diff --git a/rsconcept/frontend/src/app/Footer.tsx b/rsconcept/frontend/src/app/Footer.tsx
index ed46361a..2b017f4b 100644
--- a/rsconcept/frontend/src/app/Footer.tsx
+++ b/rsconcept/frontend/src/app/Footer.tsx
@@ -1,7 +1,7 @@
 import clsx from 'clsx';
 
 import { useConceptOptions } from '@/context/OptionsContext';
-import { urls } from '@/utils/constants';
+import { external_urls } from '@/utils/constants';
 
 import TextURL from '../components/ui/TextURL';
 
@@ -22,7 +22,7 @@ function Footer() {
       <div className='flex gap-3'>
         <TextURL text='Библиотека' href='/library' color='clr-footer' />
         <TextURL text='Справка' href='/manuals' color='clr-footer' />
-        <TextURL text='Центр Концепт' href={urls.concept} color='clr-footer' />
+        <TextURL text='Центр Концепт' href={external_urls.concept} color='clr-footer' />
         <TextURL text='Экстеор' href='/manuals?topic=exteor' color='clr-footer' />
       </div>
       <div>
diff --git a/rsconcept/frontend/src/app/Navigation/Navigation.tsx b/rsconcept/frontend/src/app/Navigation/Navigation.tsx
index d5c60038..944789c1 100644
--- a/rsconcept/frontend/src/app/Navigation/Navigation.tsx
+++ b/rsconcept/frontend/src/app/Navigation/Navigation.tsx
@@ -8,6 +8,7 @@ import { useConceptNavigation } from '@/context/NavigationContext';
 import { useConceptOptions } from '@/context/OptionsContext';
 import { animateNavigation } from '@/styling/animations';
 
+import { urls } from '../urls';
 import Logo from './Logo';
 import NavigationButton from './NavigationButton';
 import ToggleNavigationButton from './ToggleNavigationButton';
@@ -17,10 +18,10 @@ function Navigation() {
   const router = useConceptNavigation();
   const { noNavigationAnimation } = useConceptOptions();
 
-  const navigateHome = () => router.push('/');
-  const navigateLibrary = () => router.push('/library');
-  const navigateHelp = () => router.push('/manuals');
-  const navigateCreateNew = () => router.push('/library/create');
+  const navigateHome = () => router.push(urls.home);
+  const navigateLibrary = () => router.push(urls.library);
+  const navigateHelp = () => router.push(urls.manuals);
+  const navigateCreateNew = () => router.push(urls.create_schema);
 
   return (
     <nav
diff --git a/rsconcept/frontend/src/app/Navigation/UserDropdown.tsx b/rsconcept/frontend/src/app/Navigation/UserDropdown.tsx
index 213ece41..5285855b 100644
--- a/rsconcept/frontend/src/app/Navigation/UserDropdown.tsx
+++ b/rsconcept/frontend/src/app/Navigation/UserDropdown.tsx
@@ -6,6 +6,8 @@ import { useAuth } from '@/context/AuthContext';
 import { useConceptNavigation } from '@/context/NavigationContext';
 import { useConceptOptions } from '@/context/OptionsContext';
 
+import { urls } from '../urls';
+
 interface UserDropdownProps {
   isOpen: boolean;
   hideDropdown: () => void;
@@ -18,12 +20,12 @@ function UserDropdown({ isOpen, hideDropdown }: UserDropdownProps) {
 
   function navigateProfile() {
     hideDropdown();
-    router.push('/profile');
+    router.push(urls.profile);
   }
 
   function logoutAndRedirect() {
     hideDropdown();
-    logout(() => router.push('/login/'));
+    logout(() => router.push(urls.login));
   }
 
   function handleToggleDarkMode() {
diff --git a/rsconcept/frontend/src/app/Navigation/UserMenu.tsx b/rsconcept/frontend/src/app/Navigation/UserMenu.tsx
index 736a0b3a..f940ae29 100644
--- a/rsconcept/frontend/src/app/Navigation/UserMenu.tsx
+++ b/rsconcept/frontend/src/app/Navigation/UserMenu.tsx
@@ -5,6 +5,7 @@ import { useAuth } from '@/context/AuthContext';
 import { useConceptNavigation } from '@/context/NavigationContext';
 import useDropdown from '@/hooks/useDropdown';
 
+import { urls } from '../urls';
 import NavigationButton from './NavigationButton';
 import UserDropdown from './UserDropdown';
 
@@ -13,7 +14,7 @@ function UserMenu() {
   const { user } = useAuth();
   const menu = useDropdown();
 
-  const navigateLogin = () => router.push('/login');
+  const navigateLogin = () => router.push(urls.login);
   return (
     <div ref={menu.ref} className='h-full'>
       {!user ? (
diff --git a/rsconcept/frontend/src/app/Router.tsx b/rsconcept/frontend/src/app/Router.tsx
index 503aeefe..a5eec380 100644
--- a/rsconcept/frontend/src/app/Router.tsx
+++ b/rsconcept/frontend/src/app/Router.tsx
@@ -13,6 +13,7 @@ import RSFormPage from '@/pages/RSFormPage';
 import UserProfilePage from '@/pages/UserProfilePage';
 
 import ApplicationLayout from './ApplicationLayout';
+import { routes } from './urls';
 
