## Summary
This change includes comment attachments in workspace storage usage and
checks workspace storage quota before accepting a new comment attachment
upload.
## Impact
Comment attachments already had a per-file size limit, but they were not
counted in the same workspace storage usage path as other uploaded
blobs. A user with comment permission could keep adding attachments
without those bytes participating in workspace storage quota
calculations.
## Fix
- Count comment attachment bytes in workspace storage usage
reconciliation.
- Check the workspace quota before storing a new comment attachment.
- Return the existing comment attachment quota error when the upload
would exceed limits.
## Validation
- `git diff --check`
- Full test/lint suite was not run locally because dependencies are not
installed in this checkout.
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Workspace attachment uploads now respect storage and file quota limits
more accurately.
* Workspace storage tracking now includes comment attachments, improving
quota enforcement.
* **Bug Fixes**
* Attachment uploads now fail with a clear quota error when a workspace
is out of space or blob capacity.
* Storage usage calculations now better reflect actual workspace
content, including non-deleted files.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Signed-off-by: failsafesecurity <190101117+failsafesecurity@users.noreply.github.com>
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