docs(ack-id): fix README typo, link, and type guard exports

[crazywriter1]

Problem

The ack-id README had three copy-paste issues:

• The A2A handshake example started with t const response, which is invalid TypeScript.
• The demo link used ../docs/demos/demo-identity-a2a.mdx, which resolves to packages/docs/... and 404s from the package README. The file lives at docs/demos/demo-identity-a2a.mdx.
• The README documented isControllerClaim, which is not exported from the package. The public type guard is isControllerCredential.

Fix

Correct the typo, fix the relative link to ../../docs/demos/demo-identity-a2a.mdx, and document only the exported isControllerCredential API.

No changeset: documentation-only README fix with no runtime or API change.

AI usage

Per AI_POLICY.md, Cursor found these during a docs scan of main. I read the diff before opening this.

Summary by CodeRabbit

• Documentation
  • Updated usage examples and API documentation to remove the deprecated isControllerClaim reference.
  • Corrected the A2A demo link.
  • Reformatted handshake examples for improved readability and accuracy.

[venables]

Thank you @crazywriter1 !

[venables]

@crazywriter1 mind running the formatter on this again?

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Team

Run ID: 3661e32f-91ea-4697-b11f-36217e25d64d

📥 Commits

Reviewing files that changed from the base of the PR and between 7e4a25f and b1db411.

📒 Files selected for processing (1)

• packages/ack-id/README.md

Included review availability: Your plan provides up to 2 included reviews per hour; 1 remains after this review.

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Walkthrough

The ack-id README removes isControllerClaim documentation, corrects the A2A demo link, and reformats the A2A handshake example.

Changes

ack-id README updates

Layer / File(s)	Summary
Update API and A2A documentation packages/ack-id/README.md	The README removes the isControllerClaim example and API entry. It corrects the A2A demo link and handshake example formatting.

Estimated code review effort: 1 (Trivial) | ~3 minutes

Merge Risk: ⚪ Minimal · up to b1db4

This documentation-only change corrects the handshake example, demo link, and exported type-guard documentation without changing runtime behavior or the public implementation; no actionable merge-blocking risk remains after normal checks and review.

Suggested reviewers: venables

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly identifies the documentation fixes in the ack-id README, including the typo, demo link, and type guard export reference.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files. (1 skipped: 1 unsupported.)

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[crazywriter1]

Thanks for the review sir.. Done. Ran the formatter on the README. CI should pass now. @venables