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Should you fix or rebuild your AI-built app?

Messy code doesn't automatically mean you need to start again. A rebuild can throw away working decisions and create new bugs. Base the decision on evidence.

Fixing is usually better when

• The data model matches how the business works.
• Problems are limited to specific features, permissions or integrations.
• The app already has users you can't easily migrate.
• You can add tests around the risky areas.

A rebuild may be justified when

• The data model can't represent the business correctly.
• The same rule exists in many conflicting places.
• Each change breaks unrelated parts of the app.
• Security problems run through the whole design.

Questions to ask a developer

• Which specific parts are wrong, and why?
• What would a smaller fix cost?
• How would existing data move safely?
• What risk remains after either option?

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