Chapter 2: Prompt Loop Design
Prompting is not a single one-shot request — it is a sequential engineering loop.
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1. The Atomic Loop Formula
Every production build prompt follows a strict 4-part structure:
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$$\text{Prompt} = \text{Context} + \text{Task} + \text{Constraints} + \text{Output Format}$$
- Context: State the current project, stack, and file location.
- Task: Define the exact feature module to create or modify.
- Constraints: Enforce rules (e.g. "Use Vanilla CSS Modules; pass TypeScript validations").
- Output Format: Instruct the agent to output clean, runnable code without boilerplate explanations.
2. Chaining Incremental Loops
- Loop 1 (Layout Skeleton): Build HTML structure and responsive viewport containers.
- Loop 2 (State Hydration): Wire up local component state and user interactions.
- Loop 3 (Data Binding): Connect server API routes and database helpers.