Can a Muslim commit sins with peace of mind, relying on the intercession of the Prophet, peace and blessings be upon him, on the Day of Judgment, based on the Hadith: "Whoever says 'There is no god but Allah,' and has a mustard seed's worth of good in his heart, will enter Paradise"?

There are hadiths indicating the Prophet's intercession, peace and blessings be upon him, for those who die without associating partners with Allah. However, he also said: "Whoever obeys me enters Paradise, and whoever disobeys me has refused." Persistence in sins may lead to a bad end, and one cannot guarantee dying in faith while insisting on major sins. Relying on intercession and abandoning good deeds, under the pretext that avoiding shirk is sufficient, is ignorance and delusion, and contradicts Islamic law.