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Explain This Codebase to Me

Understand unfamiliar code fast: architecture, data flow, key files and where to start making changes.

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I just joined a project and need to understand this code quickly.

[PASTE CODE OR FILE TREE]

Explain:
1. What this code does, in 3 sentences a non-engineer would understand
2. The main components and how data flows between them
3. The 5 most important files or functions and why they matter
4. Anything surprising, risky or unusually complex
5. Where I should look first if I need to [TASK I NEED TO DO]

Use a simple ASCII diagram for the data flow.

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