Add file safety: size limits, symlink checks, special files, line truncation

Remove unnecessary stdin TTY check since /export now saves script first

Fix /export command to save script before running

Add helpful error message when script is piped instead of run interactively

Add minimal README with badges and installation instructions

Update

fix

fix

Fix infinite loop when stdin is closed or empty EOF received

Simplify /export to use curl from GitHub instead of lzma-compressed payload

Remove /export command from exported output to reduce size

Use lzma compression for /export to reduce output size by ~450 chars

Update

Reduce /export output size: use zlib instead of gzip, shorter env setup

Add AST-based variable renaming to /export for better minification