Merge branch 'codex/disable-telemetry-default' into master

Resolved conflicts:
- packages/client/ui-settings-general/README.md, README.zh.md: kept PR
  opt-in telemetry description (DSH_TELEMETRY_MODE)
- scripts/snapshots/translation-prompt-v4: kept master's newer README
  structure snapshot
- i18n.yaml pairing records: resolved per file state
- pnpm-lock.yaml: regenerated
- Modify/delete conflicts (scaffold/telemetry, sdk-follow-up-capabilities):
  kept master deletions

apps/web/tests/snapshots/onboarding-deepseek-config/models.expected.md

@@ -7,9 +7,15 @@
     - button "模型":
       - img
       - text: 模型
+    - button "插件":
+      - img
+      - text: 插件
     - button "Agent 预设":
       - img
       - text: Agent 预设
+    - button "插件配置":
+      - img
+      - text: 插件配置
   - button "打开配置文件"
   - button "关闭":
     - img