docs(aiwg): add public input threat preflight

.aiwg/addons/t3mp3st-maintainer/templates/pr-audit-review.md

@@ -28,6 +28,13 @@ If there are no blocking findings:
 | --- | --- | --- |
 | `<CI check or local command>` | `<pass/fail/not run>` | `<URL/output summary>` |
 
+## Public Input Threat Assessment
+
+- Assessment file/template: `public-input-threat-assessment.md`
+- Risk: `<low/medium/high>`
+- Security-framework routing used: `<none | aiwg discover phrase/result>`
+- Notes: `<summary>`
+
 ## Review Decision
 
 Decision: `<approve | request changes | comment | hold>`