 export const Router = createBrowserRouter([
   {
@@ -25,40 +26,40 @@ export const Router = createBrowserRouter([
         element: <HomePage />
       },
       {
-        path: 'login',
+        path: routes.login,
         element: <LoginPage />
       },
       {
-        path: 'signup',
+        path: routes.signup,
         element: <RegisterPage />
       },
       {
-        path: 'restore-password',
-        element: <RestorePasswordPage />
-      },
-      {
-        path: 'password-change',
-        element: <PasswordChangePage />
-      },
-      {
-        path: 'profile',
+        path: routes.profile,
         element: <UserProfilePage />
       },
       {
-        path: 'manuals',
-        element: <ManualsPage />
+        path: routes.restore_password,
+        element: <RestorePasswordPage />
       },
       {
-        path: 'library',
+        path: routes.password_change,
+        element: <PasswordChangePage />
+      },
+      {
+        path: routes.library,
         element: <LibraryPage />
       },
       {
-        path: 'library/create',
+        path: routes.create_schema,
         element: <CreateRSFormPage />
       },
       {
-        path: 'rsforms/:id',
+        path: `${routes.rsforms}/:id`,
         element: <RSFormPage />
+      },
+      {
+        path: routes.manuals,
+        element: <ManualsPage />
       }
     ]
   }
diff --git a/rsconcept/frontend/src/app/urls.ts b/rsconcept/frontend/src/app/urls.ts
new file mode 100644
index 00000000..c4e691c8
--- /dev/null
+++ b/rsconcept/frontend/src/app/urls.ts
@@ -0,0 +1,49 @@
+/**
+ * Module: Internal navigation constants.
+ */
+
+/**
+ * Routes.
+ */
+export const routes = {
+  login: 'login',
+  signup: 'signup',
+  profile: 'profile',
+  restore_password: 'restore-password',
+  password_change: 'password-change',
+  library: 'library',
+  create_schema: 'library/create',
+  manuals: 'manuals',
+  help: 'manuals',
+  rsforms: 'rsforms'
+};
+
+interface SchemaProps {
+  id: number | string;
+  tab: number;
+  version?: number | string;
+  active?: number | string;
+}
+
+/**
+ * Internal navigation URLs.
+ */
+export const urls = {
+  home: '/',
+  login: `/${routes.login}`,
+  login_hint: (userName: string) => `/login?username=${userName}`,
+  profile: `/${routes.profile}`,
+  signup: `/${routes.signup}`,
+  library: `/${routes.library}`,
+  library_filter: (strategy: string) => `/library?filter=${strategy}`,
+  create_schema: `/${routes.create_schema}`,
+  manuals: `/${routes.manuals}`,
+  help_topic: (topic: string) => `/manuals?topic=${topic}`,
+  schema: (id: number | string, version?: number | string) =>
+    `/rsforms/${id}` + (version !== undefined ? `?v=${version}` : ''),
+  schema_props: ({ id, tab, version, active }: SchemaProps) => {
+    const versionStr = version !== undefined ? `v=${version}&` : '';
+    const activeStr = active !== undefined ? `&active=${active}` : '';
+    return `/rsforms/${id}?${versionStr}tab=${tab}${activeStr}`;
+  }
+};
diff --git a/rsconcept/frontend/src/components/RefsInput/RefsInput.tsx b/rsconcept/frontend/src/components/RefsInput/RefsInput.tsx
index 22ad65c6..152b7260 100644
--- a/rsconcept/frontend/src/components/RefsInput/RefsInput.tsx
+++ b/rsconcept/frontend/src/components/RefsInput/RefsInput.tsx
@@ -10,8 +10,8 @@ import { AnimatePresence } from 'framer-motion';
 import { forwardRef, useCallback, useMemo, useRef, useState } from 'react';
 
 import Label from '@/components/ui/Label';
-import { useRSForm } from '@/context/RSFormContext';
 import { useConceptOptions } from '@/context/OptionsContext';
+import { useRSForm } from '@/context/RSFormContext';
 import DlgEditReference from '@/dialogs/DlgEditReference';
 import { ReferenceType } from '@/models/language';
 import { IConstituenta } from '@/models/rsform';
@@ -163,7 +163,7 @@ const RefsInput = forwardRef<ReactCodeMirrorRef, RefsInputInputProps>(
     );
 
     return (
-      <>
+      <div className={clsx('flex flex-col gap-2', cursor)}>
         <AnimatePresence>
           {showEditor ? (
             <DlgEditReference
@@ -180,27 +180,24 @@ const RefsInput = forwardRef<ReactCodeMirrorRef, RefsInputInputProps>(
             />
           ) : null}
         </AnimatePresence>
-
-        <div className={clsx('flex flex-col gap-2', cursor)}>
-          <Label text={label} />
-          <CodeMirror
-            id={id}
-            ref={thisRef}
-            basicSetup={editorSetup}
-            theme={customTheme}
-            extensions={editorExtensions}
-            value={isFocused ? value : value !== initialValue || showEditor ? value : resolved}
-            indentWithTab={false}
-            onChange={handleChange}
-            editable={!disabled}
-            onKeyDown={handleInput}
-            onFocus={handleFocusIn}
-            onBlur={handleFocusOut}
-            // spellCheck= // TODO: figure out while automatic spellcheck doesn't work or implement with extension
-            {...restProps}
-          />
-        </div>
-      </>
+        <Label text={label} />
+        <CodeMirror
+          id={id}
+          ref={thisRef}
+          basicSetup={editorSetup}
+          theme={customTheme}
+          extensions={editorExtensions}
+          value={isFocused ? value : value !== initialValue || showEditor ? value : resolved}
+          indentWithTab={false}
+          onChange={handleChange}
+          editable={!disabled}
+          onKeyDown={handleInput}
+          onFocus={handleFocusIn}
+          onBlur={handleFocusOut}
+          // spellCheck= // TODO: figure out while automatic spellcheck doesn't work or implement with extension
+          {...restProps}
+        />
+      </div>
     );
   }
 );
diff --git a/rsconcept/frontend/src/components/info/InfoError.tsx b/rsconcept/frontend/src/components/info/InfoError.tsx
index de27ea2c..e33544cd 100644
--- a/rsconcept/frontend/src/components/info/InfoError.tsx
+++ b/rsconcept/frontend/src/components/info/InfoError.tsx
@@ -1,7 +1,7 @@
 import axios, { type AxiosError } from 'axios';
 import clsx from 'clsx';
 
-import { urls } from '@/utils/constants';
+import { external_urls } from '@/utils/constants';
 import { isResponseHtml } from '@/utils/utils';
 
 import PrettyJson from '../ui/PrettyJSON';
@@ -72,7 +72,7 @@ function InfoError({ error }: InfoErrorProps) {
     >
       <p className='font-normal clr-text-default'>
         Пожалуйста сделайте скриншот и отправьте вместе с описанием ситуации на почту{' '}
-        <TextURL href={urls.mail_portal} text='portal@acconcept.ru' />
+        <TextURL href={external_urls.mail_portal} text='portal@acconcept.ru' />
         <br />
         Для продолжения работы перезагрузите страницу
       </p>
diff --git a/rsconcept/frontend/src/components/man/HelpAPI.tsx b/rsconcept/frontend/src/components/man/HelpAPI.tsx
index 1c7e6740..27338c64 100644
--- a/rsconcept/frontend/src/components/man/HelpAPI.tsx
+++ b/rsconcept/frontend/src/components/man/HelpAPI.tsx
@@ -1,5 +1,5 @@
 import TextURL from '@/components/ui/TextURL';
-import { urls } from '@/utils/constants';
+import { external_urls } from '@/utils/constants';
 
