Release 1.4.22 (2026-05-06)

Chores

• update dev dependencies for 1.4.22 cycle mypy 1.20.2 -> 2.0.0, markdown-it-py 4.0.0 -> 4.1.0. All CI action pins current. No anchored dependency records to review.

Documentation

• remove legacy st-validate-local reference page
• update cli-tools-overview for st-validate-local removal
• update CLAUDE.md to reference st-validate instead of st-validate-local
• update README.md to reference st-validate

Refactoring

• rename validate_local_common_container to validate_common
• update imports and patch targets for validate_common rename
• remove legacy validate_local and validate_local_lang modules
• remove legacy scripts/dev/ shell scripts
• remove legacy st-validate-local console_script entries
• rename custom validator lookup from validate-local-custom to validate-custom
• update usage example to reference st-validate