fix deploy script to install dev dependencies for build

The npm ci --only=production flag was skipping dev dependencies,
but TypeScript is needed to compile the frontend build.

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

scripts/deploy.sh

@@ -179,9 +179,9 @@ deploy_frontend() {
 
   cd frontend
 
-  # Install dependencies
+  # Install dependencies (including dev deps needed for build)
   print_info "Installing frontend dependencies..."
-  npm ci --only=production
+  npm ci
   print_success "Dependencies installed"
 
   # Build frontend