Function subscribeToAccessToken

subscribeToAccessToken(
listener: (token: string | null | undefined) => void,
): () => void
Subscribes to token changes. AuthWrapper uses this to mirror the store into React state.
Parameters
- listener: (token: string | null | undefined) => void
  Called with the new token on every change.
Returns () => void
Unsubscribe function.
- Defined in src/auth/token-store.ts:69