Explain hidden provenance recovery

Authored-By: Codex (GPT-5) <noreply@openai.com>

check.sh

@@ -86,6 +86,8 @@ VISIBLE_BODY=$(printf '%s\n' "${RENDERED_BODY}" |
     }
   ')
 
+hidden_content_guidance='move ## Tracking and ## Attribution outside collapsed <details> or <video>/<audio> fallback content'
+
 # ---- branch form ----
 # <role>/bug-<id>/<kebab>
 if echo "${BRANCH}" | grep -qE "^(dev|ux|ops|security|perf|architect|support)/bug-[a-z0-9]+/[a-z0-9][a-z0-9-]*$"; then
@@ -124,7 +126,7 @@ if [ "${BRANCH_KIND}" = "role-bug" ]; then
     in_section { print }
   ')
   if [ -z "${tracking}" ]; then
-    echo "FAIL[check-naming]: PR body must contain a non-empty ## Tracking section"
+    echo "FAIL[check-naming]: PR body must contain a non-empty ## Tracking section visible by default; ${hidden_content_guidance}"
     FAILED=1
   else
     if ! printf '%s\n' "${tracking}" | grep -qE "(^|[[:space:]>])Fixes[[:space:]]+${BRANCH_BUG}([^a-z0-9]|$)"; then
@@ -150,7 +152,7 @@ if [ "${BRANCH_KIND}" != "invalid" ]; then
   ')
   watermark_re='Authored-By: .+ \(.+\) <a href="mailto:noreply@[[:alnum:].-]+"[^>]*>noreply@[[:alnum:].-]+</a>'
   if ! printf '%s\n' "${attribution}" | grep -qE "${watermark_re}"; then
-    echo "FAIL[check-naming]: ## Attribution must contain an Authored-By product/model watermark"
+    echo "FAIL[check-naming]: visible ## Attribution must contain an Authored-By product/model watermark; ${hidden_content_guidance}"
     FAILED=1
   fi