Engineer a governed intent qualification system that defines how acquisition environments filter demand, qualify user intent, enforce targeting constraints, and exclude low-value or irrelevant traffic before it enters paid acquisition systems. This service delivers a complete intent filtering framework including intent signal classification, audience and keyword qualification modeling, exclusion and constraint systems, eligibility control logic, signal integrity protection, and cross-channel qualification alignment to ensure only high-value demand enters the system, preserving efficiency and performance across paid retrieval environments.