- Introduced `fixer` role for implementing code fixes based on RCA reports, including phases for parsing RCA, planning fixes, implementing changes, and documenting results.
- Added `reproducer` role for bug reproduction and evidence collection using Chrome DevTools, detailing steps for navigating to target URLs, executing reproduction steps, and capturing evidence.
- Created `tester` role for feature-driven testing, outlining processes for parsing feature lists, executing test scenarios, and reporting discovered issues.
- Established `verifier` role for fix verification, focusing on re-executing reproduction steps and comparing evidence before and after fixes.
- Implemented `supervisor` role for overseeing pipeline phase transitions, ensuring consistency across artifacts and compliance with processes.
- Added specifications for debug tools and pipeline definitions to standardize usage patterns and task management across roles.