front류 개발모드에서는 세션 갱신 끄기

common/core/session/index.ts

@@ -1,5 +1,9 @@
 export const DEFAULT_SESSION_RENEW_THRESHOLD_MS = 10 * 60 * 1000;
 export const DEFAULT_SESSION_RENEW_THROTTLE_MS = 30 * 1000;
+export const SESSION_EXPIRY_STORAGE_KEY = "baron_session_expiry_enabled";
+
+type SessionExpiryReadableStorage = Pick<Storage, "getItem">;
+type SessionExpiryWritableStorage = Pick<Storage, "setItem">;
 
 export type SessionRenewDecisionParams = {
   expiresAtSec?: number | null;
@@ -13,6 +17,51 @@ export type SessionRenewDecisionParams = {
   throttleMs?: number;
 };
 
+export type SessionExpiryPreferenceParams = {
+  defaultEnabled?: boolean;
+  storage?: SessionExpiryReadableStorage | null;
+};
+
+export type DevelopmentSessionRedirectParams = {
+  appMode: string;
+  defaultEnabled?: boolean;
+  storage?: SessionExpiryReadableStorage | null;
+};
+
+function browserStorage() {
+  if (typeof window === "undefined") {
+    return null;
+  }
+
+  return window.localStorage;
+}
+
+export function readSessionExpiryEnabled({
+  defaultEnabled = true,
+  storage = browserStorage(),
+}: SessionExpiryPreferenceParams = {}) {
+  const stored = storage?.getItem(SESSION_EXPIRY_STORAGE_KEY) ?? null;
+  return stored === null ? defaultEnabled : stored !== "false";
+}
+
+export function writeSessionExpiryEnabled(
+  isEnabled: boolean,
+  storage: SessionExpiryWritableStorage | null = browserStorage(),
+) {
+  storage?.setItem(SESSION_EXPIRY_STORAGE_KEY, String(isEnabled));
+}
+
+export function shouldSuppressDevelopmentSessionRedirect({
+  appMode,
+  defaultEnabled = appMode !== "development",
+  storage = browserStorage(),
+}: DevelopmentSessionRedirectParams) {
+  return (
+    appMode === "development" &&
+    !readSessionExpiryEnabled({ defaultEnabled, storage })
+  );
+}
+
 function hasRenewPreconditions({
   isAuthenticated,
   isLoading,