v1.29.0

v1.29.0 (minor)

Changes since v1.28.0:

• Clear the five SonarCloud findings from the last change (@Claude)
• Emit interfaces, and spell the four types in a signature [minor] (@Claude)

What's Changed

• Emit interfaces, and spell the four types in a signature by @matt-edmondson in #176

Full Changelog: v1.28.0...v1.29.0