 function HelpAPI() {
   return (
@@ -8,10 +8,10 @@ function HelpAPI() {
       <p>В качестве программного интерфейса сервера используется REST API, реализованный с помощью Django.</p>
       <p>На данный момент API находится в разработке, поэтому поддержка внешних запросов не производится.</p>
       <p>
-        С описанием интерфейса можно ознакомиться <TextURL text='по ссылке' href={urls.restAPI} />.
+        С описанием интерфейса можно ознакомиться <TextURL text='по ссылке' href={external_urls.restAPI} />.
       </p>
       <p>
-        <TextURL text='Принять участие в разработке' href={urls.git_repo} />
+        <TextURL text='Принять участие в разработке' href={external_urls.git_repo} />
       </p>
     </div>
   );
diff --git a/rsconcept/frontend/src/components/man/HelpExteor.tsx b/rsconcept/frontend/src/components/man/HelpExteor.tsx
index e111a312..f9f76d84 100644
--- a/rsconcept/frontend/src/components/man/HelpExteor.tsx
+++ b/rsconcept/frontend/src/components/man/HelpExteor.tsx
@@ -1,5 +1,5 @@
 import TextURL from '@/components/ui/TextURL';
-import { urls } from '@/utils/constants';
+import { external_urls } from '@/utils/constants';
 
 function HelpExteor() {
   // prettier-ignore
@@ -9,7 +9,7 @@ function HelpExteor() {
     <p>Экстеор 4.9 — редактор текстов систем понятий эксплицированных в родах структур</p>
     <p>Портал превосходит Экстеор в части редактирования экспликаций, но функции синтеза и вычисления интерпретации пока доступны только в Экстеоре. Также следует использовать Экстеор для выгрузки экспликаций в Word для последующей печати</p>
     <p>Экстеор доступен на операционной системы Windows 10+</p>
-    <p>Скачать установщик: <TextURL href={urls.exteor64} text='64bit'/> | <TextURL href={urls.exteor32} text='32bit'/></p>
+    <p>Скачать установщик: <TextURL href={external_urls.exteor64} text='64bit'/> | <TextURL href={external_urls.exteor32} text='32bit'/></p>
     <h2>Основные функции</h2>
     <li>Работа с РС-формой системы понятий</li>
     <li>Автоматическое определение типизации выражений</li>
diff --git a/rsconcept/frontend/src/components/man/HelpMain.tsx b/rsconcept/frontend/src/components/man/HelpMain.tsx
index 997daf9b..2b828c33 100644
--- a/rsconcept/frontend/src/components/man/HelpMain.tsx
+++ b/rsconcept/frontend/src/components/man/HelpMain.tsx
@@ -1,5 +1,5 @@
 import TextURL from '@/components/ui/TextURL';
-import { urls } from '@/utils/constants';
+import { external_urls } from '@/utils/constants';
 
 function HelpMain() {
   // prettier-ignore
@@ -16,8 +16,8 @@ function HelpMain() {
     <p>В меню пользователя (правый угол) доступно редактирование пользователя и изменение цветовой темы</p>
 
     <h2>Поддержка</h2>
-    <p>Портал разрабатывается <TextURL text='Центром Концепт' href={urls.concept}/> и является проектом с открытым исходным кодом, доступным на <TextURL text='Github' href={urls.git_repo}/></p>
-    <p>Ваши пожелания по доработке, найденные ошибки и иные предложения можно направлять по email: <TextURL href={urls.mail_portal} text='portal@acconcept.ru'/></p>
+    <p>Портал разрабатывается <TextURL text='Центром Концепт' href={external_urls.concept}/> и является проектом с открытым исходным кодом, доступным на <TextURL text='Github' href={external_urls.git_repo}/></p>
+    <p>Ваши пожелания по доработке, найденные ошибки и иные предложения можно направлять по email: <TextURL href={external_urls.mail_portal} text='portal@acconcept.ru'/></p>
   </div>);
 }
 
diff --git a/rsconcept/frontend/src/components/man/HelpRSLang.tsx b/rsconcept/frontend/src/components/man/HelpRSLang.tsx
index b6cea5d4..e8e84df6 100644
--- a/rsconcept/frontend/src/components/man/HelpRSLang.tsx
+++ b/rsconcept/frontend/src/components/man/HelpRSLang.tsx
@@ -2,7 +2,7 @@ import { useMemo } from 'react';
 
 import EmbedYoutube from '@/components/ui/EmbedYoutube';
 import useWindowSize from '@/hooks/useWindowSize';
-import { urls, youtube } from '@/utils/constants';
+import { external_urls, youtube } from '@/utils/constants';
 
 const OPT_VIDEO_H = 1080;
 
@@ -25,9 +25,9 @@ function HelpRSLang() {
       <p>Данный математический аппарат основан на аксиоматической теории множеств Цермелло-Френкеля и аппарате родов структур Н.Бурбаки.</p>
       <p>Для ознакомления с основами родов структур можно использовать следующие материалы:</p>
       <ul>
-        <li>1. <a className='underline' href={urls.intro_video}>Видео: Краткое введение в мат. аппарат</a></li>
-        <li>2. <a className='underline' href={urls.ponomarev}>Текст: Учебник И. Н. Пономарева</a></li>
-        <li>3. <a className='underline' href={urls.full_course}>Видео: лекции для 4 курса (второй семестр 2022-23 год)</a></li>
+        <li>1. <a className='underline' href={external_urls.intro_video}>Видео: Краткое введение в мат. аппарат</a></li>
+        <li>2. <a className='underline' href={external_urls.ponomarev}>Текст: Учебник И. Н. Пономарева</a></li>
+        <li>3. <a className='underline' href={external_urls.full_course}>Видео: лекции для 4 курса (второй семестр 2022-23 год)</a></li>
       </ul>
     </div>
     <div className='justify-center w-full'>
diff --git a/rsconcept/frontend/src/components/wrap/DataLoader.tsx b/rsconcept/frontend/src/components/wrap/DataLoader.tsx
index f48ceca6..3c96b6c1 100644
--- a/rsconcept/frontend/src/components/wrap/DataLoader.tsx
+++ b/rsconcept/frontend/src/components/wrap/DataLoader.tsx
@@ -17,13 +17,13 @@ interface DataLoaderProps extends CProps.AnimatedDiv {
 
 function DataLoader({ id, isLoading, hasNoData, error, children, ...restProps }: DataLoaderProps) {
   return (
-    <AnimatePresence mode='wait'>
+    <AnimatePresence>
       {isLoading ? <Loader key={`${id}-loader`} /> : null}
       {error ? <InfoError key={`${id}-error`} error={error} /> : null}
       <AnimateFade id={id} key={`${id}-data`} removeContent={isLoading || !!error || hasNoData} {...restProps}>
         {children}
       </AnimateFade>
-      <AnimateFade id={id} key={`${id}-data`} removeContent={isLoading || !!error || !hasNoData} {...restProps}>
+      <AnimateFade id={id} key={`${id}-no-data`} removeContent={isLoading || !!error || !hasNoData} {...restProps}>
         Данные не загружены
       </AnimateFade>
     </AnimatePresence>
diff --git a/rsconcept/frontend/src/components/wrap/ExpectedAnonymous.tsx b/rsconcept/frontend/src/components/wrap/ExpectedAnonymous.tsx
index 514a8417..180a6989 100644
--- a/rsconcept/frontend/src/components/wrap/ExpectedAnonymous.tsx
+++ b/rsconcept/frontend/src/components/wrap/ExpectedAnonymous.tsx
@@ -1,3 +1,4 @@
+import { urls } from '@/app/urls';
 import { useAuth } from '@/context/AuthContext';
 import { useConceptNavigation } from '@/context/NavigationContext';
 
