diff --git a/rsconcept/frontend/src/features/ai/dialogs/dlg-create-prompt-template.tsx b/rsconcept/frontend/src/features/ai/dialogs/dlg-create-prompt-template.tsx
index 65fa4dd0..99ddf642 100644
--- a/rsconcept/frontend/src/features/ai/dialogs/dlg-create-prompt-template.tsx
+++ b/rsconcept/frontend/src/features/ai/dialogs/dlg-create-prompt-template.tsx
@@ -41,7 +41,7 @@ export function DlgCreatePromptTemplate() {
     mode: 'onChange'
   });
   const label = useWatch({ control, name: 'label' });
-  const isValid = !!label && !templates.find(template => template.label === label);
+  const canSubmit = !!label && !templates.find(template => template.label === label);
 
   function onSubmit(data: ICreatePromptTemplateDTO) {
     void createPromptTemplate(data).then(onCreate);
@@ -51,7 +51,7 @@ export function DlgCreatePromptTemplate() {
     <ModalForm
       header='Создание шаблона'
       submitText='Создать'
-      canSubmit={isValid}
+      canSubmit={canSubmit}
       onSubmit={event => void handleSubmit(onSubmit)(event)}
       submitInvalidTooltip='Введите уникальное название шаблона'
       className='cc-column w-140 max-h-120 py-2 px-6'
diff --git a/rsconcept/frontend/src/features/library/dialogs/dlg-edit-editors/dlg-edit-editors.tsx b/rsconcept/frontend/src/features/library/dialogs/dlg-edit-editors/dlg-edit-editors.tsx
index 3fe46911..78f8f105 100644
--- a/rsconcept/frontend/src/features/library/dialogs/dlg-edit-editors/dlg-edit-editors.tsx
+++ b/rsconcept/frontend/src/features/library/dialogs/dlg-edit-editors/dlg-edit-editors.tsx
@@ -26,7 +26,8 @@ export function DlgEditEditors() {
   const [selected, setSelected] = useState<number[]>(initial);
   const { users } = useUsers();
 
-  function handleSubmit() {
+  function handleSubmit(event: React.FormEvent<HTMLFormElement>) {
+    event.preventDefault();
     void setEditors({ itemID: itemID, editors: selected });
   }
 
diff --git a/rsconcept/frontend/src/features/oss/backend/api.ts b/rsconcept/frontend/src/features/oss/backend/api.ts
index 861edc09..0918cc28 100644
--- a/rsconcept/frontend/src/features/oss/backend/api.ts
+++ b/rsconcept/frontend/src/features/oss/backend/api.ts
@@ -42,13 +42,12 @@ export const ossApi = {
       queryKey: KEYS.composite.ossItem({ itemID }),
       staleTime: DELAYS.staleShort,
       queryFn: meta =>
-        !itemID
-          ? undefined
-          : axiosGet<IOperationSchemaDTO>({
-              schema: schemaOperationSchema,
-              endpoint: `/api/oss/${itemID}/details`,
-              options: { signal: meta.signal }
-            })
+        axiosGet<IOperationSchemaDTO>({
+          schema: schemaOperationSchema,
+          endpoint: `/api/oss/${itemID}/details`,
+          options: { signal: meta.signal }
+        }),
+      enabled: !!itemID
     });
   },
 
diff --git a/rsconcept/frontend/src/features/oss/backend/use-oss.ts b/rsconcept/frontend/src/features/oss/backend/use-oss.ts
index 2b1fe649..bb0c1925 100644
--- a/rsconcept/frontend/src/features/oss/backend/use-oss.ts
+++ b/rsconcept/frontend/src/features/oss/backend/use-oss.ts
@@ -18,7 +18,7 @@ export function useOssSuspense({ itemID }: { itemID: number }) {
   const { data } = useSuspenseQuery({
     ...ossApi.getOssQueryOptions({ itemID })
   });
-  const schema = new OssLoader(data!).produceOSS();
+  const schema = new OssLoader(data).produceOSS();
   return { schema };
 }
 
