Fix CodeRabbit review feedback

stats/src/lib/delete-confirm.test.ts

@@ -219,7 +219,7 @@ test('confirmDayGroupDelete uses singular for one session', async () => {
 
   try {
     assert.equal(await confirmDayGroupDelete('Yesterday', 1), true);
-    assert.deepEqual(calls, ['Delete all 1 session from Yesterday and all associated data?']);
+    assert.deepEqual(calls, ['Delete this session from Yesterday and all associated data?']);
   } finally {
     globalThis.confirm = originalConfirm;
   }

stats/src/lib/delete-confirm.ts

@@ -44,8 +44,13 @@ export function confirmSessionDelete(): Promise<boolean> {
 }
 
 export function confirmDayGroupDelete(dayLabel: string, count: number): Promise<boolean> {
+  if (count === 1) {
+    return confirmWithStatsNativeDialogLayer(
+      `Delete this session from ${dayLabel} and all associated data?`,
+    );
+  }
   return confirmWithStatsNativeDialogLayer(
-    `Delete all ${count} session${count === 1 ? '' : 's'} from ${dayLabel} and all associated data?`,
+    `Delete all ${count} sessions from ${dayLabel} and all associated data?`,
   );
 }