Self-check: Claude Code

Claude Code Operation

1. Name the four instruction-file scopes in the order they load.

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2. A project instruction file says "use tabs" and a subdirectory file says "use spaces". What does Claude Code actually load, and which instruction wins?

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3. You want to guarantee that a command is never run, regardless of what the model decides. Which of an instruction file, a settings rule, and a hook achieves that, and why do the others not?

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4. Quote, in your own words, what the documentation says about whether instruction files are enforced configuration.

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5. What is the difference between `/clear` and `/compact`? Which one keeps the conversation going?

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6. After `/clear`, is the previous conversation recoverable? How?

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7. A `PreToolUse` hook exits with status 2. What happened, and is that a failure?

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8. Where does a `PreToolUse` hook get the details of the pending call?

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9. You want a teammate to get your custom slash command when they clone the repository. Where does the file go, and where would it be useless for that purpose?

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10. What distinguishes a built-in command from a bundled skill?

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11. Which flag runs Claude Code non-interactively, and what does its exit status tell a script?

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12. Name the three `--output-format` values and say when each is the right choice.

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13. Streaming output needs more than `--output-format stream-json`. What else, and what is the first event and the last line of the stream?

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14. What does `--bare` skip, and why would a CI job want that?

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15. In auto mode, what reviews an action instead of you?

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16. How does `acceptEdits` differ from `dontAsk`?

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17. What does `/init` produce?

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18. What does a subagent return to the parent conversation, and why is that the reason to use one?

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19. How does a Skill differ from a custom tool or an MCP server?

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20. This repository's hook is described as protecting a ground-truth file from writes. Name a command it denies that writes nothing at all, and explain why.

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