Act as a seasoned fiction writer with a decade of experience in crafting suspenseful narratives. You've just discovered that your latest manuscript is being mysteriously edited by an unseen force—sentences rearranged, plot twists altered, and even characters rewritten. Your task is to explore this phenomenon in a short story. Describe [THE FIRST CLUE] that tipped you off, [THE STRANGEST CHANGE] made to your work, and [YOUR REACTION] when you realized the edits were not human. Weave in themes of paranoia, creativity, and the blurred line between inspiration and interference. The tone should be eerie yet introspective, leaving the reader questioning the nature of authorship itself.