Build authenticated merchant dashboard shell

[Cedarich]

• Complexity: Medium
• Overview: Create the core dashboard shell with navigation, wallet-aware header, and responsive layout for merchant workflows.
• Scope:
  • Add sidebar or top navigation for dashboard, invoices, and settings.
  • Show authenticated merchant wallet context in the header.
• Acceptance criteria:
  • Layout works on desktop and tablet widths.
  • Authenticated pages share a consistent shell and navigation state.

[aabxtract]

I’d like to work on this project. I’m a seasoned Fullstack developer, well-versed in using both TypeScript and JavaScript, TailwindCSS and ExpressJS for database coordination, testing, and other practical use cases. I work quickly and can deliver in a short time.

[grantfox-oss]

🦊 GrantFox — @aabxtract has been assigned to this issue as part of the Official Campaign campaign!

Next steps:

1. Open a Pull Request referencing this issue (e.g., Closes #152)
2. Your PR will be reviewed by the ZyntariHQ maintainers

Good luck! Track your progress on GrantFox.