diff --git a/rsconcept/frontend/src/features/oss/dialogs/dlg-create-block/dlg-create-block.tsx b/rsconcept/frontend/src/features/oss/dialogs/dlg-create-block/dlg-create-block.tsx
index 7a81ae0c..4ba581ed 100644
--- a/rsconcept/frontend/src/features/oss/dialogs/dlg-create-block/dlg-create-block.tsx
+++ b/rsconcept/frontend/src/features/oss/dialogs/dlg-create-block/dlg-create-block.tsx
@@ -77,7 +77,7 @@ export function DlgCreateBlock() {
   const children_blocks = useWatch({ control: methods.control, name: 'children_blocks' });
   const children_operations = useWatch({ control: methods.control, name: 'children_operations' });
   const [activeTab, setActiveTab] = useState<TabID>(TabID.CARD);
-  const isValid = !!title && !manager.oss.blocks.some(block => block.title === title);
+  const canSubmit = methods.formState.isValid && !!title && !manager.oss.blocks.some(block => block.title === title);
 
   function onSubmit(data: ICreateBlockDTO) {
     data.position = manager.newBlockPosition(data);
@@ -89,7 +89,7 @@ export function DlgCreateBlock() {
     <ModalForm
       header='Создание блока'
       submitText='Создать'
-      canSubmit={isValid}
+      canSubmit={canSubmit}
       onSubmit={event => void methods.handleSubmit(onSubmit)(event)}
       className='w-160 px-6 h-110'
       helpTopic={HelpTopic.CC_STRUCTURING}
diff --git a/rsconcept/frontend/src/features/oss/dialogs/dlg-create-schema.tsx b/rsconcept/frontend/src/features/oss/dialogs/dlg-create-schema.tsx
index 39700399..582ec16c 100644
--- a/rsconcept/frontend/src/features/oss/dialogs/dlg-create-schema.tsx
+++ b/rsconcept/frontend/src/features/oss/dialogs/dlg-create-schema.tsx
@@ -43,7 +43,7 @@ export function DlgCreateSchema() {
     control,
     register,
     handleSubmit,
-    formState: { errors }
+    formState: { errors, isValid }
   } = useForm<ICreateSchemaDTO>({
     resolver: zodResolver(schemaCreateSchema),
     defaultValues: {
@@ -64,7 +64,7 @@ export function DlgCreateSchema() {
     mode: 'onChange'
   });
   const alias = useWatch({ control: control, name: 'item_data.alias' });
-  const isValid = !!alias && !manager.oss.operations.some(operation => operation.alias === alias);
+  const canSubmit = isValid && !!alias && !manager.oss.operations.some(operation => operation.alias === alias);
 
   function onSubmit(data: ICreateSchemaDTO) {
     data.position = manager.newOperationPosition(data);
@@ -76,7 +76,7 @@ export function DlgCreateSchema() {
     <ModalForm
       header='Создание операции: Новая схема'
       submitText='Создать'
-      canSubmit={isValid}
+      canSubmit={canSubmit}
       onSubmit={event => void handleSubmit(onSubmit)(event)}
       className='w-180 px-6 pb-3 cc-column'
       helpTopic={HelpTopic.CC_OSS}
diff --git a/rsconcept/frontend/src/features/oss/dialogs/dlg-create-synthesis/dlg-create-synthesis.tsx b/rsconcept/frontend/src/features/oss/dialogs/dlg-create-synthesis/dlg-create-synthesis.tsx
index c596df73..34f0664f 100644
--- a/rsconcept/frontend/src/features/oss/dialogs/dlg-create-synthesis/dlg-create-synthesis.tsx
+++ b/rsconcept/frontend/src/features/oss/dialogs/dlg-create-synthesis/dlg-create-synthesis.tsx
@@ -73,7 +73,8 @@ export function DlgCreateSynthesis() {
   });
   const alias = useWatch({ control: methods.control, name: 'item_data.alias' });
   const [activeTab, setActiveTab] = useState<TabID>(TabID.ARGUMENTS);
-  const isValid = !!alias && !manager.oss.operations.some(operation => operation.alias === alias);
+  const canSubmit =
+    methods.formState.isValid && !!alias && !manager.oss.operations.some(operation => operation.alias === alias);
 
