diff --git a/rsconcept/frontend/src/components/Modal/ModalForm.tsx b/rsconcept/frontend/src/components/Modal/ModalForm.tsx
index 0f58a8fa..f57f0577 100644
--- a/rsconcept/frontend/src/components/Modal/ModalForm.tsx
+++ b/rsconcept/frontend/src/components/Modal/ModalForm.tsx
@@ -55,7 +55,7 @@ export function ModalForm({
   header,
   overflowVisible,
 
-  canSubmit,
+  canSubmit = true,
   submitText = 'Продолжить',
   submitInvalidTooltip,
   beforeSubmit,
diff --git a/rsconcept/frontend/src/features/auth/backend/api.ts b/rsconcept/frontend/src/features/auth/backend/api.ts
index 9d4adcd1..5ed613be 100644
--- a/rsconcept/frontend/src/features/auth/backend/api.ts
+++ b/rsconcept/frontend/src/features/auth/backend/api.ts
@@ -20,7 +20,7 @@ export interface ICurrentUser {
 /**
  * Represents login data, used to authenticate users.
  */
-export const UserLoginSchema = z.object({
+export const schemaUserLogin = z.object({
   username: z.string().nonempty(errors.requiredField),
   password: z.string().nonempty(errors.requiredField)
 });
@@ -28,12 +28,12 @@ export const UserLoginSchema = z.object({
 /**
  * Represents login data, used to authenticate users.
  */
-export type IUserLoginDTO = z.infer<typeof UserLoginSchema>;
+export type IUserLoginDTO = z.infer<typeof schemaUserLogin>;
 
 /**
  * Represents data needed to update password for current user.
  */
-export const ChangePasswordSchema = z
+export const schemaChangePassword = z
   .object({
     old_password: z.string().nonempty(errors.requiredField),
     new_password: z.string().nonempty(errors.requiredField),
@@ -51,7 +51,7 @@ export const ChangePasswordSchema = z
 /**
  * Represents data needed to update password for current user.
  */
-export type IChangePasswordDTO = z.infer<typeof ChangePasswordSchema>;
+export type IChangePasswordDTO = z.infer<typeof schemaChangePassword>;
 
 /**
  * Represents password reset request data.
diff --git a/rsconcept/frontend/src/features/auth/pages/LoginPage.tsx b/rsconcept/frontend/src/features/auth/pages/LoginPage.tsx
index 48894d26..6c265418 100644
--- a/rsconcept/frontend/src/features/auth/pages/LoginPage.tsx
+++ b/rsconcept/frontend/src/features/auth/pages/LoginPage.tsx
@@ -12,7 +12,7 @@ import { TextInput } from '@/components/Input';
 import useQueryStrings from '@/hooks/useQueryStrings';
 import { resources } from '@/utils/constants';
 
-import { IUserLoginDTO, UserLoginSchema } from '../backend/api';
+import { IUserLoginDTO, schemaUserLogin } from '../backend/api';
 import { useAuthSuspense } from '../backend/useAuth';
 import { useLogin } from '../backend/useLogin';
 import ExpectedAnonymous from '../components/ExpectedAnonymous';
@@ -29,7 +29,7 @@ function LoginPage() {
     resetField,
     formState: { errors }
   } = useForm({
-    resolver: zodResolver(UserLoginSchema),
+    resolver: zodResolver(schemaUserLogin),
     defaultValues: { username: initialName, password: '' }
   });
 
diff --git a/rsconcept/frontend/src/features/library/backend/api.ts b/rsconcept/frontend/src/features/library/backend/api.ts
index bc0ae512..eb73156e 100644
--- a/rsconcept/frontend/src/features/library/backend/api.ts
+++ b/rsconcept/frontend/src/features/library/backend/api.ts
@@ -22,7 +22,7 @@ export interface IRenameLocationDTO {
 /**
  * Represents data, used for cloning {@link IRSForm}.
  */
-export const CloneLibraryItemSchema = z.object({
+export const schemaCloneLibraryItem = z.object({
   id: z.number(),
   item_type: z.nativeEnum(LibraryItemType),
   title: z.string().nonempty(errors.requiredField),
@@ -39,12 +39,12 @@ export const CloneLibraryItemSchema = z.object({
 /**
  * Represents data, used for cloning {@link IRSForm}.
  */
-export type ICloneLibraryItemDTO = z.infer<typeof CloneLibraryItemSchema>;
+export type ICloneLibraryItemDTO = z.infer<typeof schemaCloneLibraryItem>;
 
 /**
  * Represents data, used for creating {@link IRSForm}.
  */
-export const CreateLibraryItemSchema = z
+export const schemaCreateLibraryItem = z
   .object({
     item_type: z.nativeEnum(LibraryItemType),
     title: z.string().optional(),
@@ -70,12 +70,12 @@ export const CreateLibraryItemSchema = z
 /**
  * Represents data, used for creating {@link IRSForm}.
  */
-export type ICreateLibraryItemDTO = z.infer<typeof CreateLibraryItemSchema>;
+export type ICreateLibraryItemDTO = z.infer<typeof schemaCreateLibraryItem>;
 
