[mrkn1]

thank you being thorough

clipboard: rn input is treated like any other source, so text gets written to ./textsnaps/clipboard_ocr.txt, and stdout just prints that path. Nothing goes back to the clipboard in this version (stay tuned)

portability: agreed, and it's a small change. textsnap already looks for the checksum manifest next to the script before falling back to the cache, so extending it should be easy. I make a note for next version.