   function onSubmit(data: ICreateSynthesisDTO) {
     data.position = manager.newOperationPosition(data);
@@ -85,7 +86,7 @@ export function DlgCreateSynthesis() {
     <ModalForm
       header='Создание операции синтеза'
       submitText='Создать'
-      canSubmit={isValid}
+      canSubmit={canSubmit}
       onSubmit={event => void methods.handleSubmit(onSubmit)(event)}
       className='w-180 px-6 h-128'
       helpTopic={HelpTopic.CC_OSS}
diff --git a/rsconcept/frontend/src/features/oss/dialogs/dlg-edit-operation/dlg-edit-operation.tsx b/rsconcept/frontend/src/features/oss/dialogs/dlg-edit-operation/dlg-edit-operation.tsx
index e72ad07f..5bf84777 100644
--- a/rsconcept/frontend/src/features/oss/dialogs/dlg-edit-operation/dlg-edit-operation.tsx
+++ b/rsconcept/frontend/src/features/oss/dialogs/dlg-edit-operation/dlg-edit-operation.tsx
@@ -64,6 +64,7 @@ export function DlgEditOperation() {
     mode: 'onChange'
   });
   const [activeTab, setActiveTab] = useState<TabID>(TabID.CARD);
+  const canSubmit = methods.formState.isValid;
 
   function onSubmit(data: IUpdateOperationDTO) {
     if (data.item_data.parent !== target.parent) {
@@ -77,7 +78,7 @@ export function DlgEditOperation() {
     <ModalForm
       header='Редактирование операции'
       submitText='Сохранить'
-      canSubmit={methods.formState.isValid}
+      canSubmit={canSubmit}
       onSubmit={event => void methods.handleSubmit(onSubmit)(event)}
       className='w-160 px-6 h-128'
       helpTopic={HelpTopic.UI_SUBSTITUTIONS}
diff --git a/rsconcept/frontend/src/features/oss/dialogs/dlg-import-schema.tsx b/rsconcept/frontend/src/features/oss/dialogs/dlg-import-schema.tsx
index 4b48c237..984c1afb 100644
--- a/rsconcept/frontend/src/features/oss/dialogs/dlg-import-schema.tsx
+++ b/rsconcept/frontend/src/features/oss/dialogs/dlg-import-schema.tsx
@@ -49,7 +49,7 @@ export function DlgImportSchema() {
     register,
     handleSubmit,
     setValue,
-    formState: { errors }
+    formState: { errors, isValid }
   } = useForm<IImportSchemaDTO>({
     resolver: zodResolver(schemaImportSchema),
     defaultValues: {
@@ -73,7 +73,7 @@ export function DlgImportSchema() {
   });
   const alias = useWatch({ control: control, name: 'item_data.alias' });
   const clone_source = useWatch({ control: control, name: 'clone_source' });
-  const isValid = !!alias && !manager.oss.operations.some(operation => operation.alias === alias);
+  const canSubmit = isValid && !!alias && !manager.oss.operations.some(operation => operation.alias === alias);
 
   function onSubmit(data: IImportSchemaDTO) {
     data.position = manager.newOperationPosition(data);
@@ -100,7 +100,7 @@ export function DlgImportSchema() {
     <ModalForm
       header='Создание операции: Загрузка'
       submitText='Создать'
-      canSubmit={isValid}
+      canSubmit={canSubmit}
       onSubmit={event => void handleSubmit(onSubmit)(event)}
       className='w-180 px-6 pb-3 cc-column'
       helpTopic={HelpTopic.CC_OSS}
diff --git a/rsconcept/frontend/src/features/oss/dialogs/dlg-relocate-constituents.tsx b/rsconcept/frontend/src/features/oss/dialogs/dlg-relocate-constituents.tsx
index 9af74fe9..b61645c7 100644
--- a/rsconcept/frontend/src/features/oss/dialogs/dlg-relocate-constituents.tsx
+++ b/rsconcept/frontend/src/features/oss/dialogs/dlg-relocate-constituents.tsx
@@ -80,6 +80,7 @@ export function DlgRelocateConstituents() {
     .filter(item => !item.is_inherited && selected.includes(item.id))
     .map(item => item.id);
   const isValid = moveTarget.length > 0;
+  const canSubmit = isValid && destinationItem !== undefined;
 
