feat: phase 4 - frontend groups UI, permission-matrix, usePermission hook, field-level permissions tab, authStore permissions

frontend/src/store/authStore.ts

@@ -14,6 +14,9 @@ export interface User {
   role: string;
   avatar_url: string | null;
   tenants: Tenant[];
+  permissions?: string[];
+  is_system_admin?: boolean;
+  field_permissions?: Record<string, any>;
 }
 
 export interface AuthState {
@@ -26,6 +29,7 @@ export interface AuthState {
   setAuthenticated: (authed: boolean) => void;
   setLoading: (loading: boolean) => void;
   setError: (error: string | null) => void;
+  setPermissions: (perms: string[], isSystemAdmin: boolean, fieldPerms: Record<string, any>) => void;
   logout: () => void;
 }
 
@@ -45,6 +49,17 @@ export const useAuthStore = create<AuthState>((set) => ({
   setAuthenticated: (authed) => set({ isAuthenticated: authed }),
   setLoading: (loading) => set({ isLoading: loading }),
   setError: (error) => set({ error }),
+  setPermissions: (perms, isSystemAdmin, fieldPerms) =>
+    set((state) => ({
+      user: state.user
+        ? {
+            ...state.user,
+            permissions: perms,
+            is_system_admin: isSystemAdmin,
+            field_permissions: fieldPerms,
+          }
+        : null,
+    })),
   logout: () =>
     set({
       user: null,