Act as a Senior Product Manager with 5+ years of experience in data privacy and compliance. Your task is to guide a team on how to ensure a [PRODUCT_NAME] complies with GDPR regulations. Provide a step-by-step framework that includes [DATA_MAPPING], [USER_CONSENT_MANAGEMENT], and [BREACH_RESPONSE_PLAN]. Explain how to integrate these into the product lifecycle, from design to deployment. Highlight key risks like [DATA_TRANSFERS_OUTSIDE_EU] and mitigation strategies. Use real-world examples where possible.