feat(i18n): 集成 vue-i18n 并配置多语言支持

(cherry picked from commit 15c9509318dd7d48c081c4ae4846598d9affb344)

package.json

@@ -17,6 +17,7 @@
     "format:prettier": "prettier --write src/",
     "type-check": "vue-tsc --build",
     "lint": "run-s lint:*",
+    "lint:vue-i18n-extract": "vue-i18n-extract report --vueFiles './src/**/*.?(ts|tsx|vue)' --languageFiles './src/locales/*.?(json|yml|yaml|js)' --ci",
     "lint:stylelint": "stylelint \"**/*.{css,less,scss,vue}\" --fix --ignore-path .gitignore",
     "lint:oxlint": "oxlint . --fix -D correctness --ignore-path .gitignore",
     "lint:eslint": "eslint . --fix",
@@ -121,6 +122,7 @@
     "vite-plugin-vue-meta-layouts": "^0.6.1",
     "vite-plugin-webfont-dl": "^3.11.1",
     "vitest": "^3.2.4",
+    "vue-i18n-extract": "^2.0.7",
     "vue-macros": "3.1.1",
     "vue-tsc": "^3.1.0",
     "wrangler": "^4.37.1"