[RFC] 0015 Build Phases by RandomByte · Pull Request #898 · UI5/cli
IMO, the default part is a bit missleading. Maybe, skipping it would make things clearer.
defaultBuildPhase seems like it implies changing the default phase for everything which is not the case here. Skipping default from the name makes it clear that this task will be executed at that phase
Suggested change
| defaultBuildPhase: post-create-bundles # <- New default configuration | |
| buildPhase: post-create-bundles |