@@ -8,7 +9,7 @@ function ExpectedAnonymous() {
   const router = useConceptNavigation();
 
   function logoutAndRedirect() {
-    logout(() => router.push('/login/'));
+    logout(() => router.push(urls.login));
   }
 
   return (
diff --git a/rsconcept/frontend/src/dialogs/DlgCloneLibraryItem.tsx b/rsconcept/frontend/src/dialogs/DlgCloneLibraryItem.tsx
index 328d32b2..ac55ac5b 100644
--- a/rsconcept/frontend/src/dialogs/DlgCloneLibraryItem.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgCloneLibraryItem.tsx
@@ -4,6 +4,7 @@ import clsx from 'clsx';
 import { useEffect, useMemo, useState } from 'react';
 import { toast } from 'react-toastify';
 
+import { urls } from '@/app/urls';
 import Checkbox from '@/components/ui/Checkbox';
 import Modal, { ModalProps } from '@/components/ui/Modal';
 import TextArea from '@/components/ui/TextArea';
@@ -51,7 +52,7 @@ function DlgCloneLibraryItem({ hideWindow, base }: DlgCloneLibraryItemProps) {
     };
     cloneItem(base.id, data, newSchema => {
       toast.success(`Копия создана: ${newSchema.alias}`);
-      router.push(`/rsforms/${newSchema.id}`);
+      router.push(urls.schema(newSchema.id));
     });
   }
 
diff --git a/rsconcept/frontend/src/dialogs/DlgCreateCst/FormCreateCst.tsx b/rsconcept/frontend/src/dialogs/DlgCreateCst/FormCreateCst.tsx
index 1e3de8a2..b6c5e0ae 100644
--- a/rsconcept/frontend/src/dialogs/DlgCreateCst/FormCreateCst.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgCreateCst/FormCreateCst.tsx
@@ -41,7 +41,7 @@ function FormCreateCst({ schema, state, partialUpdate, setValidated }: FormCreat
 
   return (
     <AnimatePresence>
-      <div className='flex items-center self-center'>
+      <div key='dlg_cst_alias_picker' className='flex items-center self-center'>
         <SelectSingle
           id='dlg_cst_type'
           placeholder='Выберите тип'
@@ -61,6 +61,7 @@ function FormCreateCst({ schema, state, partialUpdate, setValidated }: FormCreat
         />
       </div>
       <TextArea
+        key='dlg_cst_term'
         id='dlg_cst_term'
         spellCheck
         label='Термин'
@@ -69,7 +70,7 @@ function FormCreateCst({ schema, state, partialUpdate, setValidated }: FormCreat
         value={state.term_raw}
         onChange={event => partialUpdate({ term_raw: event.target.value })}
       />
-      <AnimateFade hideContent={!state.definition_formal && isElementary}>
+      <AnimateFade key='dlg_cst_expression' hideContent={!state.definition_formal && isElementary}>
         <RSInput
           id='dlg_cst_expression'
           label={
@@ -88,7 +89,7 @@ function FormCreateCst({ schema, state, partialUpdate, setValidated }: FormCreat
           onChange={value => partialUpdate({ definition_formal: value })}
         />
       </AnimateFade>
-      <AnimateFade hideContent={!state.definition_raw && isElementary}>
+      <AnimateFade key='dlg_cst_definition' hideContent={!state.definition_raw && isElementary}>
         <TextArea
           id='dlg_cst_definition'
           spellCheck
@@ -101,6 +102,8 @@ function FormCreateCst({ schema, state, partialUpdate, setValidated }: FormCreat
       </AnimateFade>
       {!showConvention ? (
         <button
+          key='dlg_cst_show_comment'
+          id='dlg_cst_show_comment'
           type='button'
           className='self-start cc-label clr-text-url hover:underline'
           onClick={() => setForceComment(true)}
@@ -110,6 +113,7 @@ function FormCreateCst({ schema, state, partialUpdate, setValidated }: FormCreat
       ) : null}
       <AnimateFade hideContent={!showConvention}>
         <TextArea
+          key='dlg_cst_convention'
           id='dlg_cst_convention'
           spellCheck
           label={isBasic ? 'Конвенция' : 'Комментарий'}
diff --git a/rsconcept/frontend/src/pages/CreateRSFormPage.tsx b/rsconcept/frontend/src/pages/CreateRSFormPage.tsx
index ac53ea9c..9bcddad0 100644
--- a/rsconcept/frontend/src/pages/CreateRSFormPage.tsx
+++ b/rsconcept/frontend/src/pages/CreateRSFormPage.tsx
@@ -5,6 +5,7 @@ import { useEffect, useRef, useState } from 'react';
 import { BiDownload } from 'react-icons/bi';
 import { toast } from 'react-toastify';
 
+import { urls } from '@/app/urls';
 import InfoError from '@/components/info/InfoError';
 import Button from '@/components/ui/Button';
 import Checkbox from '@/components/ui/Checkbox';
@@ -43,7 +44,7 @@ function CreateRSFormPage() {
     if (router.canBack()) {
       router.back();
     } else {
-      router.push('/library');
+      router.push(urls.library);
     }
   }
 
@@ -64,7 +65,7 @@ function CreateRSFormPage() {
     };
     createItem(data, newSchema => {
       toast.success('Схема успешно создана');
-      router.push(`/rsforms/${newSchema.id}`);
+      router.push(urls.schema(newSchema.id));
     });
   }
 
diff --git a/rsconcept/frontend/src/pages/HomePage.tsx b/rsconcept/frontend/src/pages/HomePage.tsx
index b996e5fc..6edc647e 100644
--- a/rsconcept/frontend/src/pages/HomePage.tsx
+++ b/rsconcept/frontend/src/pages/HomePage.tsx
@@ -1,5 +1,6 @@
 import { useLayoutEffect } from 'react';
 
