v1.6.3

Changes

• feat: add contract validation hook to mockRequest (#186)
• fix: CSS issues and patch dependency updates (#184)
• fix: regenerate package-lock.json for CI compatibility
• chore(deps-dev): bump typescript from 5.9.3 to 6.0.2 (#185)
• chore(deps-dev): bump flatted in /examples/tutorial-example (#173)
• chore(deps-dev): bump flatted in /examples/twd-test-app (#172)
• docs: improvements from AI feedback session (#174)
• docs: add --test flag documentation for twd-relay run
• docs: add missing plugin skills (ci-setup, test-gaps, test-quality, test-flow-gallery)