The .gitignore had three competing rules — .env.* (line 70), *.env.*
(line 259), and a stale negation !.env.example (line 71) that lost to
the later rules. Adding the negation at the end of the file so it wins.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
