Literary Agent Publishing Guidance

I have a completed manuscript and now need an experienced guide to steer me through the publishing maze. My priority is professional, up-to-date advice on routes to publication—whether that leads to traditional houses through a literary agent or a well-planned independent release.
this is NOT about amazon kdp and amazon ads :) Please do not submit AI responses. Please do not claim fake experience, it is obvious immediately, it will not lead to a nice conversation.