Verify image migration completion - no changes required

[Copilot]

All user-attachments images were already migrated to local storage in commit 71198b9. This PR verifies compliance with migration requirements.

Current State

• 9 images in .github/images/ with descriptive kebab-case names
• 5 markdown files in .github/steps/ use relative paths (../images/)
• External images (octodex, shields.io) preserved as absolute URLs
• start-exercise workflow at v0.8.0 (supports relative links)

<!-- Before (already migrated) -->
<img src="https://github.com/user-attachments/assets/..." />

<!-- Current state -->
<img src="../images/python-search-box.png" />

Verification Results

✅ No user-attachments URLs in markdown files
✅ All image filenames descriptive (no UUIDs)
✅ Relative paths correct from .github/steps/
✅ External images remain absolute
✅ Workflow version v0.8.0

No changes required. Repository already compliant.

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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