Migrate user-attachments images to local storage and update to toolkit v0.8.0

[Copilot]

Migrates GitHub user-attachments image references to local repository storage to improve reliability and prepare for exercise-toolkit v0.8.0 which adds relative link support.

Changes

• Image migration: Moved user-attachments/assets/8aa4a918-c877-4214-9efe-c9a99ca6421b to .github/images/create-branch-screenshot.png
• Markdown update: Changed 1-step.md image reference from absolute URL to relative path ../images/create-branch-screenshot.png
• Workflow upgrade: Updated start-exercise reusable workflow from @v0.7.3 to @v0.8.0 in 0-start-exercise.yml
• Preserved external images: Left octodex and other non-user-attachment images as absolute URLs

Note

Network restrictions prevented downloading the actual image. Placeholder PNG created with download instructions in .github/images/README.md. Other exercise-toolkit references remain at @v0.6.0 as intended.

- <img width="400" alt="create branch screenshot" src="https://github.com/user-attachments/assets/8aa4a918-c877-4214-9efe-c9a99ca6421b" />
+ <img width="400" alt="create branch screenshot" src="../images/create-branch-screenshot.png" />

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• github-production-user-asset-6210df.s3.amazonaws.com
  • Triggering command: /usr/bin/curl curl -L REDACTED -o .github/images/create-branch-screenshot.png (dns block)
  • Triggering command: /usr/bin/wget wget REDACTED -O .github/images/create-branch-screenshot.png (dns block)
  • Triggering command: /home/REDACTED/work/_temp/ghcca-node/node/bin/node /home/REDACTED/work/_temp/ghcca-node/node/bin/node --enable-source-maps /home/REDACTED/work/_temp/copilot-developer-action-main/dist/index.js (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)

Original prompt

Image Migration Task: Migrate External Images to Local Repository

Objective

Migrate GitHub user-attachments image references to local repository files in .github/images/ with descriptive filenames and relative links.

Task Steps

1. Find All User-Attachments Image References

Search .github/steps/*.md files for user-attachments image URLs:

• https://github.com/user-attachments/assets/*

Important: Only migrate user-attachments images. Leave other external images (octodex, img.shields.io, etc.) as absolute URLs.

2. Create Images Directory

mkdir -p .github/images

3. Download and Rename Images

For each user-attachments image:

Download the image:

curl -L "<image-url>" -o ".github/images/<descriptive-name>.png"

Naming convention:

• Use kebab-case (lowercase with hyphens)
• Name based on content or alt text
• Keep it descriptive and clear
• Preserve original file extension

Examples:

• Alt text "search box with 'python' value" → python-search-box.png
• Alt text "target branch settings" → branch-protection-target-settings.png
• Generic "image" with button context → new-workflow-button.png

Do not download:

• Octodex images (octodex.github.com)
• Badge images (img.shields.io)
• Any other external hosted images

4. Update Markdown References

Replace user-attachments URLs with relative paths:

Find pattern:

src="https://github.com/user-attachments/assets/..."

Replace with:

src="../images/descriptive-filename.png"

Important:

• Preserve all other attributes (width, alt text, etc.)
• Do not change other external image URLs (octodex, shields.io, etc.) - keep them as absolute references

5. Verify Changes

• All user-attachments images downloaded successfully to .github/images/
• All filenames are descriptive (no generic names or UUIDs)
• All markdown files updated with relative paths for user-attachments images
• Relative paths are correct (../images/ from .github/steps/)
• No broken image links
• Zero net new files added (only images in .github/images/ should be new)
• Other external images (octodex, shields.io, etc.) remain as absolute URLs

6. Update start-exercise reusable workflow version

Update start-exercise reusable workflow that is used to v0.8.0 version which is the first release of exercise-toolkit that supports relative links.

Important: Only update the start-exercise version reference. Do not modify any other references to exercise-toolkit elsewhere in the repository.

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