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U
How does the useAuth hook handle token refresh?
AI
Token Refresh Flow:

useAuth() → useEffect mounts → calculates timeUntilExpiry → sets setTimeout → triggers refreshToken() → updates authState

Pseudocode:
if (token.exp - now < 300s)
  newToken = await refresh()
  setState({ token: newToken })
U
How does the useAuth hook handle token refresh?
AI
useAuth Hook
Authentication state management with automatic token refresh.

Returns:
• user - Current user object or null
• isAuthenticated - Boolean auth status
• login(credentials) - Async login function
• logout() - Clears session

Source: src/hooks/useAuth.ts:24
U
Why isn't my token refreshing automatically?
AI
🔍 Root Cause Analysis:

Likely Issues:
1. refreshToken endpoint returns 401 → check if refresh token is expired
2. Timer cleanup missing in useEffect → causes memory leak
3. tokenExpiry parsed as string, not number

✓ Fix: Add parseInt() to expiry check on line 47
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