docs: fix "preformed" typo in Twitter clone guide

[Rohan5commit]

Summary

• Fix the "preformed" typo in the Twitter clone guide

Related issue

• N/A (trivial docs-only typo fix)

Guideline alignment

• Followed the repo guidance in README.md and AI_AGENT_DEVELOPER_GUIDE.md
• Keeps the change to one sentence in one documentation file

Validation/testing

• Not run; docs-only wording change

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Note

Low Risk
Low risk docs-only change with no runtime or behavioral impact.

Overview
Fixes a spelling mistake in content/develop/clients/patterns/twitter-clone.md, changing "preformed" to "performed" in the isLoggedIn description.

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[Copilot]

Pull request overview

This PR corrects a single-word typo in the Twitter clone documentation guide to improve clarity and professionalism in the authentication walkthrough.

Changes:

• Replaced “preformed” with “performed” in the description of isLoggedIn steps.

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[dwdougherty]

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