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/admin/import/pets/import-pets-client.tsx

@@ -18,6 +18,7 @@ import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
 import { cn } from "@/lib/utils";
 import { adminFetch } from "@/lib/admin-fetch";
+import { readSseStream } from "@/lib/sse-client";
 
 interface PetItem {
 	lib: string;
@@ -109,34 +110,22 @@ export function ImportPetsClient() {
 			setBatchProgress(null);
 			return;
 		}
-		const reader = res.body.getReader();
-		const decoder = new TextDecoder();
-		let buf = "";
 		let done = 0;
 		let succeeded = 0;
 		let failed = 0;
-		while (true) {
-			const { value, done: streamDone } = await reader.read();
-			if (streamDone) break;
-			buf += decoder.decode(value, { stream: true });
-			const parts = buf.split("\n\n");
-			buf = parts.pop() ?? "";
-			for (const part of parts) {
-				if (!part.startsWith("data: ")) continue;
-				const evt = JSON.parse(part.slice(6));
-				if (evt.type === "item_progress" && evt.status === "done") {
-					done++;
-					markDone(evt.classname);
-					setBatchProgress({ done, total: items.length });
-				} else if (evt.type === "item_progress" && evt.status === "failed") {
-					done++;
-					setBatchProgress({ done, total: items.length });
-				} else if (evt.type === "batch_complete") {
-					succeeded = evt.succeeded;
-					failed = evt.failed;
-				}
+		await readSseStream(res.body, (evt) => {
+			if (evt.type === "item_progress" && evt.status === "done") {
+				done++;
+				markDone(String(evt.classname ?? ""));
+				setBatchProgress({ done, total: items.length });
+			} else if (evt.type === "item_progress" && evt.status === "failed") {
+				done++;
+				setBatchProgress({ done, total: items.length });
+			} else if (evt.type === "batch_complete") {
+				succeeded = Number(evt.succeeded ?? 0);
+				failed = Number(evt.failed ?? 0);
 			}
-		}
+		});
 		setBatchProgress(null);
 		setSelected(new Set());
 		if (succeeded > 0) toast.success(`${succeeded} pet(s) imported`);