SDK + Adapter Pattern

Adding a new app should be "a skill init away". Each app implements the SupportIntegration interface.

Architecture Overview

Support Platform                          App Integration
┌─────────────────┐                      ┌─────────────────┐
│ Agent Tool      │  HTTPS + HMAC-SHA256 │ createSupport-  │
│ (lookupUser,    │─────────────────────►│ Handler         │
│  processRefund) │  x-signature header  │ (verifies sig)  │
└────────┬────────┘                      └────────┬────────┘
         │                                        │
         ▼                                        ▼
┌─────────────────┐                      ┌─────────────────┐
│ IntegrationClient│                     │ SupportIntegration
│ (signs requests) │                     │ (your impl)     │
└─────────────────┘                      └─────────────────┘