pawan 0.3.0

Pawan CLI Entry Point

Provides the main command-line interface for Pawan with subcommands:

• pawan - Interactive TUI mode (default)
• pawan heal - Auto-fix compilation errors, warnings, and tests
• pawan task <description> - Execute a coding task
• pawan commit - Generate commit message
• pawan improve <what> - Improve code (docs, refactor, etc.)