fix(frontend) : ERP-26/27 - review fixes: shared types, accents i18n, escape key, self-edit refresh, row-clickable guard

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/shared/types/rbac.ts

@@ -0,0 +1,31 @@
+export interface Permission {
+    id: number
+    code: string
+    label: string
+    module: string
+    orphan: boolean
+}
+
+export interface Role {
+    id: number
+    code: string
+    label: string
+    description: string | null
+    isSystem: boolean
+    permissions: (Permission | string)[]
+}
+
+export interface UserListItem {
+    id: number
+    username: string
+    isAdmin: boolean
+    roles: string[]
+    directPermissions: string[]
+}
+
+export interface EffectivePermission {
+    code: string
+    label: string
+    module: string
+    sources: string[]
+}