feat : mise à jour de la structure du projet

frontend/app/middleware/auth.global.ts

@@ -0,0 +1,23 @@
+export default defineNuxtRouteMiddleware(async (to) => {
+    const auth = useAuthStore()
+    const isLogin = to.path === '/login'
+
+    if (!auth.checked) {
+        await auth.ensureSession()
+    }
+
+    if (!isLogin && !auth.isAuthenticated) {
+        return navigateTo('/login')
+    }
+
+    if (isLogin && auth.isAuthenticated) {
+        return navigateTo('/')
+    }
+
+    if (auth.isAuthenticated) {
+        const { loaded, loadSidebar } = useSidebar()
+        if (!loaded.value) {
+            await loadSidebar()
+        }
+    }
+})

frontend/app/middleware/modules.global.ts

@@ -0,0 +1,18 @@
+export default defineNuxtRouteMiddleware(async (to) => {
+    const auth = useAuthStore()
+
+    // Don't block routes for unauthenticated users — auth middleware handles them first.
+    if (!auth.isAuthenticated) {
+        return
+    }
+
+    const { loaded, loadSidebar, isRouteDisabled } = useSidebar()
+
+    if (!loaded.value) {
+        await loadSidebar()
+    }
+
+    if (isRouteDisabled(to.path)) {
+        return navigateTo('/')
+    }
+})