sciagent code + Gitea Actions CI/CD

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

fe0/src/applicant/auth/RegistrationPage.tsx

@@ -0,0 +1,9 @@
+import { RegistrationWithOtp } from '@/auth/registration/RegistrationWithOtp';
+
+/**
+ * Applicant-facing registration (OTP verification after submit).
+ * Same API as admin route; role is server-derived from email policy.
+ */
+export default function ApplicantRegistrationPage() {
+  return <RegistrationWithOtp variant="applicant" loginPath="/login" />;
+}