+import { urls } from '@/app/urls';
 import { useAuth } from '@/context/AuthContext';
 import { useConceptNavigation } from '@/context/NavigationContext';
 import { TIMEOUT_UI_REFRESH } from '@/utils/constants';
@@ -11,11 +12,11 @@ function HomePage() {
   useLayoutEffect(() => {
     if (!user) {
       setTimeout(() => {
-        router.push('/manuals');
+        router.push(urls.manuals);
       }, TIMEOUT_UI_REFRESH);
     } else {
       setTimeout(() => {
-        router.push('/library');
+        router.push(urls.library);
       }, TIMEOUT_UI_REFRESH);
     }
   }, [router, user]);
diff --git a/rsconcept/frontend/src/pages/LibraryPage/LibraryPage.tsx b/rsconcept/frontend/src/pages/LibraryPage/LibraryPage.tsx
index 77475dfb..0e20de39 100644
--- a/rsconcept/frontend/src/pages/LibraryPage/LibraryPage.tsx
+++ b/rsconcept/frontend/src/pages/LibraryPage/LibraryPage.tsx
@@ -2,6 +2,7 @@
 
 import { useCallback, useLayoutEffect, useState } from 'react';
 
+import { urls } from '@/app/urls';
 import DataLoader from '@/components/wrap/DataLoader';
 import { useAuth } from '@/context/AuthContext';
 import { useLibrary } from '@/context/LibraryContext';
@@ -38,7 +39,7 @@ function LibraryPage() {
 
   useLayoutEffect(() => {
     if (!queryFilter || !Object.values(LibraryFilterStrategy).includes(queryFilter)) {
-      router.replace(`/library?filter=${strategy}`);
+      router.replace(urls.library_filter(strategy));
       return;
     }
     setQuery('');
diff --git a/rsconcept/frontend/src/pages/LibraryPage/SearchPanel.tsx b/rsconcept/frontend/src/pages/LibraryPage/SearchPanel.tsx
index 14bac71a..11618af7 100644
--- a/rsconcept/frontend/src/pages/LibraryPage/SearchPanel.tsx
+++ b/rsconcept/frontend/src/pages/LibraryPage/SearchPanel.tsx
@@ -3,6 +3,7 @@
 import clsx from 'clsx';
 import { useCallback } from 'react';
 
+import { urls } from '@/app/urls';
 import SearchBar from '@/components/ui/SearchBar';
 import { useConceptNavigation } from '@/context/NavigationContext';
 import { ILibraryFilter } from '@/models/miscellaneous';
@@ -37,7 +38,7 @@ function SearchPanel({ total, filtered, query, setQuery, strategy, setFilter }:
   const handleChangeStrategy = useCallback(
     (value: LibraryFilterStrategy) => {
       if (value !== strategy) {
-        router.push(`/library?filter=${value}`);
+        router.push(urls.library_filter(value));
       }
     },
     [strategy, router]
diff --git a/rsconcept/frontend/src/pages/LibraryPage/ViewLibrary.tsx b/rsconcept/frontend/src/pages/LibraryPage/ViewLibrary.tsx
index e11203c4..05d905fa 100644
--- a/rsconcept/frontend/src/pages/LibraryPage/ViewLibrary.tsx
+++ b/rsconcept/frontend/src/pages/LibraryPage/ViewLibrary.tsx
@@ -4,6 +4,7 @@ import clsx from 'clsx';
 import { useLayoutEffect, useMemo, useState } from 'react';
 import { useIntl } from 'react-intl';
 
+import { urls } from '@/app/urls';
 import BadgeHelp from '@/components/man/BadgeHelp';
 import DataTable, { createColumnHelper, VisibilityState } from '@/components/ui/DataTable';
 import FlexColumn from '@/components/ui/FlexColumn';
@@ -33,7 +34,7 @@ function ViewLibrary({ items, resetQuery }: ViewLibraryProps) {
   const { getUserLabel } = useUsers();
   const [itemsPerPage, setItemsPerPage] = useLocalStorage<number>(storage.libraryPagination, 50);
 
-  const handleOpenItem = (item: ILibraryItem) => router.push(`/rsforms/${item.id}`);
+  const handleOpenItem = (item: ILibraryItem) => router.push(urls.schema(item.id));
 
   const windowSize = useWindowSize();
 
diff --git a/rsconcept/frontend/src/pages/LoginPage.tsx b/rsconcept/frontend/src/pages/LoginPage.tsx
index 7f94145d..c2465f7e 100644
--- a/rsconcept/frontend/src/pages/LoginPage.tsx
+++ b/rsconcept/frontend/src/pages/LoginPage.tsx
@@ -4,6 +4,7 @@ import axios from 'axios';
 import clsx from 'clsx';
 import { useEffect, useState } from 'react';
 
+import { urls } from '@/app/urls';
 import InfoError, { ErrorData } from '@/components/info/InfoError';
 import SubmitButton from '@/components/ui/SubmitButton';
 import TextInput from '@/components/ui/TextInput';
@@ -53,7 +54,7 @@ function LoginPage() {
         if (router.canBack()) {
           router.back();
         } else {
-          router.push('/library');
+          router.push(urls.library);
         }
       });
     }
diff --git a/rsconcept/frontend/src/pages/ManualsPage/ManualsPage.tsx b/rsconcept/frontend/src/pages/ManualsPage/ManualsPage.tsx
index bcf31dea..1547d62b 100644
--- a/rsconcept/frontend/src/pages/ManualsPage/ManualsPage.tsx
+++ b/rsconcept/frontend/src/pages/ManualsPage/ManualsPage.tsx
@@ -1,5 +1,6 @@
 'use client';
 
+import { urls } from '@/app/urls';
 import { useConceptNavigation } from '@/context/NavigationContext';
 import { useConceptOptions } from '@/context/OptionsContext';
 import useQueryStrings from '@/hooks/useQueryStrings';
@@ -16,7 +17,7 @@ function ManualsPage() {
   const { mainHeight } = useConceptOptions();
 
   function onSelectTopic(newTopic: HelpTopic) {
-    router.push(`/manuals?topic=${newTopic}`);
+    router.push(urls.help_topic(newTopic));
   }
 
   return (
diff --git a/rsconcept/frontend/src/pages/PasswordChangePage.tsx b/rsconcept/frontend/src/pages/PasswordChangePage.tsx
index 52a387f1..edd1a7e7 100644
--- a/rsconcept/frontend/src/pages/PasswordChangePage.tsx
+++ b/rsconcept/frontend/src/pages/PasswordChangePage.tsx
@@ -4,6 +4,7 @@ import axios from 'axios';
 import clsx from 'clsx';
 import { useEffect, useMemo, useState } from 'react';
 