   function toggleDirection() {
     setDirectionUp(prev => !prev);
@@ -118,7 +119,7 @@ export function DlgRelocateConstituents() {
     <ModalForm
       header='Перенос конституент'
       submitText='Переместить'
-      canSubmit={isValid && destinationItem !== undefined}
+      canSubmit={canSubmit}
       submitInvalidTooltip='Необходимо выбрать хотя бы одну собственную конституенту'
       onSubmit={event => void handleSubmit(onSubmit)(event)}
       className='w-160 h-132 py-3 px-6'
diff --git a/rsconcept/frontend/src/features/rsform/backend/api.ts b/rsconcept/frontend/src/features/rsform/backend/api.ts
index 8bc91a44..918cb08f 100644
--- a/rsconcept/frontend/src/features/rsform/backend/api.ts
+++ b/rsconcept/frontend/src/features/rsform/backend/api.ts
@@ -34,13 +34,12 @@ export const rsformsApi = {
       queryKey: KEYS.composite.rsItem({ itemID, version }),
       staleTime: DELAYS.staleShort,
       queryFn: meta =>
-        !itemID
-          ? undefined
-          : axiosGet<IRSFormDTO>({
-              schema: schemaRSForm,
-              endpoint: version ? `/api/library/${itemID}/versions/${version}` : `/api/rsforms/${itemID}/details`,
-              options: { signal: meta.signal }
-            })
+        axiosGet<IRSFormDTO>({
+          schema: schemaRSForm,
+          endpoint: version ? `/api/library/${itemID}/versions/${version}` : `/api/rsforms/${itemID}/details`,
+          options: { signal: meta.signal }
+        }),
+      enabled: !!itemID
     });
   },
 
diff --git a/rsconcept/frontend/src/features/rsform/backend/use-rsform.ts b/rsconcept/frontend/src/features/rsform/backend/use-rsform.ts
index c7ff9d40..352a0198 100644
--- a/rsconcept/frontend/src/features/rsform/backend/use-rsform.ts
+++ b/rsconcept/frontend/src/features/rsform/backend/use-rsform.ts
@@ -18,7 +18,7 @@ export function useRSFormSuspense({ itemID, version }: { itemID: number; version
   const { data } = useSuspenseQuery({
     ...rsformsApi.getRSFormQueryOptions({ itemID, version })
   });
-  const schema = new RSFormLoader(data!).produceRSForm();
+  const schema = new RSFormLoader(data).produceRSForm();
   return { schema };
 }
 
diff --git a/rsconcept/frontend/src/features/rsform/dialogs/dlg-create-cst/dlg-create-cst.tsx b/rsconcept/frontend/src/features/rsform/dialogs/dlg-create-cst/dlg-create-cst.tsx
index d6d79615..c79bea81 100644
--- a/rsconcept/frontend/src/features/rsform/dialogs/dlg-create-cst/dlg-create-cst.tsx
+++ b/rsconcept/frontend/src/features/rsform/dialogs/dlg-create-cst/dlg-create-cst.tsx
@@ -31,12 +31,13 @@ export function DlgCreateCst() {
   const { schema } = useRSFormSuspense({ itemID: schemaID });
 
   const methods = useForm<ICreateConstituentaDTO>({
+    mode: 'onChange',
     resolver: zodResolver(schemaCreateConstituenta),
     defaultValues: { ...initial }
   });
   const alias = useWatch({ control: methods.control, name: 'alias' });
   const cst_type = useWatch({ control: methods.control, name: 'cst_type' });
-  const isValid = validateNewAlias(alias, cst_type, schema);
+  const canSubmit = methods.formState.isValid && validateNewAlias(alias, cst_type, schema);
 
