLabel from '@/components/ui/TabLabel';
 import useRSFormDetails from '@/hooks/useRSFormDetails';
 import { LibraryItemID } from '@/models/library';
-import { IInlineSynthesisData, IRSForm, ISingleSubstitution } from '@/models/rsform';
+import { IBinarySubstitution, IInlineSynthesisData, IRSForm } from '@/models/rsform';
 
 import TabConstituents from './TabConstituents';
 import TabSchema from './TabSchema';
@@ -30,7 +30,7 @@ function DlgInlineSynthesis({ hideWindow, receiver, onInlineSynthesis }: DlgInli
 
   const [donorID, setDonorID] = useState<LibraryItemID | undefined>(undefined);
   const [selected, setSelected] = useState<LibraryItemID[]>([]);
-  const [substitutions, setSubstitutions] = useState<ISingleSubstitution[]>([]);
+  const [substitutions, setSubstitutions] = useState<IBinarySubstitution[]>([]);
 
   const source = useRSFormDetails({ target: donorID ? String(donorID) : undefined });
 
diff --git a/rsconcept/frontend/src/dialogs/DlgInlineSynthesis/TabSubstitutions.tsx b/rsconcept/frontend/src/dialogs/DlgInlineSynthesis/TabSubstitutions.tsx
index 5a5fa489..36d5d01a 100644
--- a/rsconcept/frontend/src/dialogs/DlgInlineSynthesis/TabSubstitutions.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgInlineSynthesis/TabSubstitutions.tsx
@@ -2,10 +2,10 @@
 
 import { ErrorData } from '@/components/info/InfoError';
 import DataLoader from '@/components/wrap/DataLoader';
-import { ConstituentaID, IRSForm, ISingleSubstitution } from '@/models/rsform';
+import { ConstituentaID, IBinarySubstitution, IRSForm } from '@/models/rsform';
 import { prefixes } from '@/utils/constants';
 
-import PickSubstitutions from '../../components/select/PickSubstitutions';
+import PickInlineSubstitutions from '../../components/select/PickInlineSubstitutions';
 
 interface TabSubstitutionsProps {
   receiver?: IRSForm;
@@ -15,8 +15,8 @@ interface TabSubstitutionsProps {
   loading?: boolean;
   error?: ErrorData;
 
-  substitutions: ISingleSubstitution[];
-  setSubstitutions: React.Dispatch<React.SetStateAction<ISingleSubstitution[]>>;
+  substitutions: IBinarySubstitution[];
+  setSubstitutions: React.Dispatch<React.SetStateAction<IBinarySubstitution[]>>;
 }
 
 function TabSubstitutions({
@@ -32,7 +32,7 @@ function TabSubstitutions({
 }: TabSubstitutionsProps) {
   return (
     <DataLoader id='dlg-substitutions-tab' className='cc-column' isLoading={loading} error={error} hasNoData={!source}>
-      <PickSubstitutions
+      <PickInlineSubstitutions
         items={substitutions}
         setItems={setSubstitutions}
         rows={10}
diff --git a/rsconcept/frontend/src/dialogs/DlgSubstituteCst.tsx b/rsconcept/frontend/src/dialogs/DlgSubstituteCst.tsx
index 7a7fe00f..985a96b1 100644
--- a/rsconcept/frontend/src/dialogs/DlgSubstituteCst.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgSubstituteCst.tsx
@@ -3,11 +3,11 @@
 import clsx from 'clsx';
 import { useMemo, useState } from 'react';
 
-import PickSubstitutions from '@/components/select/PickSubstitutions';
+import PickInlineSubstitutions from '@/components/select/PickInlineSubstitutions';
 import Modal, { ModalProps } from '@/components/ui/Modal';
 import { useRSForm } from '@/context/RSFormContext';
 import { ICstSubstituteData } from '@/models/oss';
-import { ISingleSubstitution } from '@/models/rsform';
+import { IBinarySubstitution } from '@/models/rsform';
 import { prefixes } from '@/utils/constants';
 
 interface DlgSubstituteCstProps extends Pick<ModalProps, 'hideWindow'> {
@@ -17,7 +17,7 @@ interface DlgSubstituteCstProps extends Pick<ModalProps, 'hideWindow'> {
 function DlgSubstituteCst({ hideWindow, onSubstitute }: DlgSubstituteCstProps) {
   const { schema } = useRSForm();
 
-  const [substitutions, setSubstitutions] = useState<ISingleSubstitution[]>([]);
+  const [substitutions, setSubstitutions] = useState<IBinarySubstitution[]>([]);
 
   const canSubmit = useMemo(() => substitutions.length > 0, [substitutions]);
 