+import { urls } from '@/app/urls';
 import InfoError, { ErrorData } from '@/components/info/InfoError';
 import SubmitButton from '@/components/ui/SubmitButton';
 import TextInput from '@/components/ui/TextInput';
@@ -51,8 +52,8 @@ function PasswordChangePage() {
         token: token!
       };
       resetPassword(data, () => {
-        router.replace('/');
-        router.push('/login');
+        router.replace(urls.home);
+        router.push(urls.login);
       });
     }
   }
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta/FormConstituenta.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta/FormConstituenta.tsx
index c8eddc14..a919effc 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta/FormConstituenta.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta/FormConstituenta.tsx
@@ -141,32 +141,33 @@ function FormConstituenta({
         className={clsx('cc-column', 'mt-1 w-full md:w-[47.8rem] shrink-0', 'px-4 py-1')}
         onSubmit={handleSubmit}
       >
+        <RefsInput
+          key='cst_term'
+          id='cst_term'
+          label='Термин'
+          placeholder='Обозначение, используемое в текстовых определениях'
+          items={schema?.items}
+          value={term}
+          initialValue={state?.term_raw ?? ''}
+          resolved={state?.term_resolved ?? ''}
+          disabled={disabled}
+          onChange={newValue => setTerm(newValue)}
+        />
+        <TextArea
+          id='cst_typification'
+          dense
+          noBorder
+          disabled={true}
+          label='Типизация'
+          rows={typification.length > ROW_SIZE_IN_CHARACTERS ? 2 : 1}
+          value={typification}
+          colors='clr-app'
+          style={{
+            resize: 'none'
+          }}
+        />
         <AnimatePresence>
-          <RefsInput
-            id='cst_term'
-            label='Термин'
-            placeholder='Обозначение, используемое в текстовых определениях'
-            items={schema?.items}
-            value={term}
-            initialValue={state?.term_raw ?? ''}
-            resolved={state?.term_resolved ?? ''}
-            disabled={disabled}
-            onChange={newValue => setTerm(newValue)}
-          />
-          <TextArea
-            id='cst_typification'
-            dense
-            noBorder
-            disabled={true}
-            label='Типизация'
-            rows={typification.length > ROW_SIZE_IN_CHARACTERS ? 2 : 1}
-            value={typification}
-            colors='clr-app'
-            style={{
-              resize: 'none'
-            }}
-          />
-          <AnimateFade hideContent={!!state && !state?.definition_formal && isElementary}>
+          <AnimateFade key='cst_expression_fade' hideContent={!!state && !state?.definition_formal && isElementary}>
             <EditorRSExpression
               id='cst_expression'
               label={
@@ -191,7 +192,7 @@ function FormConstituenta({
               setTypification={setTypification}
             />
           </AnimateFade>
-          <AnimateFade hideContent={!!state && !state?.definition_raw && isElementary}>
+          <AnimateFade key='cst_definition_fade' hideContent={!!state && !state?.definition_raw && isElementary}>
             <RefsInput
               id='cst_definition'
               label='Текстовое определение'
@@ -205,7 +206,7 @@ function FormConstituenta({
               onChange={newValue => setTextDefinition(newValue)}
             />
           </AnimateFade>
-          <AnimateFade hideContent={!showConvention}>
+          <AnimateFade key='cst_convention_fade' hideContent={!showConvention}>
             <TextArea
               id='cst_convention'
               spellCheck
@@ -220,6 +221,8 @@ function FormConstituenta({
           </AnimateFade>
           {!showConvention && (!disabled || processing) ? (
             <button
+              key='cst_disable_comment'
+              id='cst_disable_comment'
               type='button'
               className='self-start cc-label clr-text-url hover:underline'
               onClick={() => setForceComment(true)}
@@ -229,6 +232,8 @@ function FormConstituenta({
           ) : null}
           {!disabled || processing ? (
             <SubmitButton
+              key='cst_form_submit'
+              id='cst_form_submit'
               text='Сохранить изменения'
               className='self-center'
               disabled={disabled || !isModified}
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression/EditorRSExpression.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression/EditorRSExpression.tsx
index a3b8f191..7ac68321 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression/EditorRSExpression.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression/EditorRSExpression.tsx
@@ -154,77 +154,75 @@ function EditorRSExpression({
   }
 
   return (
-    <>
+    <div>
       <AnimatePresence>
         {showAST ? (
           <DlgShowAST expression={expression} syntaxTree={syntaxTree} hideWindow={() => setShowAST(false)} />
         ) : null}
       </AnimatePresence>
 
-      <div>
-        <Overlay position='top-[-0.5rem] right-0 flex'>
-          <MiniButton
-            title='Изменить шрифт'
-            onClick={toggleFont}
-            icon={<BiFontFamily size='1.25rem' className={mathFont === 'math' ? 'icon-primary' : ''} />}
-          />
-          {!disabled || model.processing ? (
-            <MiniButton
-              noHover
-              title='Отображение специальной клавиатуры'
-              onClick={() => setShowControls(prev => !prev)}
-              icon={<FaRegKeyboard size='1.25rem' className={showControls ? 'icon-primary' : ''} />}
-            />
-          ) : null}
+      <Overlay position='top-[-0.5rem] right-0 flex'>
+        <MiniButton
+          title='Изменить шрифт'
+          onClick={toggleFont}
+          icon={<BiFontFamily size='1.25rem' className={mathFont === 'math' ? 'icon-primary' : ''} />}
+        />
+        {!disabled || model.processing ? (
           <MiniButton
             noHover
-            title='Отображение списка конституент'
-            onClick={onToggleList}
-            icon={<BiListUl size='1.25rem' className={showList ? 'icon-primary' : ''} />}
+            title='Отображение специальной клавиатуры'
+            onClick={() => setShowControls(prev => !prev)}
+            icon={<FaRegKeyboard size='1.25rem' className={showControls ? 'icon-primary' : ''} />}
           />
-          <MiniButton
-            noHover
-            title='Дерево разбора выражения'
-            onClick={handleShowAST}
-            icon={<RiNodeTree size='1.25rem' className='icon-primary' />}
-          />
-        </Overlay>
-
-        <Overlay position='top-[-0.5rem] pl-[8rem] sm:pl-[4rem] right-1/2 translate-x-1/2 flex'>
-          <StatusBar
-            processing={parser.loading}
-            isModified={isModified}
-            constituenta={activeCst}
-            parseData={parser.parseData}
-            onAnalyze={() => handleCheckExpression()}
-          />
-          <BadgeHelp topic={HelpTopic.CST_EDITOR} offset={4} />
-        </Overlay>
-
-        <RSInput
-          ref={rsInput}
-          value={value}
-          minHeight='3.8rem'
-          disabled={disabled}
-          onChange={handleChange}
-          onAnalyze={handleCheckExpression}
-          {...restProps}
+        ) : null}
+        <MiniButton
+          noHover
+          title='Отображение списка конституент'
+          onClick={onToggleList}
+          icon={<BiListUl size='1.25rem' className={showList ? 'icon-primary' : ''} />}
         />
-
-        <RSEditorControls
-          isOpen={showControls && (!disabled || model.processing)}
-          disabled={disabled}
-          onEdit={handleEdit}
+        <MiniButton
+          noHover
+          title='Дерево разбора выражения'
+          onClick={handleShowAST}
+          icon={<RiNodeTree size='1.25rem' className='icon-primary' />}
         />
+      </Overlay>
 
