Revolutionary Update: Shuttle Now Accommodates Link Compact State Messages!

This game-changing feature enhances efficiency and functionality in data handling, marking a significant leap forward for the platform.

Commit Details:

feat: support link compact state messages in shuttle (#1974) ## Motivation Support link compact state messages in shuttle ## Change Summary Describe the changes being made in 1-2 concise sentences. ## Merge Checklist _Choose all relevant options below by adding an `x` now or at any time before submitting for review_ - [x] PR title adheres to the [conventional commits](https://www.conventionalcommits.org/en/v1.0.0/) standard - [x] PR has a [changeset](https://github.com/farcasterxyz/hub-monorepo/blob/main/CONTRIBUTING.md#35-adding-changesets) - [x] PR has been tagged with a change label(s) (i.e. documentation, feature, bugfix, or chore) - [ ] PR includes [documentation](https://github.com/farcasterxyz/hub-monorepo/blob/main/CONTRIBUTING.md#32-writing-docs) if necessary. - [x] All [commits have been signed](https://github.com/farcasterxyz/hub-monorepo/blob/main/CONTRIBUTING.md#22-signing-commits) ## Additional Context If this is a relatively large or complex change, provide more details here that will help reviewers <!-- start pr-codex --> --- ## PR-Codex overview This PR adds support for handling compact link state messages in the `shuttle` package. ### Detailed summary - Added support for `targetFids` array in `UsernameProofBodyJson` - Updated handling of `LINK_COMPACT_STATE` messages in `utils.ts` - Added test for handling compact link state messages in `shuttle.integration.test.ts` > ✨ Ask PR-Codex anything about this PR by commenting with `/codex {your question}` <!-- end pr-codex -->