@@ -42,7 +42,7 @@ function DlgSubstituteCst({ hideWindow, onSubstitute }: DlgSubstituteCstProps) {
       onSubmit={handleSubmit}
       className={clsx('w-[40rem]', 'px-6 pb-3')}
     >
-      <PickSubstitutions
+      <PickInlineSubstitutions
         items={substitutions}
         setItems={setSubstitutions}
         rows={6}
diff --git a/rsconcept/frontend/src/hooks/useRSFormCache.ts b/rsconcept/frontend/src/hooks/useRSFormCache.ts
new file mode 100644
index 00000000..0996c637
--- /dev/null
+++ b/rsconcept/frontend/src/hooks/useRSFormCache.ts
@@ -0,0 +1,82 @@
+'use client';
+
+import { useCallback, useEffect, useMemo, useState } from 'react';
+
+import { getRSFormDetails } from '@/backend/rsforms';
+import { type ErrorData } from '@/components/info/InfoError';
+import { LibraryItemID } from '@/models/library';
+import { ConstituentaID, IRSForm, IRSFormData } from '@/models/rsform';
+import { RSFormLoader } from '@/models/RSFormLoader';
+
+function useRSFormCache() {
+  const [cache, setCache] = useState<IRSForm[]>([]);
+  const [pending, setPending] = useState<LibraryItemID[]>([]);
+  const [processing, setProcessing] = useState<LibraryItemID[]>([]);
+  const loading = useMemo(() => pending.length > 0 || processing.length > 0, [pending, processing]);
+  const [error, setError] = useState<ErrorData>(undefined);
+
+  function setSchema(data: IRSFormData) {
+    const schema = new RSFormLoader(data).produceRSForm();
+    setCache(prev => [...prev, schema]);
+  }
+
+  const getSchema = useCallback((id: LibraryItemID) => cache.find(item => item.id === id), [cache]);
+
+  const getSchemaByCst = useCallback(
+    (id: ConstituentaID) => {
+      for (const schema of cache) {
+        const cst = schema.items.find(cst => cst.id === id);
+        if (cst) {
+          return schema;
+        }
+      }
+      return undefined;
+    },
+    [cache]
+  );
+
+  const getConstituenta = useCallback(
+    (id: ConstituentaID) => {
+      for (const schema of cache) {
+        const cst = schema.items.find(cst => cst.id === id);
+        if (cst) {
+          return cst;
+        }
+      }
+      return undefined;
+    },
+    [cache]
+  );
+
+  const preload = useCallback(
+    (target: LibraryItemID[]) => setPending(prev => [...prev, ...target.filter(id => !prev.includes(id))]),
+    []
+  );
+
+  useEffect(() => {
+    const ids = pending.filter(id => !processing.includes(id) && !cache.find(schema => schema.id === id));
+    if (ids.length === 0) {
+      return;
+    }
+    setProcessing(prev => [...prev, ...ids]);
+    setPending([]);
+    ids.forEach(id =>
+      getRSFormDetails(String(id), '', {
+        showError: false,
+        onError: error => {
+          setProcessing(prev => prev.filter(item => item !== id));
+          setError(error);
+        },
+        onSuccess: data => {
+          setProcessing(prev => prev.filter(item => item !== id));
+          setSchema(data);
+        }
+      })
+    );
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [pending]);
+
+  return { preload, getSchema, getConstituenta, getSchemaByCst, loading, error, setError };
+}
+
+export default useRSFormCache;
diff --git a/rsconcept/frontend/src/models/oss.ts b/rsconcept/frontend/src/models/oss.ts
index 5ec06a05..1fe00643 100644
--- a/rsconcept/frontend/src/models/oss.ts
+++ b/rsconcept/frontend/src/models/oss.ts
@@ -4,7 +4,7 @@
 
 import { Graph } from './Graph';
 import { ILibraryItem, ILibraryItemData, LibraryItemID } from './library';
-import { ConstituentaID } from './rsform';
+import { ConstituentaID, IConstituenta } from './rsform';
 
 /**
  * Represents {@link IOperation} identifier type.
@@ -101,6 +101,17 @@ export interface ICstSubstituteData {
   substitutions: ICstSubstitute[];
 }
 
+/**
+ * Represents substitution for multi synthesis table.
+ */
+export interface IMultiSubstitution {
+  original_operation: IOperation | undefined;
+  original: IConstituenta | undefined;
+  substitution: IConstituenta | undefined;
+  substitution_operation: IOperation | undefined;
+  transfer_term: boolean;
+}
+
 /**
  * Represents {@link ICstSubstitute} extended data.
  */
diff --git a/rsconcept/frontend/src/models/rsform.ts b/rsconcept/frontend/src/models/rsform.ts
index 9cada644..eaf636db 100644
--- a/rsconcept/frontend/src/models/rsform.ts
+++ b/rsconcept/frontend/src/models/rsform.ts
@@ -241,9 +241,9 @@ export interface IVersionCreatedResponse {
 }
 
