feat: add auth extension points and one ssh connect pipeline

src/ui/sidebar/PluginSecondFactorEnrollment.tsx

@@ -0,0 +1,29 @@
+import { useTranslation } from "react-i18next";
+import { useSecondFactors } from "@/plugin-host/auth-registry";
+
+/**
+ * Enrolment sections second-factor plugins register. Core's own TOTP and
+ * passkey sections sit above this until they move into plugins.
+ */
+export function PluginSecondFactorEnrollment() {
+  const { t } = useTranslation();
+  const factors = useSecondFactors().filter(
+    (factor) => factor.enrollment && factor.pluginId !== "core",
+  );
+  if (factors.length === 0) return null;
+  return (
+    <div className="flex flex-col gap-4">
+      {factors.map((factor) => {
+        const Enrollment = factor.enrollment!;
+        return (
+          <div key={factor.id} className="flex flex-col gap-2">
+            <span className="text-[10px] font-bold uppercase tracking-widest text-muted-foreground">
+              {t(factor.titleKey)}
+            </span>
+            <Enrollment />
+          </div>
+        );
+      })}
+    </div>
+  );
+}