fix: correct YAML syntax for multi-line expressions in GitHub Actions

- Fix DOCS_ENV multi-line expressions in nx-optimized-ci.yml and nx-smart-deploy.yml
- GitHub Actions requires multi-line expressions to be on a single line
- This resolves the 'Invalid workflow file' error on line 11

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

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

Author: jonphipps

.github/workflows/nx-optimized-ci.yml

@@ -13,12 +13,7 @@ env:
   NX_RUN_GROUP: ${{ github.run_id }}
   HUSKY: 0
   # Set DOCS_ENV based on branch/event type for proper environment detection
-  DOCS_ENV: ${{ 
-    github.event_name == 'pull_request' && 'preview' || 
-    github.ref_name == 'main' && 'production' || 
-    github.ref_name == 'dev' && 'dev' || 
-    'dev' 
-  }}
+  DOCS_ENV: ${{ github.event_name == 'pull_request' && 'preview' || github.ref_name == 'main' && 'production' || github.ref_name == 'dev' && 'dev' || 'dev' }}
   # Fallback environment variables for sites that need them
   SITE_TITLE: IFLA Standards Portal
   SITE_TAGLINE: International Federation of Library Associations and Institutions

.github/workflows/nx-smart-deploy.yml

@@ -26,10 +26,7 @@ env:
   HUSKY: 0
   NODE_OPTIONS: --max-old-space-size=4096
   # Set DOCS_ENV for proper environment detection (main branch = production)
-  DOCS_ENV: ${{ 
-    github.event_name == 'pull_request' && 'preview' || 
-    'production' 
-  }}
+  DOCS_ENV: ${{ github.event_name == 'pull_request' && 'preview' || 'production' }}
   # Fallback environment variables for sites that need them
   SITE_TITLE: IFLA Standards Portal
   SITE_TAGLINE: International Federation of Library Associations and Institutions