Patronage QuickBooks MCP

Public endpoints:
- Terms: https://qbmcp.patronage.org/terms
- Privacy policy: https://qbmcp.patronage.org/privacy
- Connect: https://qbmcp.patronage.org/connect
- Disconnect: https://qbmcp.patronage.org/disconnect

Operational endpoints:
- Health: https://qbmcp.patronage.org/health
- MCP proxy: /mcp/*, disabled until MCP_UPSTREAM_URL is configured