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/actions/password-reset.test.ts

@@ -40,6 +40,15 @@ vi.mock("@/lib/services/email", () => ({
 	sendMail: mockSendMail,
 }));
 
+vi.mock("@/lib/services/captcha", () => ({
+	captchaConfig: vi.fn().mockResolvedValue({
+		provider: "none",
+		siteKey: "",
+		field: "",
+	}),
+	verifyCaptcha: vi.fn().mockResolvedValue(true),
+}));
+
 vi.mock("@/lib/rate-limit", () => ({
 	rateLimit: vi.fn().mockResolvedValue({ ok: true, retryAfter: 0 }),
 	clientIp: vi.fn().mockResolvedValue("127.0.0.1"),