feat(agreements): implement agreement fetching and display with error handling

feat(agreement-card): create AgreementCard component for displaying user agreements
fix(devices-table): update no devices message for clarity based on parental control
fix(payments-table): update no payments message for consistency
fix(topups-table): update no topups message for consistency
feat(user): add agreement field to User interface

components/devices-table.tsx

@@ -65,7 +65,7 @@ export async function DevicesTable({
 		<div>
 			{data?.length === 0 ? (
 				<div className="h-[calc(100svh-400px)] text-muted-foreground flex flex-col items-center justify-center my-4">
-					<h3>No devices.</h3>
+					<h3>{parentalControl ? "No active devices" : "No devices."}</h3>
 				</div>
 			) : (
 				<>