feat(ui): add locales and split catalogs

Adds Spanish, French, Russian, Japanese, and Simplified Chinese catalogs and wires supported locales into the i18n layer.

packages/ui/src/lib/i18n/messages/zh-Hans/folderSelection.ts

@@ -0,0 +1,34 @@
+export const folderSelectionMessages = {
+  "folderSelection.logoAlt": "CodeNomad 徽标",
+  "folderSelection.tagline": "选择文件夹，开始与 AI 一起编码",
+
+  "folderSelection.links.github": "CodeNomad 的 GitHub",
+  "folderSelection.links.githubStars": "CodeNomad GitHub Star 数",
+  "folderSelection.links.discord": "CodeNomad 的 Discord",
+
+  "folderSelection.empty.title": "没有最近的文件夹",
+  "folderSelection.empty.description": "浏览并选择文件夹以开始使用",
+
+  "folderSelection.recent.title": "最近的文件夹",
+  "folderSelection.recent.subtitle.one": "{count} 个文件夹可用",
+  "folderSelection.recent.subtitle.other": "{count} 个文件夹可用",
+  "folderSelection.recent.remove": "从最近列表移除",
+
+  "folderSelection.browse.title": "浏览文件夹",
+  "folderSelection.browse.subtitle": "选择你电脑上的任意文件夹",
+  "folderSelection.browse.button": "浏览文件夹",
+  "folderSelection.browse.buttonOpening": "正在打开...",
+
+  "folderSelection.advancedSettings": "高级设置",
+
+  "folderSelection.hints.navigate": "导航",
+  "folderSelection.hints.select": "选择",
+  "folderSelection.hints.remove": "移除",
+  "folderSelection.hints.browse": "浏览",
+
+  "folderSelection.loading.title": "正在启动实例...",
+  "folderSelection.loading.subtitle": "正在准备你的工作区，请稍候。",
+
+  "folderSelection.dialog.title": "选择工作区",
+  "folderSelection.dialog.description": "选择工作区以开始编码。",
+} as const