Ticket 2: Roadmap board with four statuses

[screen-gd]

Parent

Part of #1.

What to build

A roadmap board where makers create Roadmap Items and move them across Under review, Planned, In progress, and Shipped, browsed grouped by status.

Acceptance criteria

• Maker can create a Roadmap Item with an initial status
• Maker can move an item across the four statuses
• Board groups items by status and each move is visible immediately

Blocked by

• Ticket 1: Product-store seam with local-first persistence #2