Design a system for managing feature flags in ML models.
Instruction: Outline a system that utilizes feature flags for enabling/disabling model features in production without redeployment.
Context: This question assesses the candidate's ability to implement feature flags, a technique for dynamically managing model features, facilitating testing and gradual rollouts.
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I would use feature flags to control model activation, feature-path selection, fallback logic, and experimental behavior independently from code deployment...