   function onSubmit(data: ICreateConstituentaDTO) {
     return cstCreate({ itemID: schema.id, data }).then(onCreate);
@@ -45,7 +46,7 @@ export function DlgCreateCst() {
   return (
     <ModalForm
       header='Создание конституенты'
-      canSubmit={isValid}
+      canSubmit={canSubmit}
       onSubmit={event => void methods.handleSubmit(onSubmit)(event)}
       submitInvalidTooltip={errorMsg.aliasInvalid}
       submitText='Создать'
diff --git a/rsconcept/frontend/src/features/rsform/dialogs/dlg-cst-template/dlg-cst-template.tsx b/rsconcept/frontend/src/features/rsform/dialogs/dlg-cst-template/dlg-cst-template.tsx
index 9b400521..b14d4186 100644
--- a/rsconcept/frontend/src/features/rsform/dialogs/dlg-cst-template/dlg-cst-template.tsx
+++ b/rsconcept/frontend/src/features/rsform/dialogs/dlg-cst-template/dlg-cst-template.tsx
@@ -13,14 +13,13 @@ import { useDialogsStore } from '@/stores/dialogs';
 import { type RO } from '@/utils/meta';
 
 import {
-  CstType,
   type IConstituentaBasicsDTO,
   type ICreateConstituentaDTO,
   schemaCreateConstituenta
 } from '../../backend/types';
 import { useCreateConstituenta } from '../../backend/use-create-constituenta';
 import { useRSFormSuspense } from '../../backend/use-rsform';
-import { generateAlias, validateNewAlias } from '../../models/rsform-api';
+import { validateNewAlias } from '../../models/rsform-api';
 import { FormCreateCst } from '../dlg-create-cst/form-create-cst';
 
 import { TabArguments } from './tab-arguments';
@@ -46,11 +45,13 @@ export function DlgCstTemplate() {
   const { schema } = useRSFormSuspense({ itemID: schemaID });
 
   const methods = useForm<ICreateConstituentaDTO>({
+    mode: 'onChange',
     resolver: zodResolver(schemaCreateConstituenta),
     defaultValues: {
-      cst_type: CstType.TERM,
       insert_after: insertAfter ?? null,
-      alias: generateAlias(CstType.TERM, schema),
+      crucial: false,
+      cst_type: undefined,
+      alias: '',
       convention: '',
       definition_formal: '',
       definition_raw: '',
@@ -60,7 +61,7 @@ export function DlgCstTemplate() {
   });
   const alias = useWatch({ control: methods.control, name: 'alias' });
   const cst_type = useWatch({ control: methods.control, name: 'cst_type' });
-  const isValid = validateNewAlias(alias, cst_type, schema);
+  const canSubmit = methods.formState.isValid && validateNewAlias(alias, cst_type, schema);
 
   const [activeTab, setActiveTab] = useState<TabID>(TabID.TEMPLATE);
 
@@ -73,7 +74,7 @@ export function DlgCstTemplate() {
       header='Создание конституенты из шаблона'
       submitText='Создать'
       className='w-172 h-140 px-6'
-      canSubmit={isValid}
+      canSubmit={canSubmit}
       onSubmit={event => void methods.handleSubmit(onSubmit)(event)}
       helpTopic={HelpTopic.RSL_TEMPLATES}
     >
diff --git a/rsconcept/frontend/src/features/rsform/dialogs/dlg-cst-template/tab-template.tsx b/rsconcept/frontend/src/features/rsform/dialogs/dlg-cst-template/tab-template.tsx
index ac82cbd1..2a2ac247 100644
--- a/rsconcept/frontend/src/features/rsform/dialogs/dlg-cst-template/tab-template.tsx
+++ b/rsconcept/frontend/src/features/rsform/dialogs/dlg-cst-template/tab-template.tsx
@@ -27,11 +27,6 @@ export function TabTemplate() {
   const { schema: templateSchema } = useRSForm({ itemID: templateID ?? undefined });
   const selectedTemplate = templates.find(item => item.id === templateID);
 
