fix(client): preserve order category counts while refreshing

src/modules/first-leg/store/firstLegWorkbench.test.mjs

@@ -131,3 +131,40 @@ test('retains server progress and rejects missing or foreign progress without in
   response = result(); delete response.queues.cleared
   await h.store.load(); assert.match(h.store.loadError, /分页数据不完整/)
 })
+
+
+test('category counts remain visible throughout refresh and update together after the response is validated', async t => {
+  const pending = deferred()
+  let refreshing = false
+  const h = harness(t, () => refreshing ? pending.promise : result())
+  await h.store.load()
+  const counts = h.store.queueCounts
+  refreshing = true
+  const request = h.store.load({ queue: 'fee' })
+  assert.equal(h.store.loading, true)
+  assert.equal(h.store.queueCounts, counts)
+  assert.equal(h.store.queueCounts.fee, 2)
+  const updated = result(1, 10, 3)
+  updated.queues = { ...updated.queues, all: 216, fee: 3 }
+  pending.resolve(updated)
+  await request
+  assert.equal(h.store.queueCounts.all, 216)
+  assert.equal(h.store.queueCounts.fee, 3)
+  assert.equal(h.store.loading, false)
+})
+
+test('rapid category switches preserve counts and ignore an older response while the newest request is pending', async t => {
+  const older = deferred(), latest = deferred()
+  const h = harness(t, q => q.queue === 'fee' ? older.promise : q.queue === 'customs' ? latest.promise : result())
+  await h.store.load()
+  const oldRequest = h.store.load({ queue: 'fee' })
+  const newRequest = h.store.load({ queue: 'customs' })
+  const oldResult = result(1, 10, 2); oldResult.queues.all = 999
+  older.resolve(oldResult); await oldRequest
+  assert.equal(h.store.queueCounts.all, 215)
+  assert.equal(h.store.loading, true)
+  const newResult = result(1, 10, 1); newResult.queues.all = 216
+  latest.resolve(newResult); await newRequest
+  assert.equal(h.store.queueCounts.all, 216)
+  assert.equal(h.store.total, 1)
+})