👤 [User Story]: Chain preceding and succeeding polities on world map

[edwardchalstrey1]

Role

Developer

Desired Feature

Clicking a polity means that not only is the border thickness and legend updated for that polity, but all succeeding an preceding

Benefit

You can track the evolution of succeeding polities on the world map in the context of other polities

Acceptance Criteria

See above

Dependencies

No response

Technical Notes

No response

Definition of Done

• The feature fulfills all acceptance criteria.
• The code is reviewed and meets team coding standards.
• All unit, integration, and end-to-end tests are passed.
• The feature meets accessibility standards set for the project.
• The code passes the CI/CD pipeline quality controls (style and linting).
• The feature is merged into the main branch.
• The feature is deployed and functional in the QA environment.
• The feature was demonstrated to the team and accepted by the product owner.