> ## Documentation Index
> Fetch the complete documentation index at: https://agent-harness101.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Editing & execution

> Reading explains the change; editing and execution prove it.

## The question

It can inspect code. Why can't it finish the fix?

## The answer

Reading explains the change; editing and execution prove it.

```mermaid theme={null}
flowchart LR
n0["Read / search"]
n1["Edit files"]
n2["Run shell"]
n0 --> n1
n1 --> n2
```

### Source

[Claude Code docs — code.claude.com/docs](https://code.claude.com/docs) — Maps to Claude Code’s real tool set: Read/Grep/Glob, Edit/Write, Bash — the loop is the documented agentic-coding pattern, not an invented one.

<Tip>
  **Design decision:** **Read → Edit → Run → Observe** *→ repeat*
</Tip>

## Continue the walkthrough

<Card title="Context rot" icon="arrow-right" href="/context/context-rot">
  Continue to topic 3 of 14.
</Card>


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