Middle Truncate

One line of text with the middle removed so that both ends stay readable, fitted to whatever width the container actually gives it. Use it for file names — where ordinary CSS truncation eats the extension and every row ends up reading "quarterly-report-2026-fin…" — and for file paths, URLs, S3 and storage keys, git SHAs and commit hashes, wallet and contract addresses, API keys and tokens, request, trace and session IDs, branch names, and any other identifier whose tail is the part that tells two of them apart. Common asks it answers: "truncate the middle of a string", "middle ellipsis", "trun