Update development documentation to use poetry run exclusively

Remove poetry shell references and consistently show poetry run prefix for
all tox and paver commands in README and bin/setup to avoid confusion.

Author: mrrooijen

README.md

@@ -35,14 +35,17 @@ bin/setup
 export PATH="$HOME/.pyenv/shims:$PATH"
 
 # Run tests
-poetry shell
-tox -e py312-core   # Quick test on Python 3.12
-tox                 # Full test suite
-paver format        # Format code
+poetry run tox -e py312-core   # Quick test on Python 3.12
+poetry run tox                 # Full test suite
+
+# Code formatting and linting
+poetry run paver format        # Format code (autoflake, isort, black)
+poetry run paver check         # Check formatting without applying
+poetry run paver test          # Run tests with coverage
+poetry run paver doc           # Build documentation
+poetry run paver               # Default: format + test
 ```
 
-See `paver --help` for additional tasks.
-
 ## Release
 
 1. Update the `version` property in `pyproject.toml`.

bin/setup

@@ -30,8 +30,7 @@ echo "  export PATH=\"\$HOME/.pyenv/shims:\$PATH\""
 echo ""
 echo "Then restart your shell and run:"
 echo ""
-echo "  poetry shell           # Enter development environment"
-echo "  tox -e py312-core      # Quick test"
-echo "  tox                    # Full test suite"
-echo "  paver format           # Format code"
+echo "  poetry run tox -e py312-core      # Quick test"
+echo "  poetry run tox                    # Full test suite"
+echo "  poetry run paver format           # Format code"
 echo ""