Description

补全 OpenWarp 当前分支中真实用户界面仍可见的英文固定文案国际化，覆盖终端输入区、Agent/会话界面、设置、Code Review、Drive 分享、Notebook/Workflow、workspace/onboarding 等界面文案，并同步补齐 en 与 zh-CN Fluent 资源。

主要改动：

• 将用户可见英文文案迁移到 crate::t! / crate::t_static! / t_or 等本地化入口。
• 为 crates/onboarding 增加 app 注入的本地化回调，使 onboarding callout 能复用 app i18n 资源。
• 修复 OpenWarp 启动弹窗 render 路径使用 t_static! 的泄漏风险，改为运行时 crate::t! 字符串。
• 修复 FTL 文案中的显式空格，避免 trailing whitespace 检查失败。

说明：当前 PR 仍包含部分非功能性 rustfmt churn，后续 review 如需可以继续清理成更窄的 i18n-only diff。

Testing

• git diff --check origin/main
• cargo fmt --check
• FTL key 对齐脚本：en=2620、zh=2620，无重复、无缺失、无额外 key
• ./script/run --dont-open 生成 app bundle
• 打开本地构建 /Users/staff/project/AI/warp/target/debug/current-OpenWarp.app
• 验证启动进程来自当前仓库：target/debug/current-OpenWarp.app/Contents/MacOS/warp-oss
• 验证窗口状态：frontmost=true, visible=true, windows=1

未运行完整 ./script/presubmit，因为本次改动面较大且本地完整 presubmit 成本较高；先以 draft PR 收集 review。

Server API dependencies

• Is this change necessary to make the client compatible with a desired server API breaking change?
• Does this change rely on a new server API?
  • If so, is the use of this API restricted to client channels that rely on the staging server (e.g. WarpDev)?
• Is this change enabling the use of a server API on client channels that rely on the production server (e.g. WarpStable)?
  • If so, has the new server API been stable on production for at least one server release cycle? See here for more details.

Agent Mode

• Warp Agent Mode - This PR was created via Warp's AI Agent Mode

Co-Authored-By: Warp [email protected]