-  if (!templateID) {
-    onChangeTemplateID(templates[0].id);
-    return null;
-  }
-
   const filteredData = !templateSchema
     ? []
     : !filterCategory
diff --git a/rsconcept/frontend/src/features/rsform/dialogs/dlg-cst-template/template-state.tsx b/rsconcept/frontend/src/features/rsform/dialogs/dlg-cst-template/template-state.tsx
index 3fe04949..aa8a7165 100644
--- a/rsconcept/frontend/src/features/rsform/dialogs/dlg-cst-template/template-state.tsx
+++ b/rsconcept/frontend/src/features/rsform/dialogs/dlg-cst-template/template-state.tsx
@@ -3,6 +3,8 @@
 import { useState } from 'react';
 import { useFormContext } from 'react-hook-form';
 
+import { useTemplatesSuspense } from '@/features/library/backend/use-templates';
+
 import { useDialogsStore } from '@/stores/dialogs';
 
 import { type ICreateConstituentaDTO } from '../../backend/types';
@@ -18,8 +20,10 @@ import { TemplateContext } from './template-context';
 export const TemplateState = ({ children }: React.PropsWithChildren) => {
   const { schemaID } = useDialogsStore(state => state.props as DlgCstTemplateProps);
   const { schema } = useRSFormSuspense({ itemID: schemaID });
+  const { templates } = useTemplatesSuspense();
   const { setValue } = useFormContext<ICreateConstituentaDTO>();
-  const [templateID, setTemplateID] = useState<number | null>(null);
+
+  const [templateID, setTemplateID] = useState<number | null>(templates.length > 0 ? templates[0].id : null);
   const [args, setArguments] = useState<IArgumentValue[]>([]);
   const [prototype, setPrototype] = useState<IConstituenta | null>(null);
   const [filterCategory, setFilterCategory] = useState<IConstituenta | null>(null);
@@ -32,8 +36,8 @@ export const TemplateState = ({ children }: React.PropsWithChildren) => {
 
     const newType = inferTemplatedType(prototype.cst_type, newArgs);
     setValue('definition_formal', substituteTemplateArgs(prototype.definition_formal, newArgs));
-    setValue('cst_type', newType);
-    setValue('alias', generateAlias(newType, schema));
+    setValue('cst_type', newType, { shouldValidate: true });
+    setValue('alias', generateAlias(newType, schema), { shouldValidate: true });
   }
 
   function onChangePrototype(newPrototype: IConstituenta) {
@@ -45,8 +49,8 @@ export const TemplateState = ({ children }: React.PropsWithChildren) => {
         value: ''
       }))
     );
-    setValue('cst_type', newPrototype.cst_type);
-    setValue('alias', generateAlias(newPrototype.cst_type, schema));
+    setValue('cst_type', newPrototype.cst_type, { shouldValidate: true });
+    setValue('alias', generateAlias(newPrototype.cst_type, schema), { shouldValidate: true });
     setValue('definition_formal', newPrototype.definition_formal);
     setValue('term_raw', newPrototype.term_raw);
     setValue('definition_raw', newPrototype.definition_raw);
diff --git a/rsconcept/frontend/src/features/rsform/dialogs/dlg-delete-cst/dlg-delete-cst.tsx b/rsconcept/frontend/src/features/rsform/dialogs/dlg-delete-cst/dlg-delete-cst.tsx
index 00796e5b..032ec28d 100644
--- a/rsconcept/frontend/src/features/rsform/dialogs/dlg-delete-cst/dlg-delete-cst.tsx
+++ b/rsconcept/frontend/src/features/rsform/dialogs/dlg-delete-cst/dlg-delete-cst.tsx
@@ -31,7 +31,8 @@ export function DlgDeleteCst() {
     [selected, schema.inheritance]
   );
 