 /**
- * Represents single substitution for synthesis table.
+ * Represents single substitution for binary synthesis table.
  */
-export interface ISingleSubstitution {
+export interface IBinarySubstitution {
   leftCst: IConstituenta;
   rightCst: IConstituenta;
   deleteRight: boolean;
diff --git a/rsconcept/frontend/src/pages/OssPage/EditorOssGraph/NodeContextMenu.tsx b/rsconcept/frontend/src/pages/OssPage/EditorOssGraph/NodeContextMenu.tsx
index 832a14c4..0209ad27 100644
--- a/rsconcept/frontend/src/pages/OssPage/EditorOssGraph/NodeContextMenu.tsx
+++ b/rsconcept/frontend/src/pages/OssPage/EditorOssGraph/NodeContextMenu.tsx
@@ -1,6 +1,6 @@
 'use client';
 
-import { useCallback, useEffect, useRef, useState } from 'react';
+import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
 import { toast } from 'react-toastify';
 
 import { IconConnect, IconDestroy, IconEdit2, IconExecute, IconNewItem, IconRSForm } from '@/components/Icons';
@@ -24,6 +24,7 @@ interface NodeContextMenuProps extends ContextMenuData {
   onDelete: (target: OperationID) => void;
   onCreateInput: (target: OperationID) => void;
   onEditSchema: (target: OperationID) => void;
+  onEditOperation: (target: OperationID) => void;
 }
 
 function NodeContextMenu({
@@ -33,11 +34,32 @@ function NodeContextMenu({
   onHide,
   onDelete,
   onCreateInput,
-  onEditSchema
+  onEditSchema,
+  onEditOperation
 }: NodeContextMenuProps) {
   const controller = useOssEdit();
   const [isOpen, setIsOpen] = useState(false);
   const ref = useRef(null);
+  const readyForSynthesis = useMemo(() => {
+    if (operation.operation_type !== OperationType.SYNTHESIS) {
+      return false;
+    }
+    if (!controller.schema || operation.result) {
+      return false;
+    }
+
+    const argumentIDs = controller.schema.graph.expandInputs([operation.id]);
+    if (!argumentIDs || argumentIDs.length < 2) {
+      return false;
+    }
+
+    const argumentOperations = argumentIDs.map(id => controller.schema!.operationByID.get(id)!);
+    if (argumentOperations.some(item => item.result === null)) {
+      return false;
+    }
+
+    return true;
+  }, [operation, controller.schema]);
 
   const handleHide = useCallback(() => {
     setIsOpen(false);
@@ -58,8 +80,8 @@ function NodeContextMenu({
   };
 
   const handleEditOperation = () => {
-    toast.error('Not implemented');
     handleHide();
+    onEditOperation(operation.id);
   };
 
   const handleDeleteOperation = () => {
@@ -118,9 +140,13 @@ function NodeContextMenu({
         {controller.isMutable && !operation.result && operation.operation_type === OperationType.SYNTHESIS ? (
           <DropdownButton
             text='Выполнить синтез'
-            title='Выполнить операцию и получить синтезированную КС'
+            title={
+              readyForSynthesis
+                ? 'Выполнить операцию и получить синтезированную КС'
+                : 'Необходимо предоставить все аргументы'
+            }
             icon={<IconExecute size='1rem' className='icon-green' />}
-            disabled={controller.isProcessing}
+            disabled={controller.isProcessing || !readyForSynthesis}
             onClick={handleRunSynthesis}
           />
         ) : null}
diff --git a/rsconcept/frontend/src/pages/OssPage/EditorOssGraph/OssFlow.tsx b/rsconcept/frontend/src/pages/OssPage/EditorOssGraph/OssFlow.tsx
index 088d6a07..5b19ace8 100644
--- a/rsconcept/frontend/src/pages/OssPage/EditorOssGraph/OssFlow.tsx
+++ b/rsconcept/frontend/src/pages/OssPage/EditorOssGraph/OssFlow.tsx
@@ -155,6 +155,13 @@ function OssFlow({ isModified, setIsModified }: OssFlowProps) {
     [controller, getPositions]
   );
 
