feat: public events/polls, friends graph, captcha, SSE hardening, and admin UX

Ship product gaps: register/vote pages, friend add/accept/decline/remove, email verify TTL, captcha on login/forgot, soft-fail user actions, SSE abort/shared client, Commando Centrum error toasts, admin delete for events/polls, and IT/NL i18n fills.

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

src/app/(site)/radio/shouts/page.tsx

@@ -1,17 +1,40 @@
 import { getTranslations } from "next-intl/server";
-import { formatDate } from "@/lib/format-date";
+import type { CSSProperties } from "react";
 import { postShout } from "@/actions/radio-shouts";
 import { ContentCard, EmptyState } from "@/components/public/ui";
 import { auth } from "@/lib/auth";
 import { avatarImageUrl } from "@/lib/format";
+import { formatDate } from "@/lib/format-date";
 import { prisma } from "@/lib/prisma";
 import { siteSettings } from "@/lib/services/site-settings";
 
 export const dynamic = "force-dynamic";
 
+type SearchParams = Promise<{ posted?: string; error?: string }>;
 
-export default async function RadioShoutsPage() {
+function feedbackStyle(tone: "success" | "error"): CSSProperties {
+	const accent =
+		tone === "error" ? "var(--color-danger)" : "var(--color-primary)";
+	return {
+		margin: 0,
+		padding: "0.85rem 1rem",
+		borderRadius: "var(--radius-md)",
+		border: `1px solid ${accent}`,
+		color: "var(--color-text-readable, var(--color-text))",
+		fontSize: "0.9rem",
+		fontWeight: 600,
+		background: "var(--color-surface)",
+		borderLeft: `4px solid ${accent}`,
+	};
+}
+
+export default async function RadioShoutsPage({
+	searchParams,
+}: {
+	searchParams: SearchParams;
+}) {
 	const t = await getTranslations("pages.radioShouts");
+	const { posted, error } = await searchParams;
 
 	const [shouts, imagerBase, session] = await Promise.all([
 		prisma.radioShouts
@@ -41,8 +64,30 @@ export default async function RadioShoutsPage() {
 		: [];
 	const authorById = new Map(authors.map((a) => [a.id, a]));
 
+	const errorMessage =
+		error === "invalid"
+			? t("errors.invalid")
+			: error === "moderated"
+				? t("errors.moderated")
+				: error === "ratelimit"
+					? t("errors.ratelimit")
+					: error
+						? t("errors.error")
+						: null;
+
 	return (
 		<main style={{ display: "grid", gap: "1.5rem" }}>
+			{posted === "1" ? (
+				<div role="status" style={feedbackStyle("success")}>
+					{t("success.posted")}
+				</div>
+			) : null}
+			{errorMessage ? (
+				<div role="alert" style={feedbackStyle("error")}>
+					{errorMessage}
+				</div>
+			) : null}
+
 			<ContentCard icon="📣" title={t("title")} subtitle={t("subtitle")} />
 
 			{isLoggedIn ? (
@@ -122,7 +167,9 @@ export default async function RadioShoutsPage() {
 									<div style={{ flex: 1, minWidth: 0 }}>
 										<p style={{ margin: "0 0 0.25rem" }}>
 											<strong>{author?.username ?? `User #${s.userId}`}</strong>{" "}
-											<span className="muted">{formatDate(s.createdAt, "datetime", "")}</span>
+											<span className="muted">
+												{formatDate(s.createdAt, "datetime", "")}
+											</span>
 										</p>
 										<p style={{ margin: 0 }}>{s.message}</p>
 									</div>