What
Attachment uploads are now prechecked and refused with an explanatory error when sending file contents to Anthropic servers is not permitted.
Details
- refuses when the provider is not first-party, when the privacy configuration restricts traffic, or when the
allow_send_filepolicy denies - a policy cache miss also denies rather than falling through
- outcomes are logged under
bridge_attachment_uploadwith reasonsnot_first_party,essential_traffic,policy_cache_missandpolicy_denied
Evidence
upload disabled: uploading file contents to Anthropic servers is not permitted on this API provider
Strings lifted out of the shipped bundle, so the claim above can be checked against them.