-  function handleSubmit() {
+  function handleSubmit(event: React.FormEvent<HTMLFormElement>) {
+    event.preventDefault();
     const deleted = expandOut ? selected.concat(expansion) : selected;
     void cstDelete({ itemID: schemaID, data: { items: deleted } }).then(() => afterDelete?.(schema, deleted));
   }
diff --git a/rsconcept/frontend/src/features/rsform/dialogs/dlg-edit-cst/dlg-edit-cst.tsx b/rsconcept/frontend/src/features/rsform/dialogs/dlg-edit-cst/dlg-edit-cst.tsx
index 234a9e6e..ca8c17f1 100644
--- a/rsconcept/frontend/src/features/rsform/dialogs/dlg-edit-cst/dlg-edit-cst.tsx
+++ b/rsconcept/frontend/src/features/rsform/dialogs/dlg-edit-cst/dlg-edit-cst.tsx
@@ -35,6 +35,7 @@ export function DlgEditCst() {
   const { findPredecessor } = useFindPredecessor();
 
   const methods = useForm<IUpdateConstituentaDTO>({
+    mode: 'onChange',
     resolver: zodResolver(schemaUpdateConstituenta),
     defaultValues: {
       target: target.id,
@@ -53,7 +54,9 @@ export function DlgEditCst() {
 
   const alias = useWatch({ control: methods.control, name: 'item_data.alias' })!;
   const cst_type = useWatch({ control: methods.control, name: 'item_data.cst_type' })!;
-  const isValid = (alias === target.alias && cst_type == target.cst_type) || validateNewAlias(alias, cst_type, schema);
+  const canSubmit =
+    (methods.formState.isValid && alias === target.alias && cst_type == target.cst_type) ||
+    validateNewAlias(alias, cst_type, schema);
 
   function onSubmit(data: IUpdateConstituentaDTO) {
     return updateConstituenta({ itemID: schema.id, data });
@@ -86,7 +89,7 @@ export function DlgEditCst() {
   return (
     <ModalForm
       header='Редактирование конституенты'
-      canSubmit={isValid}
+      canSubmit={canSubmit}
       onSubmit={event => void methods.handleSubmit(onSubmit)(event)}
       submitInvalidTooltip={errorMsg.aliasInvalid}
       submitText='Сохранить'
diff --git a/rsconcept/frontend/src/features/rsform/dialogs/dlg-edit-reference/dlg-edit-reference.tsx b/rsconcept/frontend/src/features/rsform/dialogs/dlg-edit-reference/dlg-edit-reference.tsx
index 212fa31a..4994c3a3 100644
--- a/rsconcept/frontend/src/features/rsform/dialogs/dlg-edit-reference/dlg-edit-reference.tsx
+++ b/rsconcept/frontend/src/features/rsform/dialogs/dlg-edit-reference/dlg-edit-reference.tsx
@@ -76,6 +76,8 @@ export function DlgEditReference() {
     mode: 'onChange'
   });
 
+  const canSubmit = methods.formState.isValid;
+
   function onSubmit(data: IEditReferenceState) {
     if (data.type === ReferenceType.ENTITY) {
       onSave({
@@ -113,7 +115,7 @@ export function DlgEditReference() {
     <ModalForm
       header='Редактирование ссылки'
       submitText='Сохранить ссылку'
-      canSubmit={methods.formState.isValid}
+      canSubmit={canSubmit}
       onCancel={onCancel}
       onSubmit={event => void methods.handleSubmit(onSubmit)(event)}
       className='w-160 px-6 h-128'
diff --git a/rsconcept/frontend/src/features/rsform/dialogs/dlg-edit-word-forms/dlg-edit-word-forms.tsx b/rsconcept/frontend/src/features/rsform/dialogs/dlg-edit-word-forms/dlg-edit-word-forms.tsx
index e0e1fac0..e8d6b518 100644
--- a/rsconcept/frontend/src/features/rsform/dialogs/dlg-edit-word-forms/dlg-edit-word-forms.tsx
+++ b/rsconcept/frontend/src/features/rsform/dialogs/dlg-edit-word-forms/dlg-edit-word-forms.tsx
@@ -49,7 +49,8 @@ export function DlgEditWordForms() {
     }))
   );
 