 /**
  * Represents update data for editing {@link ILibraryItem}.
  */
-export const UpdateLibraryItemSchema = z.object({
+export const schemaUpdateLibraryItem = z.object({
   id: z.number(),
   item_type: z.nativeEnum(LibraryItemType),
   title: z.string().nonempty(errors.requiredField),
@@ -88,12 +88,12 @@ export const UpdateLibraryItemSchema = z.object({
 /**
  * Represents update data for editing {@link ILibraryItem}.
  */
-export type IUpdateLibraryItemDTO = z.infer<typeof UpdateLibraryItemSchema>;
+export type IUpdateLibraryItemDTO = z.infer<typeof schemaUpdateLibraryItem>;
 
 /**
  * Create version metadata in persistent storage.
  */
-export const VersionCreateSchema = z.object({
+export const schemaVersionCreate = z.object({
   version: z.string(),
   description: z.string(),
   items: z.array(z.number()).optional()
@@ -102,7 +102,7 @@ export const VersionCreateSchema = z.object({
 /**
  * Create version metadata in persistent storage.
  */
-export type IVersionCreateDTO = z.infer<typeof VersionCreateSchema>;
+export type IVersionCreateDTO = z.infer<typeof schemaVersionCreate>;
 
 /**
  * Represents data response when creating {@link IVersionInfo}.
@@ -115,7 +115,7 @@ export interface IVersionCreatedResponse {
 /**
  * Represents version data, intended to update version metadata in persistent storage.
  */
-export const VersionUpdateSchema = z.object({
+export const schemaVersionUpdate = z.object({
   id: z.number(),
   version: z.string().nonempty(errors.requiredField),
   description: z.string()
@@ -124,7 +124,7 @@ export const VersionUpdateSchema = z.object({
 /**
  * Represents version data, intended to update version metadata in persistent storage.
  */
-export type IVersionUpdateDTO = z.infer<typeof VersionUpdateSchema>;
+export type IVersionUpdateDTO = z.infer<typeof schemaVersionUpdate>;
 
 export const libraryApi = {
   baseKey: 'library',
diff --git a/rsconcept/frontend/src/features/library/pages/CreateItemPage/FormCreateItem.tsx b/rsconcept/frontend/src/features/library/pages/CreateItemPage/FormCreateItem.tsx
index 7d51f847..263fef4e 100644
--- a/rsconcept/frontend/src/features/library/pages/CreateItemPage/FormCreateItem.tsx
+++ b/rsconcept/frontend/src/features/library/pages/CreateItemPage/FormCreateItem.tsx
@@ -15,7 +15,7 @@ import { Label, TextArea, TextInput } from '@/components/Input';
 import { useAuthSuspense } from '@/features/auth/backend/useAuth';
 import { EXTEOR_TRS_FILE } from '@/utils/constants';
 
-import { CreateLibraryItemSchema, ICreateLibraryItemDTO } from '../../backend/api';
+import { schemaCreateLibraryItem, ICreateLibraryItemDTO } from '../../backend/api';
 import { useCreateItem } from '../../backend/useCreateItem';
 import SelectAccessPolicy from '../../components/SelectAccessPolicy';
 import SelectItemType from '../../components/SelectItemType';
@@ -41,7 +41,7 @@ function FormCreateItem() {
     control,
     formState: { errors }
   } = useForm<ICreateLibraryItemDTO>({
-    resolver: zodResolver(CreateLibraryItemSchema),
+    resolver: zodResolver(schemaCreateLibraryItem),
     defaultValues: {
       item_type: LibraryItemType.RSFORM,
       access_policy: AccessPolicy.PUBLIC,
diff --git a/rsconcept/frontend/src/features/oss/backend/api.ts b/rsconcept/frontend/src/features/oss/backend/api.ts
index 35257f5e..3f32b3e3 100644
--- a/rsconcept/frontend/src/features/oss/backend/api.ts
+++ b/rsconcept/frontend/src/features/oss/backend/api.ts
@@ -29,6 +29,20 @@ export interface IOperationSchemaDTO extends ILibraryItemData {
   substitutions: ICstSubstituteEx[];
 }
 
+/**
+ * Represents {@link IOperation} position.
+ */
+export const schemaOperationPosition = z.object({
+  id: z.number(),
+  position_x: z.number(),
+  position_y: z.number()
+});
+
+/**
+ * Represents {@link IOperation} position.
+ */
+export type IOperationPosition = z.infer<typeof schemaOperationPosition>;
+
 /**
  * Represents {@link IOperation} data, used in creation process.
  */
@@ -66,10 +80,17 @@ export interface ITargetOperation {
 /**
  * Represents {@link IOperation} data, used in destruction process.
  */
-export interface IOperationDeleteDTO extends ITargetOperation {
-  keep_constituents: boolean;
-  delete_schema: boolean;
-}
+export const schemaOperationDelete = z.object({
+  target: z.number(),
+  positions: z.array(schemaOperationPosition),
+  keep_constituents: z.boolean(),
+  delete_schema: z.boolean()
+});
+
+/**
+ * Represents {@link IOperation} data, used in destruction process.
+ */
+export type IOperationDeleteDTO = z.infer<typeof schemaOperationDelete>;
 
