[yordis]

• Preserves the intended API shape where callers may supply a command UUID but omission still falls back to an internally generated value
• Prevents explicit invalid overrides from quietly weakening command identity guarantees and drifting away from the documented contract

[cursor]

PR Summary

Medium Risk
Tightens validation for :command_uuid overrides during command dispatch, which may break callers that previously passed nil or non-binary values and relied on silent UUID generation.

Overview
Command dispatch now enforces a valid :command_uuid override. Router dispatching uses a new Router.fetch_command_uuid/1 helper to generate a UUID only when the option is omitted, and to raise an ArgumentError when :command_uuid is explicitly provided as nil or any non-binary value.

Docs for Commanded.Application.dispatch/2 and Commanded.Commands.Router.dispatch/2 were updated to clarify the “omitted vs provided” behavior, and tests were added to assert rejection of invalid overrides.

^{Reviewed by Cursor Bugbot for commit 73c3657. Bugbot is set up for automated code reviews on this repo. Configure here.}

[coderabbitai]

Warning

Rate limit exceeded

@yordis has exceeded the limit for the number of commits that can be reviewed per hour. Please wait 3 minutes and 21 seconds before requesting another review.

Your organization is not enrolled in usage-based pricing. Contact your admin to enable usage-based pricing to continue reviews beyond the rate limit, or try again in 3 minutes and 21 seconds.

⌛ How to resolve this issue?

After the wait time has elapsed, a review can be triggered using the @coderabbitai review command as a PR comment. Alternatively, push new commits to this PR.

We recommend that you space out your commits to avoid hitting the rate limit.

🚦 How do rate limits work?

CodeRabbit enforces hourly rate limits for each developer per organization.

Our paid plans have higher rate limits than the trial, open-source and free plans. In all cases, we re-allow further reviews after a brief timeout.

Please see our FAQ for further information.

ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: a71010ca-d978-469d-9471-2ce89cbb664d

📥 Commits

Reviewing files that changed from the base of the PR and between 0813343 and 73c3657.

📒 Files selected for processing (3)

• lib/application.ex
• lib/commanded/commands/router.ex
• test/commands/command_identity_test.exs

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch yordis/fix-command-uuid-contract

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

_{Comment @coderabbitai help to get the list of available commands and usage tips.}