style: run prettier formatter over src and tests

tests/unit/hooks/use-scroll-sync.test.ts

@@ -13,7 +13,9 @@ describe('useScrollSync', () => {
   it('throttles editor scroll events to 60fps', () => {
     const onScroll = vi.fn();
     const { result } = renderHook(() => useScrollSync({ onEditorScroll: onScroll }));
-    const mockEvt = { currentTarget: { scrollTop: 100, scrollHeight: 1000, clientHeight: 200 } } as any;
+    const mockEvt = {
+      currentTarget: { scrollTop: 100, scrollHeight: 1000, clientHeight: 200 },
+    } as any;
     // All calls within the same act() - performance.now() stays at 0
     // First call passes, subsequent calls within FRAME_MS are throttled
     act(() => {

tests/unit/hooks/use-shortcut.test.ts

@@ -95,7 +95,12 @@ describe('useShortcut', () => {
   it('calls preventDefault when the shortcut matches', () => {
     const cb = vi.fn();
     renderHook(() => useShortcut('mod+s', cb));
-    const event = new KeyboardEvent('keydown', { key: 's', ctrlKey: true, bubbles: true, cancelable: true });
+    const event = new KeyboardEvent('keydown', {
+      key: 's',
+      ctrlKey: true,
+      bubbles: true,
+      cancelable: true,
+    });
     window.dispatchEvent(event);
     expect(event.defaultPrevented).toBe(true);
   });
@@ -103,7 +108,12 @@ describe('useShortcut', () => {
   it('does NOT call preventDefault when the shortcut does NOT match', () => {
     const cb = vi.fn();
     renderHook(() => useShortcut('mod+s', cb));
-    const event = new KeyboardEvent('keydown', { key: 'x', ctrlKey: true, bubbles: true, cancelable: true });
+    const event = new KeyboardEvent('keydown', {
+      key: 'x',
+      ctrlKey: true,
+      bubbles: true,
+      cancelable: true,
+    });
     window.dispatchEvent(event);
     expect(event.defaultPrevented).toBe(false);
   });