A product whose core functionality matches a category listed in Annex III is an important product and must follow the stricter conformity routes in Article 32(2) (class I) or 32(3) (class II). Integrating such a component does not by itself move the host product into those routes; the test is the core functionality of the product being placed on the market.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.