 /**
  * Represents data response when creating {@link IRSForm} for Input {@link IOperation}.
@@ -79,33 +100,19 @@ export interface IInputCreatedResponse {
   oss: IOperationSchemaDTO;
 }
 
-/**
- * Represents {@link IOperation} position.
- */
-export const OperationPositionSchema = z.object({
-  id: z.number(),
-  position_x: z.number(),
-  position_y: z.number()
-});
-
-/**
- * Represents {@link IOperation} position.
- */
-export type IOperationPosition = z.infer<typeof OperationPositionSchema>;
-
 /**
  * Represents {@link IOperation} data, used in setInput process.
  */
-export const InputUpdateSchema = z.object({
+export const schemaInputUpdate = z.object({
   target: z.number(),
-  positions: z.array(OperationPositionSchema),
+  positions: z.array(schemaOperationPosition),
   input: z.number().nullable()
 });
 
 /**
  * Represents {@link IOperation} data, used in setInput process.
  */
-export type IInputUpdateDTO = z.infer<typeof InputUpdateSchema>;
+export type IInputUpdateDTO = z.infer<typeof schemaInputUpdate>;
 
 /**
  * Represents {@link IOperation} data, used in update process.
diff --git a/rsconcept/frontend/src/features/oss/dialogs/DlgChangeInputSchema.tsx b/rsconcept/frontend/src/features/oss/dialogs/DlgChangeInputSchema.tsx
index fafc4498..f7438b9c 100644
--- a/rsconcept/frontend/src/features/oss/dialogs/DlgChangeInputSchema.tsx
+++ b/rsconcept/frontend/src/features/oss/dialogs/DlgChangeInputSchema.tsx
@@ -13,7 +13,7 @@ import { ILibraryItem, LibraryItemType } from '@/features/library/models/library
 import PickSchema from '@/features/rsform/components/PickSchema';
 import { useDialogsStore } from '@/stores/dialogs';
 
-import { IInputUpdateDTO, InputUpdateSchema, IOperationPosition } from '../backend/api';
+import { IInputUpdateDTO, IOperationPosition, schemaInputUpdate } from '../backend/api';
 import { useInputUpdate } from '../backend/useInputUpdate';
 import { IOperation, IOperationSchema } from '../models/oss';
 import { sortItemsForOSS } from '../models/ossAPI';
@@ -29,7 +29,7 @@ function DlgChangeInputSchema() {
   const { inputUpdate } = useInputUpdate();
 
   const { setValue, handleSubmit, control } = useForm<IInputUpdateDTO>({
-    resolver: zodResolver(InputUpdateSchema),
+    resolver: zodResolver(schemaInputUpdate),
     defaultValues: {
       target: target.id,
       positions: positions,
diff --git a/rsconcept/frontend/src/features/oss/dialogs/DlgDeleteOperation.tsx b/rsconcept/frontend/src/features/oss/dialogs/DlgDeleteOperation.tsx
index 57e233be..53a2913d 100644
--- a/rsconcept/frontend/src/features/oss/dialogs/DlgDeleteOperation.tsx
+++ b/rsconcept/frontend/src/features/oss/dialogs/DlgDeleteOperation.tsx
@@ -1,27 +1,40 @@
 'use client';
 
+import { zodResolver } from '@hookform/resolvers/zod';
 import clsx from 'clsx';
-import { useState } from 'react';
+import { Controller, useForm } from 'react-hook-form';
 
 import { Checkbox, TextInput } from '@/components/Input';
 import { ModalForm } from '@/components/Modal';
 import { HelpTopic } from '@/features/help/models/helpTopic';
-import { IOperation, OperationID } from '@/features/oss/models/oss';
+import { IOperation, IOperationSchema } from '@/features/oss/models/oss';
 import { useDialogsStore } from '@/stores/dialogs';
 
+import { IOperationDeleteDTO, IOperationPosition, schemaOperationDelete } from '../backend/api';
+import { useOperationDelete } from '../backend/useOperationDelete';
+
 export interface DlgDeleteOperationProps {
+  oss: IOperationSchema;
   target: IOperation;
-  onSubmit: (targetID: OperationID, keepConstituents: boolean, deleteSchema: boolean) => void;
+  positions: IOperationPosition[];
 }
 
 function DlgDeleteOperation() {
-  const { target, onSubmit } = useDialogsStore(state => state.props as DlgDeleteOperationProps);
-  const [keepConstituents, setKeepConstituents] = useState(false);
-  const [deleteSchema, setDeleteSchema] = useState(false);
+  const { oss, target, positions } = useDialogsStore(state => state.props as DlgDeleteOperationProps);
+  const { operationDelete } = useOperationDelete();
 
