Added a quick Summarize feature for working my way through all the links shared in the newsletters piling up in my inbox

My Pinboard subscription expired so I decided to build my own personal bookmarking tool. Some highlights:

- Web scraping the title and description
- Using an LLM (Claude Haiku) to suggest the tags
- CSS view transitions (spot the ⊕ icon transition?)
- Cloudflare Pages & Functions