diff --git a/src/database/schemas/management/documenttemplate.schema.js b/src/database/schemas/management/documenttemplate.schema.js
index 28e4d5a..1149c66 100644
--- a/src/database/schemas/management/documenttemplate.schema.js
+++ b/src/database/schemas/management/documenttemplate.schema.js
@@ -1,12 +1,33 @@
 import mongoose from 'mongoose';
 import { generateId } from '../../utils.js';
-import {
-  normalizeTemplateResourceName,
-  RESOURCE_NAME_PATTERN,
-  validateTemplateResources,
-} from '../../../templates/templateresources.js';
 const { Schema } = mongoose;
 
+const RESOURCE_NAME_PATTERN = /^[a-z0-9]+(?:-[a-z0-9]+)*$/;
+
+function normalizeTemplateResourceName(value) {
+  return String(value ?? '')
+    .trim()
+    .toLowerCase()
+    .replace(/[^a-z0-9]+/g, '-')
+    .replace(/^-+|-+$/g, '');
+}
+
+function validateTemplateResources(resources) {
+  const names = new Set();
+  for (const resource of resources || []) {
+    if (
+      !RESOURCE_NAME_PATTERN.test(resource?.name || '') ||
+      resource?.file == null ||
+      resource.file === '' ||
+      names.has(resource.name)
+    ) {
+      return false;
+    }
+    names.add(resource.name);
+  }
+  return true;
+}
+
 const RENDER_DOCUMENT_TEMPLATE_CALL = /fc\.renderDocumentTemplate\s*\(\s*(['"])([^'"]+)\1/g;
 
 function extractRenderDocumentTemplateReferences(content) {
diff --git a/src/database/schemas/management/emailtemplate.schema.js b/src/database/schemas/management/emailtemplate.schema.js
index ce50b99..844ec1f 100644
--- a/src/database/schemas/management/emailtemplate.schema.js
+++ b/src/database/schemas/management/emailtemplate.schema.js
@@ -1,12 +1,33 @@
 import mongoose from 'mongoose';
 import { generateId } from '../../utils.js';
-import {
-  normalizeTemplateResourceName,
-  RESOURCE_NAME_PATTERN,
-  validateTemplateResources,
-} from '../../../templates/templateresources.js';
 
 const { Schema } = mongoose;
+const RESOURCE_NAME_PATTERN = /^[a-z0-9]+(?:-[a-z0-9]+)*$/;
+
+function normalizeTemplateResourceName(value) {
+  return String(value ?? '')
+    .trim()
+    .toLowerCase()
+    .replace(/[^a-z0-9]+/g, '-')
+    .replace(/^-+|-+$/g, '');
+}
+
+function validateTemplateResources(resources) {
+  const names = new Set();
+  for (const resource of resources || []) {
+    if (
+      !RESOURCE_NAME_PATTERN.test(resource?.name || '') ||
+      resource?.file == null ||
+      resource.file === '' ||
+      names.has(resource.name)
+    ) {
+      return false;
+    }
+    names.add(resource.name);
+  }
+  return true;
+}
+
 const RENDER_EMAIL_TEMPLATE_CALL = /fc\.renderEmailTemplate\s*\(\s*(['"])([^'"]+)\1/g;
 
 function extractReferences(content) {