The first 2 weeks is ended.

packages/shared/src/moderation.ts

@@ -0,0 +1,21 @@
+export interface ModerationResult {
+  allowed: boolean
+  categories: string[]
+}
+
+const explicitPatterns = [
+  /\b(?:explicit sex|porn(?:ography)?|rape|sexual assault)\b/i,
+  /\b(?:nude|naked)\s+(?:child|minor|teen)\b/i,
+  /\b(?:child|minor|underage)\s+(?:sex|sexual|erotic)\b/i,
+]
+
+const extremeGorePatterns = [
+  /\b(?:graphic dismemberment|torture porn|extreme gore)\b/i,
+]
+
+export function moderate13Plus(text: string): ModerationResult {
+  const categories: string[] = []
+  if (explicitPatterns.some(pattern => pattern.test(text))) categories.push('sexual_explicit')
+  if (extremeGorePatterns.some(pattern => pattern.test(text))) categories.push('extreme_graphic_violence')
+  return { allowed: categories.length === 0, categories }
+}