fix(archie): use 4-backtick fence in comment template to avoid literal backslashes in Mermaid blocks

workflows/archie.md

@@ -136,7 +136,7 @@ Create a well-formatted comment containing your diagrams:
 
 ### Comment Structure
 
-```markdown
+````markdown
 ## 📊 Mermaid Diagram Analysis
 
 *Generated by Archie for @${{ github.actor }}*
@@ -145,30 +145,30 @@ Create a well-formatted comment containing your diagrams:
 
 [Brief description of what this diagram shows]
 
-\```mermaid
+```mermaid
 [diagram code]
-\```
+```
 
 ### [Diagram 2 Title] (if applicable)
 
 [Brief description]
 
-\```mermaid
+```mermaid
 [diagram code]
-\```
+```
 
 ### [Diagram 3 Title] (if applicable)
 
 [Brief description]
 
-\```mermaid
+```mermaid
 [diagram code]
-\```
+```
 
 ---
 
 💡 **Note**: These diagrams provide a visual summary of the referenced information. Reply with `/archie` to generate new diagrams if the context changes.
-```
+````
 
 ## Important Guidelines