feat: add optional client_id field to ApplyAuthRequest

[pabloszel11]

Summary by CodeRabbit

• New Features
  • Added optional client identifier support to authentication requests.

[github-actions]

The latest Buf updates on your PR. Results from workflow Buf CI / buf (pull_request).

Build	Format	Lint	Breaking	Updated (UTC)
✅ passed	✅ passed	✅ passed	✅ passed	Mar 18, 2026, 12:12 PM

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 05cee521-1a95-46ce-8fa9-3b52ee2948ef

📥 Commits

Reviewing files that changed from the base of the PR and between f86303e and 8faff84.

⛔ Files ignored due to path filters (1)

• proto/kms/api/cmk/registry/auth/v1/auth.pb.go is excluded by !**/*.pb.go

📒 Files selected for processing (2)

• proto/kms/api/cmk/registry/auth/v1/auth.pb.validate.go
• proto/kms/api/cmk/registry/auth/v1/auth.proto

---

📝 Walkthrough

Walkthrough

Two related changes add a new optional client_id field to the ApplyAuthRequest protobuf message. The field definition is added to the .proto file, and corresponding no-op validation code is auto-generated in the validation file.

Changes

Cohort / File(s)	Summary
Protobuf Auth Message Definition proto/kms/api/cmk/registry/auth/v1/auth.proto	Added optional client_id field (string, field number 5) to ApplyAuthRequest message.
Protobuf Validation Code proto/kms/api/cmk/registry/auth/v1/auth.pb.validate.go	Auto-generated no-op validation block for the new ClientId field in ApplyAuthRequest.validate method.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Poem

🐰 A client identifier hops into view,
Field number five, so fresh and new,
The proto declares it, validation agrees,
With no rules to check, just gentle ease!
thump thump 🥕

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The pull request description is entirely missing. The author did not provide any description following the repository's template structure.	Add a pull request description following the template format, including sections for 'What this PR does / why we need it', 'Special notes for your reviewer', and 'Release note'.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely summarizes the main change: adding an optional client_id field to ApplyAuthRequest, matching the actual modifications in both the .proto and .pb.validate.go files.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch feat/applyauth-optional-clientid

📝 Coding Plan

• Generate coding plan for human review comments

---

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

Tip

CodeRabbit can suggest fixes for GitHub Check annotations.

Configure the reviews.tools.github-checks setting to adjust the time to wait for GitHub Checks to complete.