Connect processing to shared PromptKit backend capacity

internal/framework/validators/models.go

@@ -37,7 +37,6 @@ type Request struct {
 	Glossary          *schema.Glossary                       `json:"-"`
 	Config            *config.Config                         `json:"-"`
 	LLMClient         StructuredLLMClient                    `json:"-"`
-	Scheduler         ValidationScheduler                    `json:"-"`
 	DiagnosticsWriter InteractionDiagnosticsWriter           `json:"-"`
 }
 
@@ -57,11 +56,6 @@ type Result struct {
 	Warnings      []stagewarnings.StageWarning `json:"warnings,omitempty"`
 }
 
-// ValidationScheduler provides bounded execution for validator LLM calls.
-type ValidationScheduler interface {
-	Run(ctx context.Context, fn func(context.Context) error) error
-}
-
 type InteractionDiagnosticsWriter interface {
 	WriteInteraction(stage string, requestMetadata any, requestPayload any, responsePayload any, errorPayload any) (InteractionArtifacts, error)
 }