CDA/CMA Migration Guide
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This guide provides step-by-step migration instructions from deprecated GraphQL APIs (CMA/CDA) to the GCA, including mapping old concepts to new equivalents, schema transformation examples, client code updates, testing strategies, and rollout approaches. It covers common migration challenges, breaking change handling, maintaining backward compatibility during transition, and validation techniques to ensure feature parity after migration while highlighting the benefits and new capabilities available in the GCA.