bahdotsh 460357d9fe feat: Add comprehensive sandboxing for secure emulation mode ...

Security Features:
- Implement secure emulation runtime with command sandboxing
- Add command validation, filtering, and dangerous pattern detection
- Block harmful commands like 'rm -rf /', 'sudo', 'dd', etc.
- Add resource limits (CPU, memory, execution time, process count)
- Implement filesystem isolation and access controls
- Add environment variable sanitization
- Support shell operators (&&, ||, |, ;) with proper parsing

New Runtime Mode:
- Add 'secure-emulation' runtime option to CLI
- Update UI to support new runtime mode with green security indicator
- Mark legacy 'emulation' mode as unsafe in help text
- Default to secure mode for local development safety

Documentation:
- Create comprehensive security documentation (README_SECURITY.md)
- Update main README with security mode information
- Add example workflows demonstrating safe vs dangerous commands
- Include migration guide and best practices

Testing:
- Add comprehensive test suite for sandbox functionality
- Include security demo workflows for testing
- Test dangerous command blocking and safe command execution
- Verify resource limits and timeout functionality

Code Quality:
- Fix all clippy warnings with proper struct initialization
- Add proper error handling and user-friendly security messages
- Implement comprehensive logging for security events
- Follow Rust best practices throughout

This addresses security concerns by preventing accidental harmful
commands while maintaining full compatibility with legitimate CI/CD
workflows. Users can now safely run untrusted workflows locally
without risk to their host system.

2025-08-13 14:30:51 +05:30

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