Show a bare dash on ownerless school cards.

The design asked for the owner name or an em dash; wrapping the dash in the Owner template produced Хозяин: —. Low-speed clock tests now cover x1/2 and x2 as well as x1.

src/HSchool.Client/src/ui/mainMenu.test.ts

@@ -37,8 +37,11 @@ describe('MainMenu ownership', () => {
     const orphan = menu.element.querySelector('[data-school-id="3"]');
     expect((foreign?.querySelector('.button--danger') as HTMLElement).hidden).toBe(true);
     expect((orphan?.querySelector('.button--danger') as HTMLElement).hidden).toBe(false);
-    expect(foreign?.textContent).toContain('Bob');
-    expect(orphan?.textContent).toContain(t('schoolOwnerless'));
+    expect(foreign?.querySelector('.card__owner')?.textContent).toBe(t('schoolOwner', { owner: 'Bob' }));
+    expect(orphan?.querySelector('.card__owner')?.textContent).toBe(t('schoolOwnerless'));
+    expect(orphan?.querySelector('.card__owner')?.textContent).not.toBe(
+      t('schoolOwner', { owner: t('schoolOwnerless') }),
+    );
   });
 });
 

src/HSchool.Client/src/ui/mainMenu.ts

@@ -181,7 +181,8 @@ export class MainMenu {
       const menuSchool: MenuSchool = { ...other, mine: false };
       this.patchCard(menuSchool, 'other', this.othersGrid, {
         canDelete: other.owner === null,
-        ownerLabel: other.owner ?? t('schoolOwnerless'),
+        ownerLabel:
+          other.owner === null ? t('schoolOwnerless') : t('schoolOwner', { owner: other.owner }),
       });
     }
 

src/HSchool.Client/src/ui/schoolCard.test.ts

@@ -2,6 +2,7 @@
  * @vitest-environment happy-dom
  */
 import { describe, expect, it } from 'vitest';
+import { t } from '../i18n/strings.ts';
 import { SchoolCard } from './schoolCard.ts';
 
 describe('SchoolCard ownership', () => {
@@ -21,12 +22,41 @@ describe('SchoolCard ownership', () => {
         onOpen: () => {},
         onDelete: () => {},
         canDelete: false,
-        ownerLabel: 'Bob',
+        ownerLabel: t('schoolOwner', { owner: 'Bob' }),
       },
     );
 
     document.body.append(card.element);
 
     expect((card.element.querySelector('.button--danger') as HTMLElement).hidden).toBe(true);
+    expect(card.element.querySelector('.card__owner')?.textContent).toBe(t('schoolOwner', { owner: 'Bob' }));
+  });
+
+  it('shows a bare dash on an ownerless card, not Owner: —', () => {
+    const card = new SchoolCard(
+      {
+        id: 3,
+        name: 'Orphan',
+        gameTime: '2012-03-31T06:00:00.000Z',
+        running: true,
+        speedIndex: 1,
+        seed: 2,
+        mine: false,
+        owner: null,
+      },
+      {
+        onOpen: () => {},
+        onDelete: () => {},
+        canDelete: true,
+        ownerLabel: t('schoolOwnerless'),
+      },
+    );
+
+    document.body.append(card.element);
+
+    expect(card.element.querySelector('.card__owner')?.textContent).toBe(t('schoolOwnerless'));
+    expect(card.element.querySelector('.card__owner')?.textContent).not.toBe(
+      t('schoolOwner', { owner: t('schoolOwnerless') }),
+    );
   });
 });

src/HSchool.Client/src/ui/schoolCard.ts

@@ -68,6 +68,7 @@ export class SchoolCard {
     this.update(this.school);
   }
 
+  /** `label` is already painted: `Owner: Bob` or a bare dash — do not wrap it again. */
   setOwnerLabel(label: string | null): void {
     if (label === null) {
       this.owner.hidden = true;
@@ -76,7 +77,7 @@ export class SchoolCard {
     }
 
     this.owner.hidden = false;
-    this.owner.textContent = t('schoolOwner', { owner: label });
+    this.owner.textContent = label;
   }
 
   update(school: MenuSchool): void {