v3.1: Task List

[exlier]

🔴 CRITICAL FIXES (MUST HAVE)
│
├ ✅ DONE─ #94: Terminal raw mode cleanup on panic/exit
│ └─ Impact: User can recover from crashes (UX critical)
│
├─ #93: Proper POSIX signal handling (SIGINT/SIGTSTP/SIGCHLD)
│ └─ Impact: Ctrl-C/Ctrl-Z/job control reliability
│ └─ Subtasks:
│ ├─ Implement signal-hook based handlers
│ ├─ Fix process group management (setpgid/tcsetpgrp)
│ ├─ Add zombie process cleanup
│ └─ Write comprehensive signal tests
│
└─ #95: Job table race conditions
└─ Impact: fg, bg, jobs reliability

✅ TOKENIZATION & EXPANSION
├─ ✅ DONE: shlex tokenization (PR #103)
├─ ✅ DONE: globset + shellexpand (PR #103)
│
└─ TODO: Variable expansion ($VAR, ${VAR}, $?, $#, etc.)
└─ Implement in parser.rs
└─ Priority: High (scripts rely on this)

📝 DOCUMENTATION
├─ Write CONTRIBUTING.md with v3.1 focus
├─ Add "Known Limitations" section to README
│ └─ Signal handling in progress, avoid backgrounding
└─ Link to GitHub Discussions for troubleshooting

-# Special thanks to copilot for the Roadmap