feat: add "back to objects" link on the works page

The works page of an object had no way back except the sidebar. The link
goes straight to the objects of the same project, so it also works when
the page was opened by a direct URL.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

src/webparts/stroyBot/pages/works/WorksPage.module.scss

@@ -10,6 +10,20 @@ $toggle-size: 20px;
   width: 100%;
 }
 
+// «← К объектам» — как «← Вернуться назад» в форме отчёта.
+.backLink {
+  align-self: flex-start;
+  color: $navy-600;
+  font-size: $fs-sm;
+  font-weight: 500;
+  text-decoration: none;
+
+  &:hover {
+    color: $navy-900;
+    text-decoration: underline;
+  }
+}
+
 .container {
   display: flex;
   flex-direction: column;

src/webparts/stroyBot/pages/works/WorksPage.tsx

@@ -8,5 +8,7 @@ import { WorksPageContent } from './WorksPageContent';
  */
 export const WorksPage: React.FC = () => {
   const { route } = useRouter();
-  return <WorksPageContent key={route.objectId ?? ''} objectId={route.objectId ?? ''} />;
+  return (
+    <WorksPageContent key={route.objectId ?? ''} objectId={route.objectId ?? ''} projectId={route.projectId} />
+  );
 };

src/webparts/stroyBot/pages/works/WorksPageContent.tsx

@@ -2,6 +2,7 @@ import * as React from 'react';
 import { Alert, Button, confirmModal, Spinner } from '@tnsu/ui-kit';
 import { useAppServices } from '../../app/AppServicesContext';
 import { EmptyState } from '../../shared/components/EmptyState';
+import { RouteLink } from '../../app/routing/RouteLink';
 import { ContextMenu, IContextMenuItem, IMenuAnchor } from '../_tree/ContextMenu';
 import { TreePageHeader } from '../_tree/TreePageHeader';
 import { flattenVisible, toggleId } from '../_tree/treeRules';
@@ -28,9 +29,11 @@ const MENU_OFFSET_PX = 4;
 
 interface Props {
   objectId: string;
+  /** Для ссылки «← К объектам» — объекты того же проекта. */
+  projectId: string | undefined;
 }
 
-export const WorksPageContent: React.FC<Props> = ({ objectId }) => {
+export const WorksPageContent: React.FC<Props> = ({ objectId, projectId }) => {
   const services = useAppServices();
   const repository = React.useMemo(
     () =>
@@ -112,6 +115,9 @@ export const WorksPageContent: React.FC<Props> = ({ objectId }) => {
 
   return (
     <div className={styles.page}>
+      <RouteLink className={styles.backLink} to={{ page: 'objects', projectId }}>
+        {WORKS_TEXTS.backToObjects}
+      </RouteLink>
       <TreePageHeader icon="clipboard" title={data.headerLabel} />
       <div className={styles.container}>
         {data.canEdit && <div className={styles.toolbar}>{addButton(WORKS_TEXTS.addWork)}</div>}

src/webparts/stroyBot/pages/works/texts.ts

@@ -2,6 +2,7 @@
 
 export const WORKS_TEXTS = {
   defaultHeader: 'ОБЪЕКТЫ ПРОЕКТА',
+  backToObjects: '← К объектам',
   addWork: 'Добавить работу',
   addFirst: '+ Добавить работу',
   columns: {