-  function handleSubmit() {
-    onSubmit(target.id, keepConstituents, deleteSchema);
-    return true;
+  const { handleSubmit, control } = useForm<IOperationDeleteDTO>({
+    resolver: zodResolver(schemaOperationDelete),
+    defaultValues: {
+      target: target.id,
+      positions: positions,
+      keep_constituents: false,
+      delete_schema: false
+    }
+  });
+
+  function onSubmit(data: IOperationDeleteDTO) {
+    operationDelete({ itemID: oss.id, data: data });
   }
 
   return (
@@ -29,29 +42,41 @@ function DlgDeleteOperation() {
       overflowVisible
       header='Удаление операции'
       submitText='Подтвердить удаление'
-      canSubmit={true}
-      onSubmit={handleSubmit}
+      onSubmit={event => void handleSubmit(onSubmit)(event)}
       className={clsx('w-[35rem]', 'pb-3 px-6 cc-column', 'select-none')}
       helpTopic={HelpTopic.CC_PROPAGATION}
     >
       <TextInput disabled dense noBorder id='operation_alias' label='Операция' value={target.alias} />
-      <Checkbox
-        label='Сохранить наследованные конституенты'
-        titleHtml='Наследованные конституенты <br/>превратятся в дописанные'
-        value={keepConstituents}
-        onChange={setKeepConstituents}
-        disabled={target.result === null}
+      <Controller
+        control={control}
+        name='keep_constituents'
+        render={({ field }) => (
+          <Checkbox
+            label='Сохранить наследованные конституенты'
+            titleHtml='Наследованные конституенты <br/>превратятся в дописанные'
+            value={field.value}
+            onChange={field.onChange}
+            disabled={target.result === null}
+          />
+        )}
       />
-      <Checkbox
-        label='Удалить схему'
-        titleHtml={
-          !target.is_owned || target.result === undefined
-            ? 'Привязанную схему нельзя удалить'
-            : 'Удалить схему вместе с операцией'
-        }
-        value={deleteSchema}
-        onChange={setDeleteSchema}
-        disabled={!target.is_owned || target.result === null}
+
+      <Controller
+        control={control}
+        name='delete_schema'
+        render={({ field }) => (
+          <Checkbox
+            label='Удалить схему'
+            titleHtml={
+              !target.is_owned || target.result === undefined
+                ? 'Привязанную схему нельзя удалить'
+                : 'Удалить схему вместе с операцией'
+            }
+            value={field.value}
+            onChange={field.onChange}
+            disabled={!target.is_owned || target.result === null}
+          />
+        )}
       />
     </ModalForm>
   );
diff --git a/rsconcept/frontend/src/features/oss/pages/OssPage/EditorOssCard/FormOSS.tsx b/rsconcept/frontend/src/features/oss/pages/OssPage/EditorOssCard/FormOSS.tsx
index 1f9c0a17..2d6e2ab5 100644
--- a/rsconcept/frontend/src/features/oss/pages/OssPage/EditorOssCard/FormOSS.tsx
+++ b/rsconcept/frontend/src/features/oss/pages/OssPage/EditorOssCard/FormOSS.tsx
@@ -9,7 +9,7 @@ import { useForm, useWatch } from 'react-hook-form';
 import { SubmitButton } from '@/components/Control';
 import { IconSave } from '@/components/Icons';
 import { TextArea, TextInput } from '@/components/Input';
-import { IUpdateLibraryItemDTO, UpdateLibraryItemSchema } from '@/features/library/backend/api';
+import { IUpdateLibraryItemDTO, schemaUpdateLibraryItem } from '@/features/library/backend/api';
 import { useUpdateItem } from '@/features/library/backend/useUpdateItem';
 import { LibraryItemType } from '@/features/library/models/library';
 import ToolbarItemAccess from '@/features/rsform/pages/RSFormPage/EditorRSFormCard/ToolbarItemAccess';
@@ -33,7 +33,7 @@ function FormOSS() {
     reset,
     formState: { isDirty, errors }
   } = useForm<IUpdateLibraryItemDTO>({
-    resolver: zodResolver(UpdateLibraryItemSchema),
+    resolver: zodResolver(schemaUpdateLibraryItem),
     defaultValues: {
       id: controller.schema.id,
       item_type: LibraryItemType.RSFORM,
diff --git a/rsconcept/frontend/src/features/oss/pages/OssPage/OssEditContext.tsx b/rsconcept/frontend/src/features/oss/pages/OssPage/OssEditContext.tsx
index 4cbfe463..264c6f36 100644
--- a/rsconcept/frontend/src/features/oss/pages/OssPage/OssEditContext.tsx
+++ b/rsconcept/frontend/src/features/oss/pages/OssPage/OssEditContext.tsx
@@ -17,7 +17,6 @@ import { prompts } from '@/utils/labels';
 
 import { IOperationPosition } from '../../backend/api';
 import { useOperationCreate } from '../../backend/useOperationCreate';
-import { useOperationDelete } from '../../backend/useOperationDelete';
 import { useOperationUpdate } from '../../backend/useOperationUpdate';
 import { useOssSuspense } from '../../backend/useOSS';
 import { useRelocateConstituents } from '../../backend/useRelocateConstituents';
@@ -103,7 +102,6 @@ export const OssEditState = ({ itemID, children }: React.PropsWithChildren<OssEd
   const { deleteItem } = useDeleteItem();
   const { updatePositions } = useUpdatePositions();
   const { operationCreate } = useOperationCreate();
-  const { operationDelete } = useOperationDelete();
   const { operationUpdate } = useOperationUpdate();
   const { relocateConstituents } = useRelocateConstituents();
 
