Update server titles, web/desktop window/tray/document titles, login
copy, and electron build metadata to use the Chinese product name 省心推.
Drop the runtime locale switcher and en-US import — the app now ships
zh-CN only.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Adds an in-process Swagger UI and OpenAPI JSON under /swagger,
registered automatically when the Gin mode is not release. The
admin-web Vite dev server and production nginx config now proxy
/swagger to the tenant API so the docs are reachable from the
existing admin host.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>