- Moved the existing patch coverage remediation plan from `current_spec.md` to a new file `patch_coverage_spec.md` for better organization and focus on security remediation.
- Updated the goal to emphasize restoring Codecov patch coverage to green by ensuring 100% of modified lines are executed by tests.
- Defined two workstreams: one for fixing patch coverage in specific backend files and another for updating prevention measures in instructions and agent files.
- Added a detailed missing files table to track Codecov patch report line ranges and corresponding test strategies.
- Included guidance on handling partial patch lines and common patterns for missed coverage.
- Specified a remediation plan with a test-first approach and per-file testing strategies for targeted coverage improvements.
- Updated relevant instructions and agent files to enforce patch coverage requirements and improve validation processes.
