Led a security hardening improvement in LedgerHQ/actions by migrating sensitive CI inputs (seed, speculos_role, speculos_cluster) from workflow files to GitHub secrets, reducing exposure risk in CI configurations. Implemented via a focused change linked to TSDINT-990 (commit 9d11f0f856b24780e7045e2ab6ba578b1320875f). Result: stronger secret management with no user-facing changes and minimal CI disruption.

October 2025 — LedgerHQ/actions: Delivered reliability and reproducibility improvements for Speculos integration. Fixed readiness checks to prevent indefinite deployment waits by capping curl retries and correcting the ingress readiness loop, reducing CI flakiness. Introduced configurability for Speculos workflow: made speculos_version mandatory input for start-speculos and configured the AWS region via environment variable to standardize testing environments. These changes enhance automation reliability, reproducibility across environments, and faster safe releases.

May 2025 summary for LedgerHQ/actions: Delivered automated Speculos CI/CD orchestration and environment management, enabling scalable, repeatable hardware testing in GitHub Actions. Implemented start/stop of Speculos with runner configuration options (public vs dedicated), enhanced seed handling, and extended initialization scripts. Migrated management to Speculos runners and hardened workflows; updated templates and run_id handling to improve reliability. Increased AWS IAM role duration to 6 hours to support longer test environments. These changes improved CI reliability, reduced manual setup, and accelerated feedback for hardware testing.