Technical Reference · Architecture & Governance
Technical Reference
Architecture diagrams, MCP registry, ADLC, security, observability, data contracts, and prompt library across all 5 MVPs.
Reference Architecture
Layer 1
User / Channel Layer
Web UI (Next.js)Email / EDI / PortalChat (Buyer & Planner Co-pilots)Mobile (Fiori-style)
Layer 2
Agent Orchestration Layer
TradeDeductionOrchestrator (M1)CollectionsOrchestrator (M2)InvoiceTriageOrchestrator (M3)BuyerCopilot.Orchestrator (M4)DemandSensingOrchestrator (M5)
Layer 3
Guardrail / Policy Layer
OPA Policy EnginePII / PHI redactionPrompt-injection screenHITL routing matrixSpend & approval thresholds
Layer 4
Tool Layer (MCP)
MCP-S4 (SAP S/4)MCP-AR (Accounts Receivable)MCP-DPP (Demand Planning Platform)MCP-TPM (Trade Promotion Mgmt)MCP-S2P (Source-to-Pay)MCP-Analytics (uplift, MAPE, attribution)
Layer 5
Systems of Record
SAP S/4HANA · BWHigh Radius (collections)TPM platform (deals)Coupa / Ariba (procurement)IBP / o9 (demand planning)Snowflake (analytics)
All inter-layer calls are logged to the agent run-trace store. Tool invocations cross the Guardrail layer for policy + redaction enforcement before reaching MCP servers.