Worked on the titicacadev/triple-frontend repository to enhance frontend routing by implementing robust regular expression improvements for the TNA feature. Focused on supporting optional path segments and query parameters, the changes enabled accurate matching for routes such as /tna, /tna/some/path, and /tna/regions/.../products/. Utilized TypeScript and Markdown to update routelist.ts, related utilities, and developer-facing documentation. Managed the lifecycle of these changes through multiple commits, including a safe revert when necessary, and documented the public_routerlist fix in the CHANGELOG for version 13.40.1. Prioritized maintainability, release transparency, and improved test coverage throughout the process.