- Fix XSS in stegasoo.js: use textContent instead of innerHTML for filenames - Fix operator precedence in channel key parsing (form data was ignored) - Persist Flask secret key to instance/.secret_key so sessions survive restarts 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>