Worked on improving build system reliability in the salesforce/rules_spring repository by addressing a potential conflict in SpringBoot macro sub-target naming. Focused on build system configuration using Bazel and Starlark, the developer modified the macro to place the macro name first in sub-target rule names, effectively reducing the risk of conflicts with symbolic macros. This change enhanced cross-environment compatibility and minimized build failures, contributing to a more robust build process. The update was implemented as a targeted, low-risk bug fix with clear documentation, ensuring that future macro extensions remain straightforward and maintainable within the existing build system framework.