feat(workspaces): implement workspace limits feature with backend integration and UI updates

surfsense_web/components/layout/providers/LayoutDataProvider.tsx

@@ -14,7 +14,7 @@ import { announcementsDialogAtom } from "@/atoms/layout/dialogs.atom";
 import { removeChatTabAtom, syncChatTabAtom, type Tab } from "@/atoms/tabs/tabs.atom";
 import { currentUserAtom } from "@/atoms/user/user-query.atoms";
 import { deleteWorkspaceMutationAtom } from "@/atoms/workspaces/workspace-mutation.atoms";
-import { workspacesAtom } from "@/atoms/workspaces/workspace-query.atoms";
+import { workspaceLimitsAtom, workspacesAtom } from "@/atoms/workspaces/workspace-query.atoms";
 import { ActionLogDialog } from "@/components/agent-action-log/action-log-dialog";
 import { AnnouncementSpotlight } from "@/components/announcements/AnnouncementSpotlight";
 import { AnnouncementsDialog } from "@/components/announcements/AnnouncementsDialog";
@@ -84,6 +84,7 @@ export function LayoutDataProvider({
 		refetch: refetchWorkspaces,
 		isSuccess: workspacesLoaded,
 	} = useAtomValue(workspacesAtom);
+	const { data: workspaceLimits } = useAtomValue(workspaceLimitsAtom);
 	const { mutateAsync: deleteWorkspace } = useAtomValue(deleteWorkspaceMutationAtom);
 	const currentThreadState = useAtomValue(currentThreadAtom);
 	const resetCurrentThread = useSetAtom(resetCurrentThreadAtom);
@@ -225,6 +226,13 @@ export function LayoutDataProvider({
 			createdAt: space.created_at,
 		}));
 	}, [workspacesData]);
+	const maxWorkspacesPerUser = workspaceLimits?.max_workspaces_per_user;
+	const ownedWorkspaceCount = workspaces.reduce(
+		(count, space) => count + (space.isOwner ? 1 : 0),
+		0
+	);
+	const isAtWorkspaceLimit =
+		maxWorkspacesPerUser !== undefined && ownedWorkspaceCount >= maxWorkspacesPerUser;
 
 	// Find active workspace from list, falling back to the route-scoped detail query.
 	const activeWorkspace: Workspace | null = useMemo(() => {
@@ -335,8 +343,14 @@ export function LayoutDataProvider({
 	);
 
 	const handleAddWorkspace = useCallback(() => {
+		if (isAtWorkspaceLimit) {
+			toast.error(
+				`Workspace limit reached. You can own at most ${maxWorkspacesPerUser} workspaces.`
+			);
+			return;
+		}
 		setIsCreateWorkspaceDialogOpen(true);
-	}, []);
+	}, [isAtWorkspaceLimit, maxWorkspacesPerUser]);
 
 	const setAnnouncementsDialog = useSetAtom(announcementsDialogAtom);
 
@@ -663,6 +677,8 @@ export function LayoutDataProvider({
 				onWorkspaceDelete={handleWorkspaceDeleteClick}
 				onWorkspaceSettings={handleWorkspaceSettings}
 				onAddWorkspace={handleAddWorkspace}
+				isAtWorkspaceLimit={isAtWorkspaceLimit}
+				maxWorkspacesPerUser={maxWorkspacesPerUser}
 				workspace={activeWorkspace}
 				navItems={navItems}
 				onNavItemClick={handleNavItemClick}

surfsense_web/components/layout/ui/dialogs/CreateWorkspaceDialog.tsx

@@ -6,6 +6,7 @@ import { useRouter } from "next/navigation";
 import { useTranslations } from "next-intl";
 import { useState } from "react";
 import { useForm } from "react-hook-form";
+import { toast } from "sonner";
 import * as z from "zod";
 import { createWorkspaceMutationAtom } from "@/atoms/workspaces/workspace-mutation.atoms";
 import { Button } from "@/components/ui/button";
@@ -87,6 +88,7 @@ export function CreateWorkspaceDialog({ open, onOpenChange }: CreateWorkspaceDia
 			);
 		} catch (error) {
 			console.error("Failed to create workspace:", error);
+			toast.error(error instanceof Error ? error.message : "Failed to create workspace");
 			setIsSubmitting(false);
 		}
 	};

surfsense_web/components/layout/ui/icon-rail/IconRail.tsx

@@ -20,6 +20,8 @@ interface IconRailProps {
 	onWorkspaceDelete?: (workspace: Workspace) => void;
 	onWorkspaceSettings?: (workspace: Workspace) => void;
 	onAddWorkspace: () => void;
+	isAtWorkspaceLimit?: boolean;
+	maxWorkspacesPerUser?: number;
 	isSingleRailMode?: boolean;
 	onNewChat?: () => void;
 	navItems?: NavItem[];
@@ -42,6 +44,8 @@ export function IconRail({
 	onWorkspaceDelete,
 	onWorkspaceSettings,
 	onAddWorkspace,
+	isAtWorkspaceLimit = false,
+	maxWorkspacesPerUser,
 	isSingleRailMode = false,
 	onNewChat,
 	navItems = [],
@@ -78,6 +82,10 @@ export function IconRail({
 				})),
 			]
 		: [];
+	const addWorkspaceLabel =
+		isAtWorkspaceLimit && maxWorkspacesPerUser !== undefined
+			? `Workspace limit reached: ${maxWorkspacesPerUser}`
+			: "Add workspace";
 
 	return (
 		<div className={cn("flex h-full w-14 min-h-0 flex-col items-center", className)}>
@@ -99,18 +107,21 @@ export function IconRail({
 