@@ -199,18 +197,9 @@ export const OssEditState = ({ itemID, children }: React.PropsWithChildren<OssEd
       return;
     }
     showDeleteOperation({
-      target: operation,
-      onSubmit: (targetID, keepConstituents, deleteSchema) => {
-        operationDelete({
-          itemID: schema.id,
-          data: {
-            target: targetID,
-            positions: positions,
-            keep_constituents: keepConstituents,
-            delete_schema: deleteSchema
-          }
-        });
-      }
+      oss: schema,
+      positions: positions,
+      target: operation
     });
   }
 
diff --git a/rsconcept/frontend/src/features/rsform/backend/api.ts b/rsconcept/frontend/src/features/rsform/backend/api.ts
index c4189373..c4e174dd 100644
--- a/rsconcept/frontend/src/features/rsform/backend/api.ts
+++ b/rsconcept/frontend/src/features/rsform/backend/api.ts
@@ -81,7 +81,7 @@ export interface ICstCreatedResponse {
 /**
  * Represents data, used in updating persistent attributes in {@link IConstituenta}.
  */
-export const CstUpdateSchema = z.object({
+export const schemaCstUpdate = z.object({
   target: z.number(),
   item_data: z.object({
     convention: z.string().optional(),
@@ -95,12 +95,12 @@ export const CstUpdateSchema = z.object({
 /**
  * Represents data, used in updating persistent attributes in {@link IConstituenta}.
  */
-export type ICstUpdateDTO = z.infer<typeof CstUpdateSchema>;
+export type ICstUpdateDTO = z.infer<typeof schemaCstUpdate>;
 
 /**
  * Represents data, used in renaming {@link IConstituenta}.
  */
-export const CstRenameSchema = z.object({
+export const schemaCstRename = z.object({
   target: z.number(),
   alias: z.string(),
   cst_type: z.nativeEnum(CstType)
@@ -109,7 +109,7 @@ export const CstRenameSchema = z.object({
 /**
  * Represents data, used in renaming {@link IConstituenta}.
  */
-export type ICstRenameDTO = z.infer<typeof CstRenameSchema>;
+export type ICstRenameDTO = z.infer<typeof schemaCstRename>;
 
 /**
  * Represents data, used in ordering a list of {@link IConstituenta}.
diff --git a/rsconcept/frontend/src/features/rsform/dialogs/DlgCloneLibraryItem.tsx b/rsconcept/frontend/src/features/rsform/dialogs/DlgCloneLibraryItem.tsx
index da4cdb50..fedf22d4 100644
--- a/rsconcept/frontend/src/features/rsform/dialogs/DlgCloneLibraryItem.tsx
+++ b/rsconcept/frontend/src/features/rsform/dialogs/DlgCloneLibraryItem.tsx
@@ -10,7 +10,7 @@ import { VisibilityIcon } from '@/components/DomainIcons';
 import { Checkbox, Label, TextArea, TextInput } from '@/components/Input';
 import { ModalForm } from '@/components/Modal';
 import { useAuthSuspense } from '@/features/auth/backend/useAuth';
-import { CloneLibraryItemSchema, ICloneLibraryItemDTO } from '@/features/library/backend/api';
+import { schemaCloneLibraryItem, ICloneLibraryItemDTO } from '@/features/library/backend/api';
 import { useCloneItem } from '@/features/library/backend/useCloneItem';
 import SelectAccessPolicy from '@/features/library/components/SelectAccessPolicy';
 import SelectLocationContext from '@/features/library/components/SelectLocationContext';
@@ -42,7 +42,7 @@ function DlgCloneLibraryItem() {
     control,
     formState: { errors, isValid }
   } = useForm<ICloneLibraryItemDTO>({
-    resolver: zodResolver(CloneLibraryItemSchema),
+    resolver: zodResolver(schemaCloneLibraryItem),
     defaultValues: {
       id: base.id,
       item_type: base.item_type,
diff --git a/rsconcept/frontend/src/features/rsform/dialogs/DlgCreateVersion.tsx b/rsconcept/frontend/src/features/rsform/dialogs/DlgCreateVersion.tsx
index c0fc5b53..189fef45 100644
--- a/rsconcept/frontend/src/features/rsform/dialogs/DlgCreateVersion.tsx
+++ b/rsconcept/frontend/src/features/rsform/dialogs/DlgCreateVersion.tsx
@@ -6,7 +6,7 @@ import { Controller, useForm, useWatch } from 'react-hook-form';
 
 import { Checkbox, TextArea, TextInput } from '@/components/Input';
 import { ModalForm } from '@/components/Modal';
-import { IVersionCreateDTO, VersionCreateSchema } from '@/features/library/backend/api';
+import { IVersionCreateDTO, schemaVersionCreate } from '@/features/library/backend/api';
 import { useVersionCreate } from '@/features/library/backend/useVersionCreate';
 import { IVersionInfo, LibraryItemID, VersionID } from '@/features/library/models/library';
 import { nextVersion } from '@/features/library/models/libraryAPI';
@@ -34,7 +34,7 @@ function DlgCreateVersion() {
   const { versionCreate } = useVersionCreate();
 
