During March 2026, zzmicDev focused on security hardening and reliability improvements in the p4lang/p4c repository. Addressing a critical risk in automated file operations, zzmicDev modified shell scripts to add quoting around variables and paths in file removal commands, preventing word splitting and potential command injection vulnerabilities. This change, implemented using shell scripting and DevOps practices, directly mitigated exposure from unsafe command patterns such as unquoted rm operations. The work demonstrated careful attention to system administration best practices, resulting in an auditable, signed-off commit that enhanced traceability and compliance while reducing operational risk in the project’s automated workflows.