chore(dev): Add AGENTS.md and update PR template

Author: kristijanhusak

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -17,6 +17,14 @@ body:
         - 'Yes'
         - 'No'
         - 'N/A'
+  - type: dropdown
+    validations:
+      required: true
+    attributes:
+      label: Is code AI assisted/generated?
+      options:
+        - 'No'
+        - 'Yes'
   - type: textarea
     attributes:
       label: Orgmode link

AGENTS.md

@@ -0,0 +1,6 @@
+# AGENTS.md
+
+## AI Disclosure
+
+If AI was used in any way for a commit, add an `AI-assisted: <tool name>` trailer to the commit message.
+If the user commits manually, remind them to add it.