   const { register, handleSubmit, control } = useForm<IVersionCreateDTO>({
-    resolver: zodResolver(VersionCreateSchema),
+    resolver: zodResolver(schemaVersionCreate),
     defaultValues: {
       version: versions.length > 0 ? nextVersion(versions[0].version) : '1.0.0',
       description: '',
diff --git a/rsconcept/frontend/src/features/rsform/dialogs/DlgDeleteCst/DlgDeleteCst.tsx b/rsconcept/frontend/src/features/rsform/dialogs/DlgDeleteCst/DlgDeleteCst.tsx
index 84ab6aff..f5516004 100644
--- a/rsconcept/frontend/src/features/rsform/dialogs/DlgDeleteCst/DlgDeleteCst.tsx
+++ b/rsconcept/frontend/src/features/rsform/dialogs/DlgDeleteCst/DlgDeleteCst.tsx
@@ -37,7 +37,6 @@ function DlgDeleteCst() {
 
   return (
     <ModalForm
-      canSubmit
       header='Удаление конституент'
       submitText={expandOut ? 'Удалить с зависимыми' : 'Удалить'}
       onSubmit={handleSubmit}
diff --git a/rsconcept/frontend/src/features/rsform/dialogs/DlgEditEditors/DlgEditEditors.tsx b/rsconcept/frontend/src/features/rsform/dialogs/DlgEditEditors/DlgEditEditors.tsx
index 6a76fa05..13f2e113 100644
--- a/rsconcept/frontend/src/features/rsform/dialogs/DlgEditEditors/DlgEditEditors.tsx
+++ b/rsconcept/frontend/src/features/rsform/dialogs/DlgEditEditors/DlgEditEditors.tsx
@@ -39,7 +39,6 @@ function DlgEditEditors() {
 
   return (
     <ModalForm
-      canSubmit
       header='Список редакторов'
       submitText='Сохранить список'
       className='flex flex-col w-[35rem] px-6 gap-3 pb-6'
diff --git a/rsconcept/frontend/src/features/rsform/dialogs/DlgEditVersions/DlgEditVersions.tsx b/rsconcept/frontend/src/features/rsform/dialogs/DlgEditVersions/DlgEditVersions.tsx
index ae1d8081..005974d0 100644
--- a/rsconcept/frontend/src/features/rsform/dialogs/DlgEditVersions/DlgEditVersions.tsx
+++ b/rsconcept/frontend/src/features/rsform/dialogs/DlgEditVersions/DlgEditVersions.tsx
@@ -9,7 +9,7 @@ import { MiniButton } from '@/components/Control';
 import { IconReset, IconSave } from '@/components/Icons';
 import { TextArea, TextInput } from '@/components/Input';
 import { ModalView } from '@/components/Modal';
-import { IVersionUpdateDTO, VersionUpdateSchema } from '@/features/library/backend/api';
+import { IVersionUpdateDTO, schemaVersionUpdate } from '@/features/library/backend/api';
 import { useMutatingLibrary } from '@/features/library/backend/useMutatingLibrary';
 import { useVersionDelete } from '@/features/library/backend/useVersionDelete';
 import { useVersionUpdate } from '@/features/library/backend/useVersionUpdate';
@@ -40,7 +40,7 @@ function DlgEditVersions() {
     reset,
     formState: { isDirty, errors: formErrors }
   } = useForm<IVersionUpdateDTO>({
-    resolver: zodResolver(VersionUpdateSchema),
+    resolver: zodResolver(schemaVersionUpdate),
     defaultValues: {
       id: schema.versions[0].id,
       version: schema.versions[0].version,
diff --git a/rsconcept/frontend/src/features/rsform/dialogs/DlgEditWordForms/DlgEditWordForms.tsx b/rsconcept/frontend/src/features/rsform/dialogs/DlgEditWordForms/DlgEditWordForms.tsx
index 4641f971..4d901b32 100644
--- a/rsconcept/frontend/src/features/rsform/dialogs/DlgEditWordForms/DlgEditWordForms.tsx
+++ b/rsconcept/frontend/src/features/rsform/dialogs/DlgEditWordForms/DlgEditWordForms.tsx
@@ -121,7 +121,6 @@ function DlgEditWordForms() {
 
   return (
     <ModalForm
-      canSubmit
       header='Редактирование словоформ'
       submitText='Сохранить'
       onSubmit={handleSubmit}
diff --git a/rsconcept/frontend/src/features/rsform/dialogs/DlgGraphParams.tsx b/rsconcept/frontend/src/features/rsform/dialogs/DlgGraphParams.tsx
index bfe8dda2..279e204c 100644
--- a/rsconcept/frontend/src/features/rsform/dialogs/DlgGraphParams.tsx
+++ b/rsconcept/frontend/src/features/rsform/dialogs/DlgGraphParams.tsx
@@ -23,7 +23,6 @@ function DlgGraphParams() {
 
   return (
     <ModalForm
-      canSubmit
       header='Настройки графа термов'
       onSubmit={event => void handleSubmit(onSubmit)(event)}
       submitText='Применить'
diff --git a/rsconcept/frontend/src/features/rsform/dialogs/DlgRenameCst.tsx b/rsconcept/frontend/src/features/rsform/dialogs/DlgRenameCst.tsx
index 22251714..e771ccf9 100644
--- a/rsconcept/frontend/src/features/rsform/dialogs/DlgRenameCst.tsx
+++ b/rsconcept/frontend/src/features/rsform/dialogs/DlgRenameCst.tsx
@@ -9,7 +9,7 @@ import { ModalForm } from '@/components/Modal';
 import { HelpTopic } from '@/features/help/models/helpTopic';
 import { useDialogsStore } from '@/stores/dialogs';
 
