Revise PR template for clarity and AI code usage

Updated the pull request template to clarify the checklist items and AI-generated code usage.

Author: gpotter2

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,15 +1,20 @@
-<!-- This is just a checklist to guide you. Please remove it if you check all items. -->
+<!-- This is a checklist of actions required to have a PR reviewed. You should include it and fill it accordingly. (You may only remove it if you check all items and you are a well-known contributor.) -->
 
-**Checklist:**
+**Checklist :**
 
 -   [ ] If you are new to Scapy: I have checked [CONTRIBUTING.md](https://github.com/secdev/scapy/blob/master/CONTRIBUTING.md) (esp. section submitting-pull-requests)
 -   [ ] I squashed commits belonging together
 -   [ ] I added unit tests or explained why they are not relevant
 -   [ ] I executed the regression tests (using `tox`)
 -   [ ] If the PR is still not finished, please create a [Draft Pull Request](https://github.blog/2019-02-14-introducing-draft-pull-requests/)
--   [ ] This PR uses (partially) AI-generated code: Yes/No
+-   [ ] This PR uses (partially) AI-generated code. If so:
+    - [ ] I ensured the generated code follows the internal concepts of scapy
+    - [ ] This PR has a test coverage > 90%
+    - [ ] I reviewed every generated line
+    - [ ] If this PR contains more than 500 lines of code (excluding unit tests) I considered splitting this PR.
+     - [ ] I considered interoperability tests with existing packages or utilities to ensure conformity of a newly generated protocol
 
-**Failing to mention the use of AI may result in a ban. We do not forbid it, but you must play fair. Be warned !**
+**I understand that failing to mention the use of AI may result in a ban. (We do not forbid it, but you must play fair. Be warned !)**
 
 <!-- brief description what this PR will do, e.g. fixes broken dissection of XXX -->