feat(ram): App 安装 API 支持 GrantRoles（安装时 RAM 角色授权）+ ManageCompanies 返回租户角色列表

gvsds/apps/gerp/views/app.py

@@ -221,7 +221,15 @@ class AppManageCompaniesView(ELTAuthenticatedAPIView):
             if app_uuid_str:
                 row['Installed'] = 1 if install_map.get(c, 0) else 0
             rows.append(row)
-        return Response({'code': 0, 'data': {'Scope': scope, 'Companies': rows}})
+        # RAM 角色粒度授权候选：当前租户启用角色列表（安装弹窗选角色用）
+        roles = []
+        tenant_bytes = _GetTenantBytes(request)
+        if tenant_bytes:
+            from gvsdsdk.models import Role as SdkRole
+            for r in SdkRole.objects.filter(
+                    TenantUUID=tenant_bytes, RoleStatus=1).order_by('RoleName'):
+                roles.append({'RoleUUID': UUIDObj(r.RoleUUID).str, 'RoleName': r.RoleName})
+        return Response({'code': 0, 'data': {'Scope': scope, 'Companies': rows, 'Roles': roles}})
 
 
 class AppInstallView(ELTAuthenticatedAPIView):