Merge remote-tracking branch 'origin/master' into fix/web-transcript-projection

# Conflicts:
#	packages/client/ui-conversation/README.i18n.yaml

apps/web/tests/scaffold.ts

@@ -33,6 +33,10 @@ import Loader from '@cordisjs/plugin-loader'
 import Include, { type PatchOptions } from '@cordisjs/plugin-include'
 import { scrubRequestHeaders } from '@deepseek-ai/dsh-acp-snapshot'
 import { assertEntriesLoaded, loadOverlayPatches } from '@deepseek-ai/dsh-app-boot'
+import {
+  WELCOME_NOTICE_ACK_FIELD, WELCOME_NOTICE_SETTINGS_NAMESPACE, WELCOME_NOTICE_VERSION,
+} from '@deepseek-ai/dsh-client-ui-settings-general'
+import { settingsNamespace } from '@deepseek-ai/dsh-settings'
 import type { ReplayHandle } from '@deepseek-ai/dsh-llm-replay'
 import { installLlmReplay, parseSessionLog } from '@deepseek-ai/dsh-llm-replay'
 import SessionStore, {
@@ -136,6 +140,8 @@ export interface LaunchOptions {
    * keyless first-run configuration lane; the default disables the adapter.
    */
   deepSeekMissingCredential?: boolean
+  /** Leave the current welcome notice unacknowledged; ordinary scenarios publish it as complete before browser boot. */
+  welcomeNoticePending?: boolean
 }
 
 /** Dispose the booted tree and remove both owned temp roots, reporting every independent cleanup failure. */
@@ -267,6 +273,11 @@ 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('httpServer')?.port
     if (boundPort === undefined) {
       throw new Error('web e2e scaffold: httpServer service missing after settled boot')