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claude-code-first-project/prompts/02-add-categories.md
Kjell Tore Guttormsen ec708ba943 Initial commit: todo app guide with 5 prompts and examples
Complete companion repo for "Your First Hour with Claude Code" article.
Includes step-by-step prompts, example output, troubleshooting, and cost guide.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-15 16:04:07 +01:00

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# Prompt 02: Add Categories
Copy and paste this into Claude Code:
---
Add color-coded categories to the todo app. Requirements:
- Four categories: Work (blue #5B9FD6), Personal (green #4DB8A4), Health (orange #E87020), Learning (purple #A87BDB)
- When adding a task, show a dropdown to pick the category
- Each task shows a small colored dot or badge indicating its category
- Add filter buttons at the top: "All", "Work", "Personal", "Health", "Learning"
- Clicking a filter shows only tasks in that category
- "All" shows everything
- Active filter button should be visually highlighted
- Categories are saved in localStorage along with the tasks
- Keep the existing dark mode design
---
## What Happens
Claude Code reads the existing `index.html`, understands the current structure, and adds the category system without breaking anything that already works.
This is the agent loop in action: it does not start from scratch. It reads what exists, plans the changes, and edits precisely.
## What to Expect
- A category dropdown appears next to the task input
- Colored filter buttons appear above the task list
- Each task shows its category color
- Switching filters instantly shows/hides tasks
- Old tasks (without categories) still work