-        <ParsingResult
-          isOpen={!!parser.parseData && parser.parseData.errors.length > 0}
-          data={parser.parseData}
-          disabled={disabled}
-          onShowError={onShowError}
+      <Overlay position='top-[-0.5rem] pl-[8rem] sm:pl-[4rem] right-1/2 translate-x-1/2 flex'>
+        <StatusBar
+          processing={parser.loading}
+          isModified={isModified}
+          constituenta={activeCst}
+          parseData={parser.parseData}
+          onAnalyze={() => handleCheckExpression()}
         />
-      </div>
-    </>
+        <BadgeHelp topic={HelpTopic.CST_EDITOR} offset={4} />
+      </Overlay>
+
+      <RSInput
+        ref={rsInput}
+        value={value}
+        minHeight='3.8rem'
+        disabled={disabled}
+        onChange={handleChange}
+        onAnalyze={handleCheckExpression}
+        {...restProps}
+      />
+
+      <RSEditorControls
+        isOpen={showControls && (!disabled || model.processing)}
+        disabled={disabled}
+        onEdit={handleEdit}
+      />
+
+      <ParsingResult
+        isOpen={!!parser.parseData && parser.parseData.errors.length > 0}
+        data={parser.parseData}
+        disabled={disabled}
+        onShowError={onShowError}
+      />
+    </div>
   );
 }
 
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression/StatusBar.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression/StatusBar.tsx
index 1abf686f..0458e1f9 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression/StatusBar.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression/StatusBar.tsx
@@ -56,8 +56,10 @@ function StatusBar({ isModified, processing, constituenta, parseData, onAnalyze
         {processing ? <Loader key='status-loader' size={3} /> : null}
         {!processing ? (
           <>
-            <StatusIcon status={status} />
-            <span className='pb-[0.125rem] font-controls pr-2'>{labelExpressionStatus(status)}</span>
+            <StatusIcon key='status-icon' status={status} />
+            <span key='status-text' className='pb-[0.125rem] font-controls pr-2'>
+              {labelExpressionStatus(status)}
+            </span>
           </>
         ) : null}
       </AnimatePresence>
diff --git a/rsconcept/frontend/src/pages/RSFormPage/RSEditContext.tsx b/rsconcept/frontend/src/pages/RSFormPage/RSEditContext.tsx
index 229c1ef7..cb2ec81f 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/RSEditContext.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/RSEditContext.tsx
@@ -6,6 +6,7 @@ import fileDownload from 'js-file-download';
 import { createContext, useCallback, useContext, useLayoutEffect, useMemo, useState } from 'react';
 import { toast } from 'react-toastify';
 
+import { urls } from '@/app/urls';
 import InfoError, { ErrorData } from '@/components/info/InfoError';
 import Divider from '@/components/ui/Divider';
 import Loader from '@/components/ui/Loader';
@@ -152,13 +153,7 @@ export const RSEditState = ({
   );
 
   const viewVersion = useCallback(
-    (version?: number) => {
-      if (version) {
-        router.push(`/rsforms/${model.schemaID}?v=${version}`);
-      } else {
-        router.push(`/rsforms/${model.schemaID}`);
-      }
-    },
+    (version?: number) => router.push(urls.schema(model.schemaID, version)),
     [router, model]
   );
 
diff --git a/rsconcept/frontend/src/pages/RSFormPage/RSTabs.tsx b/rsconcept/frontend/src/pages/RSFormPage/RSTabs.tsx
index e972ec60..9aa1b44e 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/RSTabs.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/RSTabs.tsx
@@ -5,12 +5,13 @@ import { useCallback, useLayoutEffect, useMemo, useState } from 'react';
 import { TabList, TabPanel, Tabs } from 'react-tabs';
 import { toast } from 'react-toastify';
 
+import { urls } from '@/app/urls';
 import TabLabel from '@/components/ui/TabLabel';
 import AnimateFade from '@/components/wrap/AnimateFade';
 import { useLibrary } from '@/context/LibraryContext';
 import { useBlockNavigation, useConceptNavigation } from '@/context/NavigationContext';
-import { useRSForm } from '@/context/RSFormContext';
 import { useConceptOptions } from '@/context/OptionsContext';
+import { useRSForm } from '@/context/RSFormContext';
 import useQueryStrings from '@/hooks/useQueryStrings';
 import { ConstituentaID, IConstituenta, IConstituentaMeta } from '@/models/rsform';
 import { prefixes, TIMEOUT_UI_REFRESH } from '@/utils/constants';
@@ -34,7 +35,7 @@ function RSTabs() {
   const router = useConceptNavigation();
   const query = useQueryStrings();
   const activeTab = (Number(query.get('tab')) ?? RSTabID.CARD) as RSTabID;
-  const version = Number(query.get('v')) ?? undefined;
+  const version = query.get('v') ? Number(query.get('v')) : undefined;
   const cstQuery = query.get('active');
 
