Project
Roulette

Release Train Board

Drag work through columns and watch cycle time appear on its own.

IntermediateWeb appDashboard12–24hAI-buildable 5/5no setupworth shipping

A kanban board that measures itself. Cards move through columns by drag, and the board quietly timestamps every transition so it can show how long work actually sits in each stage. Most kanban clones stop at drag-and-drop; the measurement layer is what makes this one worth building and worth keeping.

UI
Logic
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Core features · 7

  • Columns for the stages of work, with cards that drag between them
  • Every column transition is timestamped
  • Each card shows how long it has been in its current column
  • A summary panel shows average time per column across all cards
  • Cards can be created, edited inline and archived
  • Board state persists across reloads
  • Keyboard-accessible move controls alongside drag

The interesting part

  • Drag-and-drop that is also fully keyboard operable
  • Storing transition history without the payload growing unbounded
  • Reordering within a column as well as between columns

Once it works

  • Add a cumulative flow diagram
  • Add WIP limits that warn when a column is over capacity
  • Export the board as JSON

Suggested stack

reacttypescripttailwinddnd-kitdate-fnslocalstorage

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