Interface Session

web/types/next-auth.d.ts:19–33

 */
declare module "next-auth" {
  interface Session extends DefaultSession {
    user: User | null; // null if user does not exist anymore in the database but has active jwt
    environment: {
      // Run-time environment variables that need to be available client-side
      enableExperimentalFeatures: boolean;
      // Enables features that are only available under an enterprise/commercial license when self-hosting Langfuse
      selfHostedInstancePlan: Plan | null;
      // V4 migration write mode. Mirrors LANGFUSE_MIGRATION_V4_WRITE_MODE so the
      // client can tell whether the legacy traces/observations tables are still
      // written and gate the V4 preview / legacy experiences accordingly.
      // Optional so existing session mocks need not set it; the real session
      // callback always populates it.
      v4WriteMode?: "legacy" | "dual" | "events_only";
    };
  }

  interface User extends DefaultUser {
    id: PrismaUser["id"];