Revise "Enforce authentication #nm2"

[TropicolX]

Clarified the explanation of default user authentication and updated example usage for better understanding.

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Note

Clarifies default user authentication behavior, updates examples, and specifies NOAUTH Authentication required. error and test expectations.

• Docs (stage_descriptions/auth-07-nm2.md):
  • Clarifies default user auto-auth via nopass and behavior after setting a password.
  • Specifies error to return for unauthenticated commands: NOAUTH Authentication required.
  • Streamlines example usage and test flow, including ACL SETUSER, ACL WHOAMI, and expected outputs.

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[github-actions]

LLM Doc Lint

14 tests   14 ✅  0s ⏱️
 1 suites   0 💤
 1 files     0 ❌

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