fase(25-26): keyboard shortcuts, mobile responsive, enterprise SSO/audit

- Phase 25.4: N shortcut for new exploration on dashboard (react-hotkeys-hook)
- Phase 25.5: overflow-x-auto on tables, responsive padding (p-4 md:p-6)
- Phase 26: SAML/OIDC/LDAP providers (build-fixed), TOTP/MFA service
- Phase 26: KyselySSOConfigRepository + KyselyTOTPRepository
- Phase 26: SSO HTTP controller (config CRUD + MFA setup/verify/disable)
- Phase 26: Audit module index.ts + SSO module index.ts
- Phase 26: Session management endpoints (findByUserId, deleteById, list/revoke)
- Phase 26: SSO and audit routes feature-gated (auth:sso, audit:logs)
- Phase 26: Frontend SSOSection (SAML/OIDC/LDAP config + TOTP setup)
- Phase 26: Frontend SessionsSection (list/revoke active sessions)
- Phase 26: Settings navigation updated with SSO & Sessions sections

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.ralph/.loop_start_sha

@@ -1 +1 @@
-49e76c92b17a3510da50ae1deaf8002c5c67d010
+c3911bafe885d664a6870305dff172e1410a95ac

.ralph/progress.json

@@ -1 +1 @@
-{"status": "completed", "timestamp": "2026-03-08 05:49:12"}
+{"status": "failed", "timestamp": "2026-03-08 07:22:04"}