+  const handleEditOperation = useCallback(
+    (target: OperationID) => {
+      controller.promptEditOperation(target, getPositions());
+    },
+    [controller, getPositions]
+  );
+
   const handleFitView = useCallback(() => {
     flow.fitView({ duration: PARAMETER.zoomDuration });
   }, [flow]);
@@ -301,6 +308,7 @@ function OssFlow({ isModified, setIsModified }: OssFlowProps) {
           onDelete={handleDeleteOperation}
           onCreateInput={handleCreateInput}
           onEditSchema={handleEditSchema}
+          onEditOperation={handleEditOperation}
           {...menuProps}
         />
       ) : null}
diff --git a/rsconcept/frontend/src/pages/OssPage/OssEditContext.tsx b/rsconcept/frontend/src/pages/OssPage/OssEditContext.tsx
index 0cf52520..08800517 100644
--- a/rsconcept/frontend/src/pages/OssPage/OssEditContext.tsx
+++ b/rsconcept/frontend/src/pages/OssPage/OssEditContext.tsx
@@ -14,6 +14,7 @@ import DlgChangeInputSchema from '@/dialogs/DlgChangeInputSchema';
 import DlgChangeLocation from '@/dialogs/DlgChangeLocation';
 import DlgCreateOperation from '@/dialogs/DlgCreateOperation';
 import DlgEditEditors from '@/dialogs/DlgEditEditors';
+import DlgEditOperation from '@/dialogs/DlgEditOperation';
 import { AccessPolicy, LibraryItemID } from '@/models/library';
 import { Position2D } from '@/models/miscellaneous';
 import {
@@ -53,6 +54,7 @@ export interface IOssEditContext {
   deleteOperation: (target: OperationID, positions: IOperationPosition[]) => void;
   createInput: (target: OperationID, positions: IOperationPosition[]) => void;
   promptEditInput: (target: OperationID, positions: IOperationPosition[]) => void;
+  promptEditOperation: (target: OperationID, positions: IOperationPosition[]) => void;
 }
 
 const OssEditContext = createContext<IOssEditContext | null>(null);
@@ -88,6 +90,7 @@ export const OssEditState = ({ selected, setSelected, children }: OssEditStatePr
   const [showEditEditors, setShowEditEditors] = useState(false);
   const [showEditLocation, setShowEditLocation] = useState(false);
   const [showEditInput, setShowEditInput] = useState(false);
+  const [showEditOperation, setShowEditOperation] = useState(false);
 
   const [showCreateOperation, setShowCreateOperation] = useState(false);
   const [insertPosition, setInsertPosition] = useState<Position2D>({ x: 0, y: 0 });
@@ -211,11 +214,32 @@ export const OssEditState = ({ selected, setSelected, children }: OssEditStatePr
 
   const handleCreateOperation = useCallback(
     (data: IOperationCreateData) => {
+      data.positions = positions;
+      data.item_data.position_x = insertPosition.x;
+      data.item_data.position_y = insertPosition.y;
       model.createOperation(data, operation => toast.success(information.newOperation(operation.alias)));
     },
-    [model]
+    [model, positions, insertPosition]
   );
 
+  const promptEditOperation = useCallback((target: OperationID, positions: IOperationPosition[]) => {
+    setPositions(positions);
+    setTargetOperationID(target);
+    setShowEditOperation(true);
+  }, []);
+
+  const handleEditOperation = useCallback(() => {
+    // TODO: проверить наличие всех аргументов
+    // TODO: проверить наличие синтеза
+    // TODO: проверить полноту синтеза
+    // TODO: проверить правильность синтеза
+    // TODO: сохранить позиции
+    // TODO: обновить схему
+    // model.setInput(data, () => toast.success(information.changesSaved));
+
+    toast.error('Not implemented');
+  }, []);
+
   const deleteOperation = useCallback(
     (target: OperationID, positions: IOperationPosition[]) => {
       model.deleteOperation({ target: target, positions: positions }, () =>
@@ -283,7 +307,8 @@ export const OssEditState = ({ selected, setSelected, children }: OssEditStatePr
         promptCreateOperation,
         deleteOperation,
         createInput,
-        promptEditInput
+        promptEditInput,
+        promptEditOperation
       }}
     >
       {model.schema ? (
@@ -306,8 +331,6 @@ export const OssEditState = ({ selected, setSelected, children }: OssEditStatePr
             <DlgCreateOperation
               hideWindow={() => setShowCreateOperation(false)}
               oss={model.schema}
-              positions={positions}
-              insertPosition={insertPosition}
               onCreate={handleCreateOperation}
             />
           ) : null}
@@ -319,6 +342,14 @@ export const OssEditState = ({ selected, setSelected, children }: OssEditStatePr
               onSubmit={setTargetInput}
             />
           ) : null}
+          {showEditOperation ? (
+            <DlgEditOperation
+              hideWindow={() => setShowEditOperation(false)}
+              oss={model.schema}
+              target={targetOperation!}
+              onSubmit={handleEditOperation}
+            />
+          ) : null}
         </AnimatePresence>
       ) : null}