-import { CstRenameSchema, ICstRenameDTO } from '../backend/api';
+import { ICstRenameDTO, schemaCstRename } from '../backend/api';
 import { useCstRename } from '../backend/useCstRename';
 import { SelectCstType } from '../components/SelectCstType';
 import { CstType, IConstituenta, IRSForm } from '../models/rsform';
@@ -25,7 +25,7 @@ function DlgRenameCst() {
   const { cstRename } = useCstRename();
 
   const { register, setValue, handleSubmit, control } = useForm<ICstRenameDTO>({
-    resolver: zodResolver(CstRenameSchema),
+    resolver: zodResolver(schemaCstRename),
     defaultValues: {
       target: target.id,
       alias: target.alias,
diff --git a/rsconcept/frontend/src/features/rsform/pages/RSFormPage/EditorConstituenta/FormConstituenta.tsx b/rsconcept/frontend/src/features/rsform/pages/RSFormPage/EditorConstituenta/FormConstituenta.tsx
index 3f55f7ac..a8b871cb 100644
--- a/rsconcept/frontend/src/features/rsform/pages/RSFormPage/EditorConstituenta/FormConstituenta.tsx
+++ b/rsconcept/frontend/src/features/rsform/pages/RSFormPage/EditorConstituenta/FormConstituenta.tsx
@@ -16,7 +16,7 @@ import { useDialogsStore } from '@/stores/dialogs';
 import { useModificationStore } from '@/stores/modification';
 import { errors, labelCstTypification, labelTypification } from '@/utils/labels';
 
-import { CstUpdateSchema, ICstUpdateDTO } from '../../../backend/api';
+import { ICstUpdateDTO, schemaCstUpdate } from '../../../backend/api';
 import { useCstUpdate } from '../../../backend/useCstUpdate';
 import { useMutatingRSForm } from '../../../backend/useMutatingRSForm';
 import RefsInput from '../../../components/RefsInput';
@@ -47,7 +47,7 @@ function FormConstituenta({ disabled, id, toggleReset, schema, activeCst, onOpen
     control,
     reset,
     formState: { isDirty }
-  } = useForm<ICstUpdateDTO>({ resolver: zodResolver(CstUpdateSchema) });
+  } = useForm<ICstUpdateDTO>({ resolver: zodResolver(schemaCstUpdate) });
 
   const [localParse, setLocalParse] = useState<IExpressionParse | undefined>(undefined);
 
diff --git a/rsconcept/frontend/src/features/rsform/pages/RSFormPage/EditorRSFormCard/FormRSForm.tsx b/rsconcept/frontend/src/features/rsform/pages/RSFormPage/EditorRSFormCard/FormRSForm.tsx
index 6f2ceb1f..d9e0fe68 100644
--- a/rsconcept/frontend/src/features/rsform/pages/RSFormPage/EditorRSFormCard/FormRSForm.tsx
+++ b/rsconcept/frontend/src/features/rsform/pages/RSFormPage/EditorRSFormCard/FormRSForm.tsx
@@ -10,7 +10,7 @@ import { urls, useConceptNavigation } from '@/app';
 import { SubmitButton } from '@/components/Control';
 import { IconSave } from '@/components/Icons';
 import { Label, TextArea, TextInput } from '@/components/Input';
-import { IUpdateLibraryItemDTO, UpdateLibraryItemSchema } from '@/features/library/backend/api';
+import { IUpdateLibraryItemDTO, schemaUpdateLibraryItem } from '@/features/library/backend/api';
 import { useUpdateItem } from '@/features/library/backend/useUpdateItem';
 import { LibraryItemType, VersionID } from '@/features/library/models/library';
 import { useModificationStore } from '@/stores/modification';
@@ -37,7 +37,7 @@ function FormRSForm() {
     reset,
     formState: { isDirty, errors }
   } = useForm<IUpdateLibraryItemDTO>({
-    resolver: zodResolver(UpdateLibraryItemSchema),
+    resolver: zodResolver(schemaUpdateLibraryItem),
     defaultValues: {
       id: controller.schema.id,
       item_type: LibraryItemType.RSFORM,
diff --git a/rsconcept/frontend/src/features/users/backend/api.ts b/rsconcept/frontend/src/features/users/backend/api.ts
index 05ef30a1..9c43e90c 100644
--- a/rsconcept/frontend/src/features/users/backend/api.ts
+++ b/rsconcept/frontend/src/features/users/backend/api.ts
@@ -11,7 +11,7 @@ import { IUserInfo, IUserProfile } from '../models/user';
 /**
  * Represents signup data, used to create new users.
  */
-export const UserSignupSchema = z
+export const schemaUserSignup = z
   .object({
     username: z.string().nonempty(errors.requiredField).regex(RegExp(patterns.login), errors.loginFormat),
     email: z.string().email(errors.emailField),
@@ -26,12 +26,12 @@ export const UserSignupSchema = z
 /**
  * Represents signup data, used to create new users.
  */
-export type IUserSignupDTO = z.infer<typeof UserSignupSchema>;
+export type IUserSignupDTO = z.infer<typeof schemaUserSignup>;
 
