As a developer, I want file-based routing with nested layouts, So that navigation is clear and layouts persist across routes. **Agent**: B (Frontend/UI) **Full Details**: [docs/epics.md#story-15](../docs/epics.md#story-15-setup-react-router-v7-file-based-routing)
As a developer,
I want file-based routing with nested layouts,
So that navigation is clear and layouts persist across routes.
Agent: B (Frontend/UI)
Full Details: docs/epics.md#story-15