Worked on the obra/superpowers repository to address a reliability issue affecting Linux deployments, focusing on the SessionStart hook. Using Shell Scripting, the developer corrected the expansion of the CLAUDE_PLUGIN_ROOT environment variable by replacing single quotes with escaped double quotes, which enabled proper variable expansion and resolved persistent startup failures. This targeted bug fix eliminated 'No such file or directory' errors, ensuring more reliable plugin initialization and reducing support incidents. The work was carefully linked to issue tracking for traceability and recorded in version control for future audits, demonstrating a methodical approach to stability and maintainability in shell-based automation.