Minimal Abstractions

Quick Start

Before adding a new abstraction (interface, abstract class, wrapper, layer), ask:

1. Does a similar abstraction already exist in this project?
2. Are there 2+ concrete use cases requiring this abstraction RIGHT NOW?
3. Is the complexity cost justified by actual flexibility needs?

If any answer is "no" or "maybe" → Don't add it. Use the simplest solution that works.

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