v1.0.0: Core Launch 🚀

A robust, POSIX-compliant shell implementation built from scratch.

Key Features

• Input Engine: Custom 0-dependency readline implementation.
• Execution: AST-based logical flow supporting &&, ||, and |.
• Subshell: Fully isolated environment management for nested processes.
• History: Persistent, duplicate-aware history system.
• Expansion: Quote-aware variable expansion and literal protection.
• Globbing: Smart wildcard handling that respects quote encapsulation.

Stability & Performance

• FD Management: Guaranteed zero-leak file descriptor management across all process branches.
• Memory: Strict adherence to memory safety with no leaks on exit.
• Signal Resilience: Robust handling of Ctrl+C (SIGINT), Ctrl+D (EOF), and Ctrl+\ (SIGQUIT).
• Process Sync: Reliable exit status propagation ( $? ) from children to parent.