diff --git a/patterns/archetypes/community-digest.json b/patterns/archetypes/community-digest.json
index 9e31762..1135bb2 100644
--- a/patterns/archetypes/community-digest.json
+++ b/patterns/archetypes/community-digest.json
@@ -27,7 +27,8 @@
     "Use create-discussion instead of create-issue when the output is a periodic narrative or audit rather than an actionable task",
     "Set close-older-discussions: true so scheduled digests don't accumulate as duplicate open discussions",
     "Pick a category that matches the content (e.g. announcements, audits, q-a) so digests are easy to find",
-    "Pre-fetch issue, PR, and commit activity in a steps: block before the agent starts writing the narrative"
+    "Pre-fetch issue, PR, and commit activity in a steps: block before the agent starts writing the narrative",
+    "Set mentions: false, allowed-github-references: [], and max-bot-mentions: 0 on safe-outputs so periodic digests don't notify users or create backlinks/bot-trigger side effects every run"
   ],
   "anti_patterns": []
 }
diff --git a/patterns/archetypes/status-report.json b/patterns/archetypes/status-report.json
index b1cf3b7..ce82087 100644
--- a/patterns/archetypes/status-report.json
+++ b/patterns/archetypes/status-report.json
@@ -54,7 +54,8 @@
     "Keep prompts focused on one report \u2014 multi-source reports need pre-steps",
     "Use DO NOT constraints to prevent repository changes while generating reports",
     "Use skip-if-match and expires on create-issue so scheduled reports don't accumulate as duplicate open issues",
-    "For recurring reports, prefer close-older-issues: true on create-issue over skip-if-match so each scheduled run always executes and supersedes the previous report instead of being skipped while an old one is still open"
+    "For recurring reports, prefer close-older-issues: true on create-issue over skip-if-match so each scheduled run always executes and supersedes the previous report instead of being skipped while an old one is still open",
+    "Set mentions: false, allowed-github-references: [], and max-bot-mentions: 0 on safe-outputs so periodic reports don't notify users or create backlinks/bot-trigger side effects every run"
   ],
   "anti_patterns": [
     "daily-repo-status",