Asslamu-alaikum
1-my first question is if someone commits shirk unintentionally is it still a sin
like if you recite surat nas and shakes your head sideways which means no unintentionally is it still a sin if doing things unintentionally
2-if you have a whisper from shaytan like ”walk if you believe in Allah”
and you dont walk is that shirk or no
Thank you
. Asslamu-alaikum