fix: align task due dates to the right

frontend/src/lib/performance.test.ts

@@ -159,6 +159,31 @@ describe('request generation protection', () => {
     expect(events).toEqual(['new:new', 'new:finally'])
   })
 
+  it('returns whether a latest request committed successfully', async () => {
+    await expect(runLatestRequest('trash-result-success', async () => 'ok', {
+      success: () => undefined,
+      error: () => undefined,
+      finally: () => undefined,
+    })).resolves.toBe(true)
+    await expect(runLatestRequest('trash-result-failure', async () => { throw new Error('offline') }, {
+      success: () => undefined,
+      error: () => undefined,
+      finally: () => undefined,
+    })).resolves.toBe(false)
+  })
+
+  it('returns false when a request becomes stale before it settles', async () => {
+    let finish!: () => void
+    const request = runLatestRequest('trash-result-stale', () => new Promise<void>((resolve) => { finish = resolve }), {
+      success: () => undefined,
+      error: () => undefined,
+      finally: () => undefined,
+    })
+    beginLatestRequest('trash-result-stale')
+    finish()
+    await expect(request).resolves.toBe(false)
+  })
+
   it('prevents a stale Trash rejection from surfacing after a new view starts', async () => {
     const events: string[] = []
     let rejectOld!: (reason: Error) => void