chore: update PR template

Author: kgryte

.github/PULL_REQUEST_TEMPLATE.md

@@ -12,9 +12,9 @@ This pull request:
 
 > Does this pull request have any related issues?
 
-This pull request:
+This pull request has the following related issues:
 
--   resolves #{{TODO: add issue number}} 
+-   #{{TODO: add related issue number}}
 
 ## Questions
 
@@ -34,6 +34,26 @@ No.
 
 -   [ ] Read, understood, and followed the [contributing guidelines][contributing].
 
+### AI Assistance
+
+> When authoring the changes proposed in this PR, did you use any kind of AI assistance?
+
+-   [ ] Yes
+-   [ ] No
+
+If you answered "yes" above, how did you use AI assistance?
+
+-   [ ] Code generation (e.g., when writing an implementation or fixing a bug)
+-   [ ] Test/benchmark generation
+-   [ ] Documentation (including examples)
+-   [ ] Research and understanding
+
+#### Disclosure
+
+> If you answered "yes" to using AI assistance, please provide a short disclosure indicating how you used AI assistance. This helps reviewers determine how much scrutiny to apply when reviewing your contribution. Example disclosures: "This PR was written primarily by Claude Code." or "I consulted ChatGPT to understand the codebase, but the proposed changes were fully authored manually by myself.".
+
+{{TODO: add disclosure if applicable}}
+
 * * *
 
 @stdlib-js/reviewers