style: apply golangci-lint --fix for all remaining issues

Applied automatic fixes using golangci-lint --fix which resolved:
- All remaining wsl_v5 whitespace issues (28 issues)
- All whitespace formatting issues (1 issue)
- Improved code formatting consistency across the entire codebase

All tests passing and functionality preserved.

examples/service-availability/main.go

@@ -113,8 +113,10 @@ func displayServiceCategories(sa *models.ServiceAvailability) {
 			status = "✅"
 			availableCount++
 		}
+
 		fmt.Printf("  %s %s\n", status, formatServiceName(service.Type))
 	}
+
 	fmt.Printf("  Summary: %d/%d streaming services available\n", availableCount, len(streamingServices))
 
 	fmt.Println("\n🔗 LOCAL INPUT SERVICES:")