refreshAccessToken

actual open suspend override fun refreshAccessToken(): String?

Force-refresh the access token, invalidating any cached token.

Called by retry logic after a 401 Unauthorized response. Returns null if not signed in or refresh fails.

expect open suspend override fun refreshAccessToken(): String?

Force-refresh the access token, invalidating any cached token.

Called by retry logic after a 401 Unauthorized response. Returns null if not signed in or refresh fails.