feat(m11): add v-permission directive and button-level permission codes

web/delivery-platform-ui/src/directives/permission.js

@@ -0,0 +1,27 @@
+import { useAuthStore } from '../stores/auth'
+
+export default {
+  mounted(el, binding) {
+    const auth = useAuthStore()
+    const requiredPermission = binding.value
+
+    if (!requiredPermission) return
+
+    const userPermissions = auth.permissions || []
+
+    const hasPermission = userPermissions.some(p => {
+      if (typeof p === 'string') {
+        if (requiredPermission.endsWith(':*')) {
+          const prefix = requiredPermission.slice(0, -2)
+          return p.startsWith(prefix)
+        }
+        return p === requiredPermission || p === '*:*'
+      }
+      return false
+    })
+
+    if (!hasPermission) {
+      el.parentNode?.removeChild(el)
+    }
+  }
+}