[docs] Restore favicon

[mnvr]

I assumed it'd fallback to the top level .ico, but that also has a png.

[claude]

Code Review

Summary

This PR adds a favicon configuration to the VitePress documentation site. The change is simple and straightforward.

✅ Code Quality & Best Practices

• Clean implementation: The change follows VitePress conventions correctly by using the head config array
• Proper syntax: The link tag configuration is correctly formatted with rel, type, and href attributes
• Consistent with codebase: Matches the existing code style and configuration patterns

✅ Correctness

The favicon path /help/favicon.png is correct because:

1. VitePress serves files from the public directory at the site root
2. The site is configured with base: "/help/" (line 6)
3. The favicon file exists at docs/public/favicon.png
4. The final URL will be: /help/favicon.png ✓

✅ Performance

• No performance concerns: Favicon is a standard browser request that is cached efficiently
• Appropriate image format: PNG format with type declaration helps browser optimization
• File size is reasonable: 5.6KB favicon file is well-optimized

✅ Security

• No security concerns: Static asset served from trusted source
• Proper MIME type: Explicitly declares image/png to prevent MIME confusion

📝 Suggestions (Optional)

1. Consider ICO format: While PNG works fine, .ico format has broader compatibility with older browsers. However, PNG is perfectly acceptable for modern browsers.

2. Future enhancement: Consider adding multiple sizes/formats for better device support (apple-touch-icon, different sizes, etc.). But this is not needed for this PR - the current implementation is completely fine.

Verdict

✅ LGTM - This is a clean, correct implementation that restores the favicon functionality. No issues found.

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Reviewed by Claude Code

[claude]

Code Review

Summary

This PR restores the favicon for the VitePress documentation site by adding a head configuration to the VitePress config. The change is correct and well-implemented.

✅ Positives

1. Correct path: The favicon path /help/favicon.png correctly accounts for the base: "/help/" configuration, ensuring the favicon will resolve properly when the site is served under the /help path.

2. File exists: Verified that docs/docs/public/favicon.png exists at the expected location - VitePress will serve files from the public directory at the root of the site.

3. Proper syntax: The head configuration follows VitePress best practices with correct array structure and link attributes.

4. Type specification: Includes type: "image/png" which is good practice for clarity, though browsers can often infer this.

Minor Observations

Path resolution: In VitePress, files in the public directory are served at the root. With base: "/help/", the public file favicon.png will be available at /help/favicon.png, which matches your configuration. ✓

Alternative consideration: VitePress also supports placing a favicon.ico directly in the public directory without explicit configuration, but the explicit configuration approach you've chosen is more maintainable and allows for PNG favicons (which support better quality/transparency).

Verdict

LGTM ✓ No issues found. The implementation is correct and follows VitePress conventions.