agent-tui-expertUse when building a terminal user interface in Python - a Textual multi-pane dashboard, an IDE-style interface, a REPL shell, or an interactive line editor with completions and validation using Python Prompt Toolkit. Covers widget composition, containers, CSS styling, messages, key bindings, themes,
python-cli-engineeringUse when building or hardening a production-grade Python CLI tool, admin utility, data processor, or developer tooling - with UV for package management, Ruff for linting, Pyright for strict typing, Typer for commands, and Rich for polished output. Covers fail-fast patterns and custom exception hiera
python-data-engineeringUse when implementing a data pipeline, ETL or ELT flow, or warehouse architecture in Python - SQLAlchemy 2.0 patterns such as TypeDecorator, hybrid properties and events, Pydantic integration, API-to-database flows, custom field schema evolution, incremental sync from an external system, or multi-so