[FEAT] 實作角色權限分類、租戶角控管理與介面多語系優化

1. [FEAT] 權限劃分為「系統層級」與「客戶層級」，並在後端強制過濾跨權限分配。
2. [FEAT] 整合選單權限至主選單層級 (基本設定、權限設定)，簡化角色管理 UI。
3. [STYLE] 側邊欄優化：補齊多語系翻譯，並為基本設定子選單增加視覺圖示。
4. [REFACTOR] 更新 RoleSeeder，將 tenant-admin 重新分類為客戶層級角色。

lang/en.json

@@ -140,13 +140,15 @@
     "Clear Stock": "Clear Stock",
     "APK Versions": "APK Versions",
     "Discord Notifications": "Discord Notifications",
+    "Basic Settings": "Basic Settings",
+    "Machine Settings": "Machine Settings",
     "Permission Settings": "Permission Settings",
     "APP Features": "APP Features",
     "Sales": "Sales",
     "Others": "Others",
     "AI Prediction": "AI Prediction",
-    "Roles": "Roles",
-    "Role Management": "Role Management",
+    "Roles": "Role Permissions",
+    "Role Management": "Role Permission Management",
     "Define and manage security roles and permissions.": "Define and manage security roles and permissions.",
     "Search roles...": "Search roles...",
     "No permissions": "No permissions",
@@ -162,6 +164,11 @@
     "Permissions": "Permissions",
     "Users": "Users",
     "System role name cannot be modified.": "System role name cannot be modified.",
+    "The Super Admin role name cannot be modified.": "The Super Admin role name cannot be modified.",
+    "System Level": "System Level",
+    "Company Level": "Company Level",
+    "Global roles accessible by all administrators.": "Global roles accessible by all administrators.",
+    "Roles scoped to specific customer companies.": "Roles scoped to specific customer companies.",
     "members": "Member Management",
     "machines": "Machine Management",
     "app": "APP Management",
@@ -176,8 +183,9 @@
     "special-permission": "Special Permission",
     "companies": "Customer Management",
     "accounts": "Account Management",
-    "roles": "Role Settings",
-    "Role Settings": "Role Settings",
+    "roles": "Role Permissions",
+    "Role Permissions": "Role Permissions",
+    "Role Settings": "Role Permissions",
     "No login history yet": "No login history yet",
     "Signed in as": "Signed in as",
     "Logout": "Logout",
@@ -268,5 +276,7 @@
     "Unknown": "Unknown",
     "Info": "Info",
     "Warning": "Warning",
+    "basic-settings": "Basic Settings",
+    "permissions": "Permission Settings",
     "Error": "Error"
 }