-  function handleSubmit() {
+  function handleSubmit(event: React.FormEvent<HTMLFormElement>) {
+    event.preventDefault();
     void cstUpdate({
       itemID: itemID,
       data: {
diff --git a/rsconcept/frontend/src/features/rsform/dialogs/dlg-inline-synthesis/dlg-inline-synthesis.tsx b/rsconcept/frontend/src/features/rsform/dialogs/dlg-inline-synthesis/dlg-inline-synthesis.tsx
index 482ead82..9bf4b5c7 100644
--- a/rsconcept/frontend/src/features/rsform/dialogs/dlg-inline-synthesis/dlg-inline-synthesis.tsx
+++ b/rsconcept/frontend/src/features/rsform/dialogs/dlg-inline-synthesis/dlg-inline-synthesis.tsx
@@ -46,6 +46,7 @@ export function DlgInlineSynthesis() {
     mode: 'onChange'
   });
   const sourceID = useWatch({ control: methods.control, name: 'source' });
+  const canSubmit = methods.formState.isValid && sourceID !== null;
 
   function onSubmit(data: IInlineSynthesisDTO) {
     return inlineSynthesis(data).then(onSynthesis);
@@ -56,7 +57,7 @@ export function DlgInlineSynthesis() {
       header='Импорт концептуальной схем'
       submitText='Добавить конституенты'
       className='w-160 h-132 px-6'
-      canSubmit={methods.formState.isValid && sourceID !== null}
+      canSubmit={canSubmit}
       onSubmit={event => void methods.handleSubmit(onSubmit)(event)}
     >
       <Tabs className='grid' selectedIndex={activeTab} onSelect={index => setActiveTab(index as TabID)}>
diff --git a/rsconcept/frontend/src/features/rsform/dialogs/dlg-rename-cst.tsx b/rsconcept/frontend/src/features/rsform/dialogs/dlg-rename-cst.tsx
index 913000f9..be65b5d1 100644
--- a/rsconcept/frontend/src/features/rsform/dialogs/dlg-rename-cst.tsx
+++ b/rsconcept/frontend/src/features/rsform/dialogs/dlg-rename-cst.tsx
@@ -26,7 +26,14 @@ export function DlgRenameCst() {
   const { schema } = useRSFormSuspense({ itemID: schemaID });
   const target = schema.cstByID.get(targetID)!;
 
-  const { register, setValue, handleSubmit, control } = useForm<IUpdateConstituentaDTO>({
+  const {
+    register,
+    setValue,
+    handleSubmit,
+    control,
+    formState: { isValid }
+  } = useForm<IUpdateConstituentaDTO>({
+    mode: 'onChange',
     resolver: zodResolver(schemaUpdateConstituenta),
     defaultValues: {
       target: targetID,
@@ -38,7 +45,7 @@ export function DlgRenameCst() {
   });
   const alias = useWatch({ control, name: 'item_data.alias' })!;
   const cst_type = useWatch({ control, name: 'item_data.cst_type' })!;
-  const isValid = alias !== target.alias && validateNewAlias(alias, cst_type, schema);
+  const canSubmit = isValid && alias !== target.alias && validateNewAlias(alias, cst_type, schema);
 
   function onSubmit(data: IUpdateConstituentaDTO) {
     return cstUpdate({ itemID: schemaID, data: data });
@@ -54,7 +61,7 @@ export function DlgRenameCst() {
       header='Переименование конституенты'
       submitText='Переименовать'
       submitInvalidTooltip='Введите незанятое имя, соответствующее типу'
-      canSubmit={isValid}
+      canSubmit={canSubmit}
       onSubmit={event => void handleSubmit(onSubmit)(event)}
       className='w-120 py-6 pr-3 pl-6 flex gap-3 justify-center items-center'
       helpTopic={HelpTopic.CC_CONSTITUENTA}