[ ] added app-spec tests re getting headers from offline agents
testing/benchmarking notes
( if any manual testing or benchmarking was/should be done, add notes and/or screenshots here )
followups
( any new tickets/concerns that were discovered or created during this work but aren't in scope for review here )
changelog
[ ] if this is a code change that effects some consumer (e.g. zome developers) of holochain core, then it has been added to our between-release changelog with the format
- summary of change [PR#1234](https://github.com/holochain/holochain-rust/pull/1234)
documentation
[ ] this code has been documented according to our docs checklist
PR summary
testing/benchmarking notes
( if any manual testing or benchmarking was/should be done, add notes and/or screenshots here )
followups
( any new tickets/concerns that were discovered or created during this work but aren't in scope for review here )
changelog
documentation