<!-- Add the related story/sub-task/bug number, like Resolves#123, or
remove if NA -->
**Related issue:** Resolves#46790
Example live run off this branch:
https://github.com/fleetdm/fleet/actions/runs/27005120262
Example stale issue with comment:
https://github.com/fleetdm/fleet/issues/18421
- Added `@author` mention when marking issue as stale
- Refactored so that both Fleetie and eng-initiated stale issue bots use
the same core JS code
- Run Fleetie-initiated workflow on a schedule
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Automated stale-issue workflows for engineering-initiated and Fleetie
issues with configurable dry-run, max-operations, manual triggers, and
scheduled runs.
* **Tests**
* Added shared test helpers and expanded, tightened test suites covering
staleness, closing, unstale, and error/boundary behaviors.
* **Refactor**
* Introduced a shared stale-issue engine used by thin,
author/label-based wrappers for consistent behavior and messaging.
* **Chores**
* Updated workflow triggers, permissions, and CI test matrix to include
the new core and wrappers.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
<!-- Add the related story/sub-task/bug number, like Resolves#123, or
remove if NA -->
**Related issue:** Resolves#45700
Not a product change. This PR will allow us to run the workflow
manually. After ~2 weeks, if there are no issues, we'll make it
automatic.
## Testing
- [x] Added/updated automated tests
- [x] QA'd all new/changed functionality manually
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Added automated workflow to identify and close stale issues created by
Fleet team members, with dry-run capability and operation limits.
* Added system to build and maintain a deduplicated list of Fleet team
member handles from GitHub organization and repository history.
* **Tests**
* Added comprehensive test suites for stale issue management and handle
list generation with mock GitHub API interactions and boundary condition
coverage.
<!-- review_stack_entry_start -->
[](https://app.coderabbit.ai/change-stack/fleetdm/fleet/pull/45530?utm_source=github_walkthrough&utm_medium=github&utm_campaign=change_stack)
<!-- review_stack_entry_end -->
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Victor Lyuboslavsky
