The End of Tab Anxiety: Building a Destructive Read-It-Later App

This is a submission for the Built with Google Gemini: Writing Challenge What I Built with Google Gemini I built Sigilla, a privacy-first, read-it-later application specifically designed to cure "digital hoarding" for Personal Knowledge Management (PKM) users. Most developers and tech enthusiasts suffer from the Collector's Fallacy. We save hundreds of articles in tools like Pocket or browser bookmarks, creating a graveyard of unread links just to feel productive in the moment. Sigilla solves this by introducing forced auto-decay. If you save a link and do not read it within 7 days, it is archived. It forces a hard decision: either prioritize the information right now, or let it go. For the articles you actually read, Sigilla features built-in Spaced Repetition (SM-2) to help you retain the knowledge, and provides clean Markdown exports directly to systems like Obsidian. It also handles massive Pocket and Instapaper imports entirely client-side, ensuring no server ever touches your dat