feat(history): complete messaging core before multi-account gateways

tests/e2e/inbox-ai-live.spec.ts

@@ -32,6 +32,10 @@ test.describe('真实收件箱 AI 交互', () => {
     await expect(customerBubble.first()).toHaveClass(/animate-message-in-left/)
     const agentBubble = page.locator('[data-testid="message-bubble"][data-sender="agent"]')
     await expect(agentBubble.first()).toHaveClass(/animate-message-in-right/)
+    const outgoingChineseNotes = page.getByTestId('outgoing-chinese-note')
+    await expect.poll(() => outgoingChineseNotes.count()).toBeGreaterThan(0)
+    await expect(outgoingChineseNotes.first()).toContainText('中文备注 · 仅内部可见')
+    await expect(outgoingChineseNotes.first()).toContainText(/[\u3400-\u9fff]/u)
     await page.getByTitle('客户洞察').click()
     await expect(page.getByText('成交概率', { exact: true })).toBeVisible()
     await expect(page.getByText('分析可信度', { exact: true })).toBeVisible()
@@ -49,6 +53,10 @@ test.describe('真实收件箱 AI 交互', () => {
     await page.getByRole('button', { name: '生成回复建议', exact: true }).click()
     const adoptButtons = page.getByRole('button', { name: '采用', exact: true })
     await expect(adoptButtons).toHaveCount(3, { timeout: 30_000 })
+    const translationPreviews = page.getByTestId('ai-reply-translation')
+    await expect(translationPreviews).toHaveCount(3)
+    await expect(translationPreviews.first()).toContainText(/[\u3400-\u9fff]/u)
+    await expect(translationPreviews.first()).toContainText('中文参考 · 不会发送')
     await adoptButtons.first().click()
 
     const composer = page.getByPlaceholder('输入回复内容，Enter 发送，Shift+Enter 换行')