   const { setNoFooter, calculateHeight } = useConceptOptions();
@@ -84,18 +85,23 @@ function RSTabs() {
       if (!schema) {
         return;
       }
-      const versionStr = version ? `v=${version}&` : '';
+      const url = urls.schema_props({
+        id: schema.id,
+        tab: tab,
+        active: activeID,
+        version: version
+      });
       if (activeID) {
         if (tab === activeTab && tab !== RSTabID.CST_EDIT) {
-          router.replace(`/rsforms/${schema.id}?${versionStr}tab=${tab}&active=${activeID}`);
+          router.replace(url);
         } else {
-          router.push(`/rsforms/${schema.id}?${versionStr}tab=${tab}&active=${activeID}`);
+          router.push(url);
         }
       } else if (tab !== activeTab && tab === RSTabID.CST_EDIT && schema.items.length > 0) {
         activeID = schema.items[0].id;
-        router.replace(`/rsforms/${schema.id}?${versionStr}tab=${tab}&active=${activeID}`);
+        router.replace(url);
       } else {
-        router.push(`/rsforms/${schema.id}?${versionStr}tab=${tab}`);
+        router.push(url);
       }
     },
     [router, schema, activeTab, version]
@@ -150,7 +156,7 @@ function RSTabs() {
     }
     destroyItem(schema.id, () => {
       toast.success('Схема удалена');
-      router.push('/library');
+      router.push(urls.library);
     });
   }, [schema, destroyItem, router]);
 
diff --git a/rsconcept/frontend/src/pages/RSFormPage/RSTabsMenu.tsx b/rsconcept/frontend/src/pages/RSFormPage/RSTabsMenu.tsx
index 8b7fd60d..b4a5c8f1 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/RSTabsMenu.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/RSTabsMenu.tsx
@@ -24,6 +24,7 @@ import {
 } from 'react-icons/lu';
 import { VscLibrary } from 'react-icons/vsc';
 
+import { urls } from '@/app/urls';
 import Button from '@/components/ui/Button';
 import Dropdown from '@/components/ui/Dropdown';
 import DropdownButton from '@/components/ui/DropdownButton';
@@ -114,11 +115,11 @@ function RSTabsMenu({ onDestroy }: RSTabsMenuProps) {
   }
 
   function handleCreateNew() {
-    router.push('/library/create');
+    router.push(urls.create_schema);
   }
 
   function handleLogin() {
-    router.push('/login');
+    router.push(urls.login);
   }
 
   return (
@@ -189,7 +190,7 @@ function RSTabsMenu({ onDestroy }: RSTabsMenuProps) {
           <DropdownButton
             text='Библиотека'
             icon={<VscLibrary size='1rem' className='icon-primary' />}
-            onClick={() => router.push('/library')}
+            onClick={() => router.push(urls.library)}
           />
         </Dropdown>
       </div>
diff --git a/rsconcept/frontend/src/pages/RegisterPage.tsx b/rsconcept/frontend/src/pages/RegisterPage.tsx
index d15607e9..eb3b097e 100644
--- a/rsconcept/frontend/src/pages/RegisterPage.tsx
+++ b/rsconcept/frontend/src/pages/RegisterPage.tsx
@@ -5,6 +5,7 @@ import { useEffect, useState } from 'react';
 import { BiInfoCircle } from 'react-icons/bi';
 import { toast } from 'react-toastify';
 
+import { urls } from '@/app/urls';
 import InfoError from '@/components/info/InfoError';
 import Button from '@/components/ui/Button';
 import Checkbox from '@/components/ui/Checkbox';
@@ -42,7 +43,7 @@ function RegisterPage() {
     if (router.canBack()) {
       router.back();
     } else {
-      router.push('/library');
+      router.push(urls.library);
     }
   }
 
@@ -58,7 +59,7 @@ function RegisterPage() {
         last_name: lastName
       };
       signup(data, createdUser => {
-        router.push(`/login?username=${createdUser.username}`);
+        router.push(urls.login_hint(createdUser.username));
         toast.success(`Пользователь успешно создан: ${createdUser.username}`);
       });
     }
diff --git a/rsconcept/frontend/src/pages/UserProfilePage/EditorPassword.tsx b/rsconcept/frontend/src/pages/UserProfilePage/EditorPassword.tsx
index 03801235..abbff2b8 100644
--- a/rsconcept/frontend/src/pages/UserProfilePage/EditorPassword.tsx
+++ b/rsconcept/frontend/src/pages/UserProfilePage/EditorPassword.tsx
@@ -5,6 +5,7 @@ import clsx from 'clsx';
 import { useEffect, useMemo, useState } from 'react';
 import { toast } from 'react-toastify';
 
+import { urls } from '@/app/urls';
 import InfoError, { ErrorData } from '@/components/info/InfoError';
 import FlexColumn from '@/components/ui/FlexColumn';
 import SubmitButton from '@/components/ui/SubmitButton';
@@ -53,7 +54,7 @@ function EditorPassword() {
     };
     updatePassword(data, () => {
       toast.success('Изменения сохранены');
-      router.push('/login');
+      router.push(urls.login);
     });
   }
 
diff --git a/rsconcept/frontend/src/pages/UserProfilePage/ViewSubscriptions.tsx b/rsconcept/frontend/src/pages/UserProfilePage/ViewSubscriptions.tsx
index 577d39fa..26f255ee 100644
--- a/rsconcept/frontend/src/pages/UserProfilePage/ViewSubscriptions.tsx
+++ b/rsconcept/frontend/src/pages/UserProfilePage/ViewSubscriptions.tsx
@@ -4,6 +4,7 @@ import { motion } from 'framer-motion';
 import { useMemo } from 'react';
 import { useIntl } from 'react-intl';
 
+import { urls } from '@/app/urls';
 import DataTable, { createColumnHelper } from '@/components/ui/DataTable';
 import { useConceptNavigation } from '@/context/NavigationContext';
 import { ILibraryItem } from '@/models/library';
@@ -19,7 +20,7 @@ function ViewSubscriptions({ items }: ViewSubscriptionsProps) {
   const router = useConceptNavigation();
   const intl = useIntl();
 
-  const openRSForm = (item: ILibraryItem) => router.push(`/rsforms/${item.id}`);
+  const openRSForm = (item: ILibraryItem) => router.push(urls.schema(item.id));
 
   const columns = useMemo(
     () => [
diff --git a/rsconcept/frontend/src/utils/constants.ts b/rsconcept/frontend/src/utils/constants.ts
index 255ea826..38c91603 100644
--- a/rsconcept/frontend/src/utils/constants.ts
+++ b/rsconcept/frontend/src/utils/constants.ts
@@ -63,7 +63,7 @@ export const youtube = {
 /**
  * External URLs.
  */
-export const urls = {
+export const external_urls = {
   concept: 'https://www.acconcept.ru/',
   exteor32: 'https://drive.google.com/open?id=1IHlMMwaYlAUBRSxU1RU_hXM5mFU9-oyK&usp=drive_fs',
   exteor64: 'https://drive.google.com/open?id=1IJt25ZRQ-ZMA6t7hOqmo5cv05WJCQKMv&usp=drive_fs',