* feat(knowledge): add independent Wiki and entity relation retrieval tools
* fix(knowledge): address review diagnostics and CI catalog coverage
* fix(knowledge): deduplicate graph evidence and update catalog e2e
* fix(knowledge): clarify bounded evidence and pin browser CI runners
* Update e2e-tests to run on ubuntu-latest
* Update workflow to use ubuntu-latest
* test(ci): stop pinning maintainer-controlled browser runner images
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Co-authored-by: Willem Jiang <willem.jiang@gmail.com>