CONV-319: document file upload endpoint
Merged
ME
5mo ago+6+6+0123456789-0-0-0123456789
Adds test for CONV-319.
š¤ Generated with Claude Code
Summary by cubic
Adds an OpenAPI test that verifies the file upload endpoint is documented at /files with a POST operation, fulfilling CONV-319. This guards against missing or regressed API docs for uploads.