fix: improve gitlab_issue_search tool
What does this merge request do and why?
Reduce gitlab_issue_search tool description size from 3077 to 47 characters while keeps the same input schema and achieves the same tool routing evaluation performance.
- Routing performance on main branch: https://smith.langchain.com/o/477de7ad-583e-47b6-a1c4-c4a0300e7aca/datasets/e52343ed-23e2-4478-a1bf-44c1441a908d/compare?selectedSessions=eb081899-0f79-4c25-a10a-14a1f80f8c11&baseline=undefined
- Routing performance on this MR: https://smith.langchain.com/o/477de7ad-583e-47b6-a1c4-c4a0300e7aca/datasets/e52343ed-23e2-4478-a1bf-44c1441a908d/compare?selectedSessions=4c1e7ea2-a9e1-420f-ac60-5fbbfb05255d&baseline=undefined
How to set up and validate locally
Numbered steps to set up and validate the change are strongly suggested.
Merge request checklist
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Tests added for new functionality. If not, please raise an issue to follow up. -
Documentation added/updated, if needed. -
If this change requires executor implementation: verified that issues/MRs exist for both Go executor and Node executor or confirmed that changes are backward-compatible and don't break existing executor functionality.