Worked on the grafana/terraform-provider-grafana repository to deliver a business-critical enhancement enabling repository-level webhook URL overrides in the Terraform provider for Grafana. This feature allows webhook delivery to a distinct public host, improving integration flexibility and Git Sync reliability. The implementation involved schema changes, documentation updates, and comprehensive testing, including local unit and integration tests, as well as end-to-end validation with Grafana v13.0.0. Using Go and Terraform, the developer ensured backward compatibility through an additive schema update and prepared a safe rollback plan. The work emphasized robust API development, thorough validation, and alignment with upstream provisioning specifications and workflows.