feat(ops): health-fail alerts, optional DB backup, admin UX polish

Wire jobs-worker health probes to Discord/email alerts with cooldown, optional mysqldump, rate-limit /api/health, mark-all-read alerts, ConfirmDialog on destructive admin actions, and raise coverage floors.

Co-authored-by: Cursor <[email protected]>

src/app/admin/users/[id]/user-quick-actions.tsx

@@ -19,6 +19,7 @@ import {
 	sendCredits,
 	unmuteUser,
 } from "@/actions/users";
+import { useConfirmDialog } from "@/components/admin/confirm-dialog";
 import { CurrencyIcon } from "@/components/shared/currency-icon";
 import { Badge } from "@/components/ui/badge";
 import { Button } from "@/components/ui/button";
@@ -46,6 +47,7 @@ export function UserQuickActions({
 	isOnline,
 }: UserQuickActionsProps) {
 	const { run, isPending } = useServerAction();
+	const { confirm, dialog: confirmDialog } = useConfirmDialog();
 
 	// Reset password state
 	const [newPassword, setNewPassword] = useState<string | null>(null);
@@ -60,13 +62,14 @@ export function UserQuickActions({
 	// Credits state
 	const [creditAmount, setCreditAmount] = useState("1000");
 
-	function handleResetPassword() {
-		if (
-			!confirm(
-				`Reset password for ${username}? A new random password will be generated.`,
-			)
-		)
-			return;
+	async function handleResetPassword() {
+		const ok = await confirm({
+			title: "Reset password",
+			description: `Reset password for ${username}? A new random password will be generated.`,
+			confirmLabel: "Reset",
+			variant: "danger",
+		});
+		if (!ok) return;
 		run(() => resetPassword({ userId }), {
 			successMessage: "Password reset successfully.",
 			onSuccess: (data) => {
@@ -121,6 +124,7 @@ export function UserQuickActions({
 
 	return (
 		<>
+			{confirmDialog}
 			<Card>
 				<CardHeader>
 					<CardTitle>Quick Actions</CardTitle>