 /**
  * Represents user data, intended to update user profile in persistent storage.
  */
-export const UpdateProfileSchema = z.object({
+export const schemaUpdateProfile = z.object({
   email: z.string().email(errors.emailField),
   first_name: z.string(),
   last_name: z.string()
@@ -40,7 +40,7 @@ export const UpdateProfileSchema = z.object({
 /**
  * Represents user data, intended to update user profile in persistent storage.
  */
-export type IUpdateProfileDTO = z.infer<typeof UpdateProfileSchema>;
+export type IUpdateProfileDTO = z.infer<typeof schemaUpdateProfile>;
 
 export const usersApi = {
   baseKey: 'users',
diff --git a/rsconcept/frontend/src/features/users/pages/RegisterPage/FormSignup.tsx b/rsconcept/frontend/src/features/users/pages/RegisterPage/FormSignup.tsx
index 455c7195..75ca99a4 100644
--- a/rsconcept/frontend/src/features/users/pages/RegisterPage/FormSignup.tsx
+++ b/rsconcept/frontend/src/features/users/pages/RegisterPage/FormSignup.tsx
@@ -16,7 +16,7 @@ import { PrettyJson } from '@/components/View';
 import { HelpTopic } from '@/features/help/models/helpTopic';
 import { globals, patterns } from '@/utils/constants';
 
-import { IUserSignupDTO, UserSignupSchema } from '../../backend/api';
+import { IUserSignupDTO, schemaUserSignup } from '../../backend/api';
 import { useSignup } from '../../backend/useSignup';
 
 function FormSignup() {
@@ -31,7 +31,7 @@ function FormSignup() {
     clearErrors,
     formState: { errors, isDirty }
   } = useForm<IUserSignupDTO>({
-    resolver: zodResolver(UserSignupSchema)
+    resolver: zodResolver(schemaUserSignup)
   });
 
   useBlockNavigation(isDirty);
diff --git a/rsconcept/frontend/src/features/users/pages/UserProfilePage/EditorPassword.tsx b/rsconcept/frontend/src/features/users/pages/UserProfilePage/EditorPassword.tsx
index bc8ce92d..8e3c3f9b 100644
--- a/rsconcept/frontend/src/features/users/pages/UserProfilePage/EditorPassword.tsx
+++ b/rsconcept/frontend/src/features/users/pages/UserProfilePage/EditorPassword.tsx
@@ -10,7 +10,7 @@ import { FlexColumn } from '@/components/Container';
 import { SubmitButton } from '@/components/Control';
 import { ErrorData } from '@/components/InfoError';
 import { TextInput } from '@/components/Input';
-import { ChangePasswordSchema, IChangePasswordDTO } from '@/features/auth/backend/api';
+import { IChangePasswordDTO, schemaChangePassword } from '@/features/auth/backend/api';
 import { useChangePassword } from '@/features/auth/backend/useChangePassword';
 
 function EditorPassword() {
@@ -22,7 +22,7 @@ function EditorPassword() {
     clearErrors,
     formState: { errors }
   } = useForm<IChangePasswordDTO>({
-    resolver: zodResolver(ChangePasswordSchema)
+    resolver: zodResolver(schemaChangePassword)
   });
 
   function resetErrors() {
diff --git a/rsconcept/frontend/src/features/users/pages/UserProfilePage/EditorProfile.tsx b/rsconcept/frontend/src/features/users/pages/UserProfilePage/EditorProfile.tsx
index f772ddf7..d58c8be4 100644
--- a/rsconcept/frontend/src/features/users/pages/UserProfilePage/EditorProfile.tsx
+++ b/rsconcept/frontend/src/features/users/pages/UserProfilePage/EditorProfile.tsx
@@ -9,7 +9,7 @@ import { SubmitButton } from '@/components/Control';
 import { ErrorData } from '@/components/InfoError';
 import { TextInput } from '@/components/Input';
 
-import { IUpdateProfileDTO, UpdateProfileSchema } from '../../backend/api';
+import { IUpdateProfileDTO, schemaUpdateProfile } from '../../backend/api';
 import { useProfileSuspense } from '../../backend/useProfile';
 import { useUpdateProfile } from '../../backend/useUpdateProfile';
 
@@ -24,7 +24,7 @@ function EditorProfile() {
     reset: resetForm,
     formState: { errors, isDirty }
   } = useForm<IUpdateProfileDTO>({
-    resolver: zodResolver(UpdateProfileSchema),
+    resolver: zodResolver(schemaUpdateProfile),
     defaultValues: {
       first_name: profile.first_name,
       last_name: profile.last_name,