validation errors detected: Value at 'messages.3.member.content.3.member.document.format' failed to satisfy constraint: 
Member must satisfy enum value set: [docx, csv, html, txt, pdf, md, doc, xlsx, xls]; 

     bedrockContent.push({
                      document: {
                        format: part.mimeType?.split(
                          '/',
                        )?.[1] as BedrockDocumentFormat,
                        name: generateFileId(),
                        source: {
                          bytes: part.data,
                        },
                      },
                    });