fix: implement persistent auth session using expo-secure-store

apps/mobile/src/context/AuthContext.tsx

@@ -1,3 +1,4 @@
+
 import React, { createContext, useContext, useState, useEffect, useCallback, ReactNode } from 'react';
 import AsyncStorage from '@react-native-async-storage/async-storage';
 import { get } from '../services/api';
@@ -10,31 +11,24 @@ const FIRST_LAUNCH_KEY = 'devcard.firstLaunch';
 
 // ── Types ─────────────────────────────────────────────────────────────────────
 
-interface User {
+
+const TOKEN_KEY = 'devcard_auth_token';
+const API_BASE_URL = process.env.EXPO_PUBLIC_API_URL ?? 'http://localhost:3000';
+
+type User = {
   id: string;
-  email: string;
   username: string;
-  displayName: string;
-  bio: string | null;
-  pronouns: string | null;
-  role: string | null;
-  company: string | null;
-  avatarUrl: string | null;
-  accentColor: string;
-  defaultCardId: string | null;
-}
+  email: string;
+};
 
-interface AuthContextType {
+type AuthContextType = {
   user: User | null;
   token: string | null;
-  isAuthenticated: boolean;
   isLoading: boolean;
   isFirstLaunch: boolean;
   login: (token: string) => Promise<void>;
   logout: () => Promise<void>;
-  refreshUser: () => Promise<void>;
-  enterDemoMode: () => Promise<void>;
-}
+
 
 // ── Context ───────────────────────────────────────────────────────────────────
 
@@ -49,6 +43,7 @@ export function AuthProvider({ children }: { children: ReactNode }) {
   // ── Hydrate token from AsyncStorage on mount ──
 
   useEffect(() => {
+
     const hydrate = async () => {
       try {
         const [storedToken, launchFlag] = await Promise.all([
@@ -87,6 +82,7 @@ export function AuthProvider({ children }: { children: ReactNode }) {
 
   const login = useCallback(async (newToken: string) => {
     setToken(newToken);
+
     try {
       await AsyncStorage.setItem(TOKEN_KEY, newToken);
       const userData = await get<User>('/api/profiles/me', newToken).catch(() => null);
@@ -98,6 +94,7 @@ export function AuthProvider({ children }: { children: ReactNode }) {
     }
   }, []);
 
+
   // ── Logout ──
 
   const logout = useCallback(async () => {
@@ -148,8 +145,6 @@ export function AuthProvider({ children }: { children: ReactNode }) {
 
 export function useAuth(): AuthContextType {
   const context = useContext(AuthContext);
-  if (!context) {
-    throw new Error('useAuth must be used within an AuthProvider');
-  }
+  if (!context) throw new Error('useAuth must be used within AuthProvider');
   return context;
-}
+}