feat(web): unify onboarding dialogs

apps/web/tests/scaffold.ts

@@ -41,6 +41,7 @@ import {
   loadOverlayPatches,
 } from '@deepseek-ai/dsh-app-boot'
 import { dshHomePath } from '@deepseek-ai/dsh-home-paths'
+import { settingsNamespace } from '@deepseek-ai/dsh-settings'
 import { LlmAdapter } from '@deepseek-ai/dsh-llm'
 import type {
   LlmModelInfo, LlmProviderInfo, LlmResolvedModelInfo, StreamChunk,
@@ -62,6 +63,25 @@ import type {} from '@deepseek-ai/dsh-agent'
 import { provideCmdline } from '@deepseek-ai/dsh-cmdline'
 import { REPO_ROOT, requireDist } from './support.ts'
 
+// Host-side web e2e cannot import a browser package: doing so would pull that
+// package's complete TS project into this graph. Mirrored from
+// packages/client/ui-settings-models/src/onboarding-copy.ts; drift makes the
+// default pre-acknowledgement stop suppressing the notice and fails loudly.
+// import {
+//   WELCOME_NOTICE_ACK_FIELD, WELCOME_NOTICE_SETTINGS_NAMESPACE,
+//   WELCOME_NOTICE_VERSION, WELCOME_NOTICE_COPY,
+// } from '@deepseek-ai/dsh-client-ui-settings-models'
+export const WELCOME_NOTICE_SETTINGS_NAMESPACE = 'ui-onboarding'
+export const WELCOME_NOTICE_ACK_FIELD = 'welcomeNoticeVersion'
+export const WELCOME_NOTICE_VERSION = '2026-08-13.1'
+export const WELCOME_NOTICE_COPY = {
+  zh: {
+    title: '内测声明',
+    body: 'DeepSeek Harness 目前的 0.1 版本仍处在面向 Harness 开发者进行测试的阶段，还有许多地方需要持续改进和打磨，希望听取广大开发者的反馈建议。预计 DeepSeek Harness 的核心插件以及基础 API 都会在接下来的一段时间内快速迭代、持续演化。\n\n我们期待与全球开发者一起，在开源、开放、可复用、可组合的基础设施之上，共同探索智能上限。欢迎全球 Harness 开发者加入 DSH 插件生态。',
+    continueLabel: '继续',
+  },
+} as const
+
 /** Snapshot mode for the lane, from $DSH_SNAPSHOT (same vocabulary as the other snapshot suites). */
 export type WebSnapshotMode = 'replay' | 'record' | 'refresh'
 
@@ -213,6 +233,8 @@ export interface LaunchOptions {
    * keyless first-run configuration lane; the default disables the adapter.
    */
   deepSeekMissingCredential?: boolean
+  /** Leave the current welcome notice pending; ordinary scenarios pre-acknowledge it before browser boot. */
+  welcomeNoticePending?: boolean
   /**
    * Patch the shipped DeepSeek search row to a deterministic endpoint and
    * credential reference. Browser search scenarios keep the real provider and
@@ -510,6 +532,11 @@ export async function launchWebScaffold(options: LaunchOptions = {}): Promise<We
     })
     await ctx.loader.await()
     assertEntriesLoaded(ctx, 'web e2e scaffold')
+    if (options.welcomeNoticePending !== true) {
+      await ctx.settings.mutate(settingsNamespace(WELCOME_NOTICE_SETTINGS_NAMESPACE), [{
+        op: 'set', path: [WELCOME_NOTICE_ACK_FIELD], value: WELCOME_NOTICE_VERSION,
+      }])
+    }
     const boundPort = ctx.get('webServer')?.port
     if (boundPort === undefined) {
       throw new Error('web e2e scaffold: webServer service missing after settled boot')