* swap EXA_API_KEY in CI, add DD_API_KEY to CI, add dd-agent to CI runners, and codify datadog agent config from kubernetes (also enable k8s logging)
* actually set exa api key properly
* actually fix it
* fix 'site' bug and change tags better
* fix 'site' bug and change tags better
* fix lmstudio post uv migration
* sync lmstudio to oss
* install dd after secres available
* move dd installation to startup script
* add a bunch of test to oss
* symlink and auto-detect dir
* symlink the other direction
* add pull_request_target logic
* remove undertaker and add alembic validation
* symlink doesn't work with gh actions and add validation workflow to ensure actions in cloud and oss are lockstep
* sync these
* specify extras selectively
