Release webhooks missing assets.links when created via CI/release-cli (release: keyword)
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### Summary
<!-- Summarize the bug encountered concisely. -->
When a release is created via CI/CD using the release: keyword (release-cli), the initial “create” webhook payload omits assets.links, even though links are visible in the UI. Any subsequent “update” webhook (e.g., editing release notes) includes the links correctly.
### Steps to reproduce
<!-- Describe how one can reproduce the issue - this is very important. Please use an ordered list. -->
1. Create a project with this .gitlab-ci.yml:
```
stages: [release]
release:
image: registry.gitlab.com/gitlab-org/release-cli:latest
stage: release
script:
- echo "Releasing"
rules:
- if: $CI_COMMIT_TAG
release:
tag_name: $CI_COMMIT_TAG
description: "Test release"
ref: "$CI_COMMIT_SHA"
assets:
links:
- name: example-asset
link_type: other
url: https://example.com/download
direct_asset_path: /binaries/linux-amd64
```
1. Push a tag (git tag v0.0.1 && git push origin v0.0.1).
1. Observe the “create” Release webhook payload.
### Example Project
<!-- If possible, please create an example project here on GitLab.com that exhibits the problematic
behavior, and link to it here in the bug report. If you are using an older version of GitLab, this
will also determine whether the bug is fixed in a more recent version. -->
### What is the current *bug* behavior?
<!-- Describe what actually happens. -->
The “create” webhook has assets.links: []. Only the auto-generated source archives are included.
On editing the release notes, the “update” webhook correctly includes the links.
### What is the expected *correct* behavior?
<!-- Describe what you should see instead. -->
The “create” webhook should contain assets.links with the defined links.
### Relevant logs and/or screenshots
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as it's tough to read otherwise. -->


### Related Issues
[gitlab-org/cli#7859](https://gitlab.com/gitlab-org/cli/-/issues/7859#note_2740903077)
### Output of checks
<!-- If you are reporting a bug on GitLab.com, uncomment below -->
<!-- This bug happens on GitLab.com -->
<!-- and uncomment below if you have /label privileges -->
<!-- /label ~"reproduced on GitLab.com" -->
<!-- or follow up with an issue comment of `@gitlab-bot label ~"reproduced on GitLab.com"` if you do not -->
#### Results of GitLab environment info
<!-- Input any relevant GitLab environment information if needed. -->
<details>
<summary>Expand for output related to GitLab environment info</summary>
<pre>
(For installations with omnibus-gitlab package run and paste the output of:
`sudo gitlab-rake gitlab:env:info`)
(For installations from source run and paste the output of:
`sudo -u git -H bundle exec rake gitlab:env:info RAILS_ENV=production`)
</pre>
</details>
#### Results of GitLab application Check
<!-- Input any relevant GitLab application check information if needed. -->
<details>
<summary>Expand for output related to the GitLab application check</summary>
<pre>
(For installations with omnibus-gitlab package run and paste the output of:
`sudo gitlab-rake gitlab:check SANITIZE=true`)
(For installations from source run and paste the output of:
`sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production SANITIZE=true`)
(we will only investigate if the tests are passing)
</pre>
</details>
### Possible fixes
<!-- If you can, link to the line of code that might be responsible for the problem. -->
### Patch release information for backports
If the bug fix needs to be backported in a [patch release](https://handbook.gitlab.com/handbook/engineering/releases/patch-releases) to a version
under [the maintenance policy](https://docs.gitlab.com/policy/maintenance/), please follow the steps on the
[patch release runbook for GitLab engineers](https://gitlab.com/gitlab-org/release/docs/-/blob/master/general/patch/engineers.md).
Refer to the [internal "Release Information" dashboard](https://dashboards.gitlab.net/d/delivery-release_info/delivery3a-release-information?orgId=1)
for information about the next patch release, including the targeted versions, expected release date, and current status.
#### High-severity bug remediation
To remediate high-severity issues requiring an [internal release](https://handbook.gitlab.com/handbook/engineering/releases/internal-releases/) for single-tenant SaaS instances,
refer to the [internal release process for engineers](https://gitlab.com/gitlab-org/release/docs/-/blob/master/general/internal-releases/engineers.md?ref_type=heads).
<!-- If you don't have /label privileges, follow up with an issue comment of `@gitlab-bot label ~"type::bug"` -->
issue
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