ReferenceAPI references, architecture decision records, and archived documentationReference MCP Cart & Checkout APICart & Checkout API integration guide via MCPDIS Vendor CodesReference guide for DIS vendor codesRepository READMEsREADME files from all CROP repositoriesADRArchitecture Decision RecordsLinear ArchiveArchived Linear issuesGCP API Gateway ExpansionAudit and action plan for expanding API Gateway route coverage across all backend services.MCP Cart & Checkout API IntegrationGuide for integrating Cart & Checkout APIs via MCP