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Chapter 3 of 15 · Architect
Lay out a modular codebase for your AI
You have a skeleton that runs and a spec that says what goes in it. Laid out well, your codebase is one your agent can extend for months without wrecking it; laid out badly, every new feature fights the last. This part draws those lines before the features land.
By the end of this part, you can:
- Lay your app out as modular pieces with clear boundaries
- Keep the parts loosely coupled so one change stays local
- Design clean seams between your code and the outside world
- Hand your agent a structure it can navigate and grow
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- 3.1Modularity: Setup a Modular Foundation
- 3.2Structure: Where Everything Lives
- 3.3Coupling: Keeping Pieces Independent
- 3.4Layers: Drawing the Boundaries
- 3.5API Design: Contracts That Last
- 3.6Integrations: Wrap the Services You Depend On
- 3.7Conventions: Naming Things Consistently
- 3.8Configuration: The Knobs You Will Turn
- 3.9Enforcement: Make the Wrong Thing Impossible
- 3.10Handoff: Teaching the AI the Layout
- 3.11Docs: Writing for Humans and AI
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