refactor: remove localStorage persistence and redundant refresh token logic from token store

src/auth/tokenStore.ts

@@ -2,38 +2,14 @@ export type StoredTokens = {
     access_token: string;
 };
 
-const LS_KEY = "uhm_auth_tokens_v1";
-
 let cached: StoredTokens | null = null;
 
-function safeParseTokens(raw: string | null): StoredTokens | null {
-    if (!raw) return null;
-    try {
-        const v = JSON.parse(raw) as Partial<StoredTokens>;
-        if (!v || typeof v !== "object") return null;
-        if (typeof v.access_token !== "string") return null;
-        if (!v.access_token.trim()) return null;
-        return { access_token: v.access_token };
-    } catch {
-        return null;
-    }
-}
-
 export function getStoredTokens(): StoredTokens | null {
-    if (cached) return cached;
-    if (typeof window === "undefined") return null;
-    cached = safeParseTokens(window.localStorage.getItem(LS_KEY));
     return cached;
 }
 
 export function setStoredTokens(tokens: StoredTokens | null): void {
     cached = tokens;
-    if (typeof window === "undefined") return;
-    if (!tokens) {
-        window.localStorage.removeItem(LS_KEY);
-        return;
-    }
-    window.localStorage.setItem(LS_KEY, JSON.stringify(tokens));
 }
 
 export function getAccessToken(): string | null {
@@ -47,11 +23,6 @@ export function clearStoredTokens(): void {
 // Helper for dealing with CommonResponse where token payload shape is not strictly typed.
 export function extractTokensFromResponsePayload(payload: any): StoredTokens | null {
     const data = payload?.data ?? payload;
-    // Common shapes observed in various backends:
-    // - { status: true, data: { access_token, refresh_token } }
-    // - { data: { tokens: { access_token, refresh_token } } }
-    // - { data: { token: <access>, refresh_token } }
-    // - { accessToken, refreshToken }
     const tokenContainer = data?.tokens ?? data?.token_set ?? data;
 
     const access =
@@ -62,11 +33,6 @@ export function extractTokensFromResponsePayload(payload: any): StoredTokens | n
         tokenContainer?.jwt ??
         null;
 
-    const refresh =
-        tokenContainer?.refresh_token ??
-        tokenContainer?.refreshToken ??
-        tokenContainer?.refresh ??
-        null;
     if (typeof access === "string" && access.trim()) {
         return { access_token: access };
     }