Add descriptor file to workflow with requirements:
1. Required fields (state or subsystem, for example)
2. Required field values (subsystem.support, for example)

On attach workflow to project, check whenever all requirements are met.
If not met, suggest user to resolve them:

1. add required fields to projects
   
2. add required values to field bundles

(zeckson note: I think fields should be matched by types not by names, it can lead to changes in language)

HTD:

• Create workflow w1

when {
  issue.severity = {Low}
}

Where issue.severity is field of type enum[1]

• Create project p1 without severity field
  
• Try to attach w1 to project p1 - dialog with the folloing text appears:

Workflow w1 requires:

• field severity with type enum[1]
  
• value Low for field severity

Add required values to project

Cancel

• If press Add... - project is modified and workflow is attached
  
• Open p1 fields and try to detach field severity - get dialog:

Field severity is required by workflow w1

Remove field and detach workflow w1

Cancel

• Open bundle for field severity and try to rename or remove value Low - get dialog

Value Low of field severity is required by workflow w1

Continue and detach workflow w1

Cancel