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>

src/shared/infrastructure/DatabaseConnection.ts

@@ -242,6 +242,36 @@ export interface WebhookDeliveryTable {
   attempted_at: number;
 }
 
+export interface SSOConfigTable {
+  id: string;
+  organization_id: string;
+  provider: string;
+  enabled: number;
+  config_json: string;
+  created_at: number;
+}
+
+export interface TOTPSecretTable {
+  id: string;
+  user_id: string;
+  secret: string;
+  verified: number;
+  created_at: number;
+}
+
+export interface AuditLogTable {
+  id: string;
+  user_id: string | null;
+  organization_id: string | null;
+  action: string;
+  resource: string;
+  resource_id: string | null;
+  ip_address: string | null;
+  user_agent: string | null;
+  details_json: string;
+  occurred_at: number;
+}
+
 export interface Database {
   sessions: SessionTable;
   states: StateTable;
@@ -263,6 +293,9 @@ export interface Database {
   integrations: IntegrationTable;
   webhook_endpoints: WebhookEndpointTable;
   webhook_deliveries: WebhookDeliveryTable;
+  sso_configs: SSOConfigTable;
+  totp_secrets: TOTPSecretTable;
+  audit_logs: AuditLogTable;
 }
 
 export function createDatabase(config: { driver: string; path: string; url?: string }): Kysely<Database> {