During February 2026, this developer enhanced the harness/terraform-provider-harness repository by implementing a resilient project deletion flow. They introduced a retry mechanism for deleting projects still referenced by AppSet child applications, addressing issues where in-flight references previously caused deletion failures. The solution focused on robust backend development in Go, with particular attention to error handling and comprehensive testing. By improving the handling of reference-related errors, the changes reduced operational toil for users managing AppSet configurations and ensured that deletion requests were retried appropriately. This work closed the CDS-119229 issue and contributed to more reliable project lifecycle management within the platform.