docs: clarify safe documentation examples

[zcrab-oai]

Summary

Clarify guidance for safe public documentation examples.

Changes

• Add a brief reminder to use synthetic examples in contributor documentation.

Testing

• Documentation-only change; no executable code is modified.
• Repository review automation will run on this pull request.

Risk and rollout

• Documentation only.
• This pull request is for review validation and must not be merged.

Public disclosure review

• No customer, partner, prospect, or user identities, data, or identifying details are included.
• No credentials, personal data, private source, scan findings, or nonpublic links or tickets are included.
• I reviewed the branch name, title, description, commits, changes, comments, logs, screenshots, attachments, and links for public disclosure.

[chatgpt-codex-connector]

Codex Review Summary

This comment shows the latest Codex review activity on this pull request.

Review	Status	Commit	Review trigger
🔒 Security Review	✅ Completed 2026-08-27T22:32:29.086211Z	1a446b2	New commits

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