fix(pl): 区分用证详情权限失败与网络异常以保留完整账目保护。

web-admin/scripts/quota-mobile-state.test.ts

@@ -350,3 +350,28 @@ test('plan expansion loads on demand, preserves total during refresh and ignores
   assert.deepEqual(Object.keys(s.details), [])
   h.stop()
 })
+
+for (const status of [403, 404, 500, undefined])
+  test(`plan expansion reports ${status || 'network'} failure without showing partial usage`, async () => {
+    const h = pageHarness('quota', { mobile: false }),
+      s = h.state
+    const pending = s.loadDetail('plan')
+    h.gets[0].reject(status ? { response: { status } } : new Error('network'))
+    await pending
+    assert.equal(
+      s.details.plan.error,
+      [403, 404].includes(status as number)
+        ? '计划或证件不可读取，无法展示完整用证详情'
+        : '段次用证加载失败，请重试'
+    )
+    assert.equal(s.details.plan.data, undefined)
+    assert.equal(s.details.plan.loading, false)
+    if (status === 500) {
+      const retry = s.loadDetail('plan')
+      h.gets[1].resolve({ planId: 'plan', sourceOptions: [], usages: [] })
+      await retry
+      assert.equal(s.details.plan.error, undefined)
+      assert.equal(s.details.plan.data.planId, 'plan')
+    }
+    h.stop()
+  })