refactor(modules): update classes, course-plans, diagnostic, questions, settings, student, layout

- Update classes data-access (invitations, main) for invitation management

- Update course-plans actions, data-access, and types

- Update diagnostic data-access for report queries

- Update questions data-access for question bank queries

- Update settings actions, ai-provider-settings-card, data-access, and types

- Update student course-filters, student-courses-view, student-schedule-filters, student-schedule-view

- Update layout app-sidebar, site-header, and navigation config

src/modules/layout/components/app-sidebar.tsx

@@ -4,6 +4,7 @@ import * as React from "react"
 import Link from "next/link"
 import { usePathname } from "next/navigation"
 import { ChevronRight } from "lucide-react"
+import { useTranslations } from "next-intl"
 
 import {
   Collapsible,
@@ -31,6 +32,8 @@ export function AppSidebar({ mode }: AppSidebarProps) {
   const { expanded, toggleSidebar, isMobile } = useSidebar()
   const pathname = usePathname()
   const { permissions, hasRole } = usePermission()
+  const tNav = useTranslations("nav")
+  const tCommon = useTranslations("common")
 
   // 自动检测当前角色（优先级 admin > student > parent > teacher）
   // 注意：grade_head / teaching_head 统一归入 teacher，因为 teacher 导航已通过
@@ -86,6 +89,7 @@ export function AppSidebar({ mode }: AppSidebarProps) {
             {navItems.map((item, index) => {
               const isActive = pathname.startsWith(item.href)
               const hasChildren = item.items && item.items.length > 0
+              const title = tNav(item.title)
 
               if (!expanded && !isMobile) {
                 // Collapsed Mode (Icon Only + Tooltip)
@@ -100,10 +104,10 @@ export function AppSidebar({ mode }: AppSidebarProps) {
                         )}
                       >
                         <item.icon className="size-5" />
-                        <span className="sr-only">{item.title}</span>
+                        <span className="sr-only">{title}</span>
                       </Link>
                     </TooltipTrigger>
-                    <TooltipContent side="right">{item.title}</TooltipContent>
+                    <TooltipContent side="right">{title}</TooltipContent>
                   </Tooltip>
                 )
               }
@@ -121,7 +125,7 @@ export function AppSidebar({ mode }: AppSidebarProps) {
                       >
                         <div className="flex items-center gap-2">
                           <item.icon className="size-4" />
-                          <span>{item.title}</span>
+                          <span>{title}</span>
                         </div>
                         <ChevronRight className="text-muted-foreground size-4 transition-transform duration-200 group-data-[state=open]/collapsible:rotate-90" />
                       </button>
@@ -137,7 +141,7 @@ export function AppSidebar({ mode }: AppSidebarProps) {
                               pathname === subItem.href && "text-foreground font-medium"
                             )}
                           >
-                            {subItem.title}
+                            {tNav(subItem.title)}
                           </Link>
                         ))}
                       </div>
@@ -156,7 +160,7 @@ export function AppSidebar({ mode }: AppSidebarProps) {
                   )}
                 >
                   <item.icon className="size-4" />
-                  <span>{item.title}</span>
+                  <span>{title}</span>
                   {item.href === "/messages" ? <UnreadMessageBadge /> : null}
                 </Link>
               )
@@ -172,7 +176,7 @@ export function AppSidebar({ mode }: AppSidebarProps) {
              onClick={toggleSidebar}
              className="hover:bg-sidebar-accent text-sidebar-foreground flex w-full items-center justify-center rounded-md border p-2 text-sm transition-colors"
            >
-             {expanded ? "收起" : <ChevronRight className="size-4" />}
+             {expanded ? tCommon("sidebar.collapse") : <ChevronRight className="size-4" />}
            </button>
         )}
       </div>