feat: include platformCode in error responses (v0.10.0)
- Error(w, err) now extracts PlatformCode() from *xerrors.Err and includes "platformCode" in the JSON body when set; omitted otherwise - errorBody updated to accept platformCode as an explicit parameter - Upgraded code.nochebuena.dev/go/xerrors dependency to v0.10.0 - Added two new tests: platformCode included when set, omitted when absent Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in: