feat(i18n): add new i18n message files and update request config

- Add new i18n message files: audit, course-plans, files, leave, nav, practice, scheduling, student, users

- Update existing i18n messages: ai, attendance, common, diagnostic, elective, error-book, exam-homework, grades, lesson-preparation, school, settings

- Update i18n request config for new locale handling

src/shared/i18n/messages/zh-CN/settings.json

@@ -217,6 +217,16 @@
       "apiKeyPlaceholder": "粘贴新密钥以替换",
       "apiKeyDesc": "已有密钥不会显示。留空则保留当前密钥。",
       "setDefault": "设为默认",
+      "visibility": "可见性",
+      "visibilityDesc": "公开 Provider 由管理员发布，全员可用；私有 Provider 仅创建者可见。",
+      "visibilityPublic": "公开",
+      "visibilityPrivate": "私有",
+      "visibilityPublicLabel": "公开（全员可用）",
+      "visibilityPrivateLabel": "私有（仅自己可见）",
+      "visibilityReadOnly": "仅管理员可修改可见性",
+      "badgePublic": "公开",
+      "badgePrivate": "私有",
+      "badgeOwner": "我的",
       "test": "测试",
       "testing": "测试中...",
       "save": "保存修改",