Security: - Remove instance/.secret_key and instance/stegasoo.db from git - Add instance/ to .gitignore (was only ignoring frontends/web/instance/) Lint fixes: - Remove unused imports in temp_storage.py (os, shutil) - Sort imports and fix f-string placeholders in cli.py 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>