refactor: change singleton registrations to lazy singleton for improved performance

.github/PULL_REQUEST_TEMPLATE.md

@@ -2,6 +2,14 @@
 
 <!-- Provide a clear and concise description of your changes -->
 
+---
+
+## 🔗 Related Issues
+
+<!-- Link any related issues using #issue_number -->
+
+Closes #
+Related to #
 
 ---
 
@@ -33,15 +41,6 @@
 
 ---
 
-## 🔗 Related Issues
-
-<!-- Link any related issues using #issue_number -->
-
-Closes #
-Related to #
-
----
-
 ## ✅ Testing
 
 <!-- Describe how you tested these changes -->
@@ -93,7 +92,6 @@ Related to #
 
 - [ ] Code quality and readability
 - [ ] Design patterns follow project conventions
-- [ ] Test coverage is adequate
 - [ ] Performance implications reviewed
 - [ ] Security concerns addressed
 - [ ] Documentation is complete