Fix red develop 091ccafcab19

The merge lane found `develop` red at `091ccafcab1904521023d616aac9f71d943265c9` on its own: no queued PR merges until it is fixed. Failing (tests and gate stages): - `markdown-links-378-docs` The whole gate log: artifact `11899` on lane task 11138. Make `develop` pass its full gate again. Open a PR as usual: the merge lane merges a PR that fixes some of these and adds no failure even while `develop` is red.

Markdown-links stage was red: github.com/jaah-ai/jaah-ce returns 404 because the mirror isn't public yet. Added it to the link-check ignore list, alongside the agent-sdk and agent-connectors roots already there. Quick gate green; PR #7283 is queued to the lane. Memory: none applied.