FIX: Correct ERD Navigator source path in deployment workflow

- Copy ERD Navigator from root erd-navigator/ directory instead of build-output/specifications/
- Ensures ERD Navigator updates are properly deployed to GitHub Pages
- Resolves issue where ERD Navigator JavaScript fixes weren't being deployed

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: pwt-cd

.github/workflows/build-deploy.yml

@@ -426,10 +426,12 @@ jobs:
             exit 1
           fi
           
-          # Copy ERD navigator if it exists
-          if [ -d "build-output/specifications/erd-navigator" ]; then
-            cp -r build-output/specifications/erd-navigator ./pages-content/
-            echo "✅ Copied ERD navigator"
+          # Copy ERD navigator from root directory
+          if [ -d "erd-navigator" ]; then
+            cp -r erd-navigator ./pages-content/
+            echo "✅ Copied ERD navigator from root directory"
+          else
+            echo "❌ ERD navigator not found at erd-navigator/"
           fi
           
           # Copy build report if it exists