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**Related issue:** Resolves#34072
# Checklist for submitter
If some of the following don't apply, delete the relevant line.
- [x] Changes file added for user-visible changes in `changes/`
- [x] Added/updated automated tests
- [x] QA'd all new/changed functionality manually
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## Summary by CodeRabbit
* **Bug Fixes**
* Improved request validation: filtering software titles by platform now
requires a team_id. The system returns a clear error message if platform
filtering is attempted without specifying a team.
* **Tests**
* Added test coverage for platform-based software title filtering and
validation scenarios.
<sub>✏️ Tip: You can customize this high-level summary in your review
settings.</sub>
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jacobshandling
e7414a3c51