Broken external links

[cplieger]

Automated weekly external-link check. Report-only: this never blocks a merge.

A link here may be a genuine rot, a moved page, or a host that was
briefly unreachable. 429 and 5xx responses are already accepted, so
entries below are mostly 404s and DNS failures.

Summary

Status	Count
🔍 Total	35
🔗 Unique	34
✅ Successful	34
⏳ Timeouts	0
🔀 Redirected	2
👻 Excluded	0
❓ Unknown	0
🚫 Errors	1
⛔ Unsupported	0

Errors per input

Errors in ./README.md

• [403] https://openai.com/ (at 225:85) | Rejected status code: 403 Forbidden

Run: https://github.com/cplieger/ci/actions/runs/31133220666