 					<Tooltip>
 						<TooltipTrigger asChild>
-							<Button
-								variant="ghost"
-								size="icon"
-								onClick={onAddWorkspace}
-								className="h-10 w-10 rounded-lg border-2 border-dashed border-muted-foreground/30 hover:border-muted-foreground/50"
-							>
-								<Plus className="h-5 w-5 text-muted-foreground" />
-								<span className="sr-only">Add workspace</span>
-							</Button>
+							<span className="inline-flex">
+								<Button
+									variant="ghost"
+									size="icon"
+									onClick={onAddWorkspace}
+									disabled={isAtWorkspaceLimit}
+									className="h-10 w-10 rounded-lg border-2 border-dashed border-muted-foreground/30 hover:border-muted-foreground/50 disabled:opacity-50"
+								>
+									<Plus className="h-5 w-5 text-muted-foreground" />
+									<span className="sr-only">{addWorkspaceLabel}</span>
+								</Button>
+							</span>
 						</TooltipTrigger>
 						<TooltipContent side="right" sideOffset={8}>
-							Add workspace
+							{addWorkspaceLabel}
 						</TooltipContent>
 					</Tooltip>
 

surfsense_web/components/layout/ui/shell/LayoutShell.tsx

@@ -95,6 +95,8 @@ interface LayoutShellProps {
 	onWorkspaceDelete?: (workspace: Workspace) => void;
 	onWorkspaceSettings?: (workspace: Workspace) => void;
 	onAddWorkspace: () => void;
+	isAtWorkspaceLimit?: boolean;
+	maxWorkspacesPerUser?: number;
 	workspace: Workspace | null;
 	navItems: NavItem[];
 	onNavItemClick?: (item: NavItem) => void;
@@ -198,6 +200,8 @@ export function LayoutShell({
 	onWorkspaceDelete,
 	onWorkspaceSettings,
 	onAddWorkspace,
+	isAtWorkspaceLimit = false,
+	maxWorkspacesPerUser,
 	workspace,
 	navItems,
 	onNavItemClick,
@@ -280,6 +284,8 @@ export function LayoutShell({
 							activeWorkspaceId={activeWorkspaceId}
 							onWorkspaceSelect={onWorkspaceSelect}
 							onAddWorkspace={onAddWorkspace}
+							isAtWorkspaceLimit={isAtWorkspaceLimit}
+							maxWorkspacesPerUser={maxWorkspacesPerUser}
 							workspace={workspace}
 							navItems={navItems}
 							onNavItemClick={onNavItemClick}
@@ -352,6 +358,8 @@ export function LayoutShell({
 								onWorkspaceDelete={onWorkspaceDelete}
 								onWorkspaceSettings={onWorkspaceSettings}
 								onAddWorkspace={onAddWorkspace}
+								isAtWorkspaceLimit={isAtWorkspaceLimit}
+								maxWorkspacesPerUser={maxWorkspacesPerUser}
 								isSingleRailMode={false}
 								user={user}
 								onUserSettings={onUserSettings}

surfsense_web/components/layout/ui/sidebar/MobileSidebar.tsx

@@ -17,6 +17,8 @@ interface MobileSidebarProps {
 	activeWorkspaceId: number | null;
 	onWorkspaceSelect: (id: number) => void;
 	onAddWorkspace: () => void;
+	isAtWorkspaceLimit?: boolean;
+	maxWorkspacesPerUser?: number;
 	workspace: Workspace | null;
 	navItems: NavItem[];
 	onNavItemClick?: (item: NavItem) => void;
@@ -67,6 +69,8 @@ export function MobileSidebar({
 	onWorkspaceSelect,
 
 	onAddWorkspace,
+	isAtWorkspaceLimit = false,
+	maxWorkspacesPerUser,
 	workspace,
 	navItems,
 	onNavItemClick,
@@ -107,6 +111,10 @@ export function MobileSidebar({
 		onChatSelect(chat);
 		onOpenChange(false);
 	};
+	const addWorkspaceLabel =
+		isAtWorkspaceLimit && maxWorkspacesPerUser !== undefined
+			? `Workspace limit reached: ${maxWorkspacesPerUser}`
+			: "Add workspace";
 
 	return (
 		<Sheet open={isOpen} onOpenChange={onOpenChange}>
@@ -136,10 +144,12 @@ export function MobileSidebar({
 								variant="ghost"
 								size="icon"
 								onClick={onAddWorkspace}
+								disabled={isAtWorkspaceLimit}
+								title={addWorkspaceLabel}
 								className="h-10 w-10 shrink-0 rounded-lg border-2 border-dashed border-muted-foreground/30 hover:border-muted-foreground/50"
 							>
 								<Plus className="h-5 w-5 text-muted-foreground" />
-								<span className="sr-only">Add workspace</span>
+								<span className="sr-only">{addWorkspaceLabel}</span>
 							</Button>
 						</div>
 					</ScrollArea>