[eas-cli] add support for non-interactive update:rollback

[quinlanj]

Why

Slack context: https://exponent-internal.slack.com/archives/C083Q88U4M8/p1780603389422949

eas update:rollback used to be interactive only: it prompts whether to republish a previous update or roll back to the embedded bundle, then delegates to eas update:republish / eas update:roll-back-to-embedded. Teams building rollback pipelines (e.g. with access controls around who can change prod) want a single non-interactive command that "just rolls back the specified update" without having to know which of the two underlying commands to run. Motivated by a customer request.

Manual testing

Published regular update (eas update --branch main)

Rollback with only 1 update group published for runtime/branch pair

Rollback when update group is not latest for runtime/branch pair

Rollback with multiple update groups published for runtime/branch pair

Rollback with invalid group id

How

Adds an optional positional GROUP_ID argument to eas update:rollback:

• Looks up the group and derives its branch + runtime version.
• Requires the group to be the latest (live) update for that branch + runtime version. Clients on a given runtime version are served the most recent update group, so a rollback only makes sense for the live one. If the passed group is not the latest, the command errors and names the actual latest group — a stale/wrong ID, or a newer update published in between, halts the pipeline rather than silently reverting the wrong thing.
• Republishes the update group published immediately before it; if there is none, publishes a roll back to the embedded update.
• Delegates to the existing eas update:republish / eas update:roll-back-to-embedded commands, reusing all of their validation and publish logic. --message (with sensible defaults), --platform, --private-key-path, and --json are forwarded.

With no GROUP_ID, the existing interactive behavior is unchanged; in --non-interactive mode the argument is required.

The latest/previous lookup uses the modern updateGroupsPaginated Relay connection (UpdatesFilterV2), fetching just the top two groups for the runtime version.

Test Plan

• New unit tests in rollback.test.ts (7 cases): republish previous group, roll back to embedded when there is no previous group, not-latest → error, missing group ID in --non-interactive → error, and --message / --platform / --private-key-path / --json forwarding on both delegated paths.
• yarn test src/commands/update — all update-command suites pass.
• yarn typecheck, yarn lint, and yarn fmt:check are clean.
• yarn verify-graphql-code confirms the generated GraphQL is in sync.

[github-actions]

✅ Thank you for adding the changelog entry!

[codecov]

Codecov Report

❌ Patch coverage is 77.35849% with 12 lines in your changes missing coverage. Please review.
✅ Project coverage is 58.08%. Comparing base (58982ee) to head (9a42f50).

Files with missing lines	Patch %	Lines
packages/eas-cli/src/commands/update/rollback.ts	87.24%	6 Missing ⚠️
...ackages/eas-cli/src/graphql/queries/UpdateQuery.ts	0.00%	5 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3825      +/-   ##
==========================================
+ Coverage   58.04%   58.08%   +0.05%     
==========================================
  Files         917      917              
  Lines       39767    39812      +45     
  Branches     8329     8342      +13     
==========================================
+ Hits        23079    23122      +43     
- Misses      15237    15238       +1     
- Partials     1451     1452       +1     

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[github-actions]

Subscribed to pull request

File Patterns	Mentions
**/*	@douglowder
packages/eas-cli/src/commands/update/**	@wschurman

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