Worked Design — AI in a Legacy MVC Application

1. What is the primary rule for integrating AI into a legacy MVC application according to the lesson?

The AI must replace existing services AI lives in a sidecar service The database schema must be rewritten AI should directly modify the legacy codebase

2. Which component is NOT recommended for AI integration in the legacy MVC application?

Internal documentation QA Order processing workflows Ops assistant for job failures AI-ready repository

3. What is the purpose of the 'fail-closed' degradation approach mentioned in the lesson?

To ensure the AI always returns results To provide an error message when the sidecar is unavailable To let the page render without the AI panel if the sidecar fails To allow the AI to access user permissions

4. Why should the rollout of AI features be phased according to the lesson?

To ensure all AI features are deployed simultaneously To reduce costs associated with the AI integration To sequence by risk, starting with the cheapest risk first To appease executive management requesting immediate AI results

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