Cleanup and complete the pipeline refactor

internal/framework/pipeline/runner.go

@@ -211,7 +211,7 @@ func (r *Runner) runLane(ctx context.Context, input RunInput, doc *source.Source
 			result, err := extractor.Extract(ctx, contracts.ExtractionRequest{
 				Source:      doc,
 				Chunk:       &chunk,
-				SourceInput: sourceInput.Clone(),
+				SourceInput: chunkInputMaterial(sourceInput, chunk),
 				SessionID:   sessionID,
 				References:  CloneReferenceSet(lane.ExtractReferences.ReferenceSet),
 				LLMClient:   input.LLMClient,
@@ -367,11 +367,6 @@ func (r *Runner) runLane(ctx context.Context, input RunInput, doc *source.Source
 	return nil
 }
 
-type validatorExecution struct {
-	validator contracts.Validator
-	binding   ModuleBinding
-}
-
 type rawValidationTarget struct {
 	stage      ModuleStage
 	laneID     string
@@ -512,21 +507,6 @@ func (r *Runner) validateRaw(ctx context.Context, target rawValidationTarget) ([
 	return warnings, nil, nil
 }
 
-func (r *Runner) buildConfiguredValidators(lane ResolvedArtifactLane) ([]validatorExecution, error) {
-	validators := make([]validatorExecution, 0, len(lane.Validators))
-	for _, binding := range lane.Validators {
-		validator, err := r.registries.Validators.Build(binding.Module)
-		if err != nil {
-			return nil, fmt.Errorf("build validator %q for lane %q: %w", binding.Module, lane.ID, err)
-		}
-		validators = append(validators, validatorExecution{
-			validator: validator,
-			binding:   binding,
-		})
-	}
-	return validators, nil
-}
-
 func (r *Runner) validateRegistries(pipeline ResolvedPipeline) error {
 	if r.registries.Inputs == nil {
 		return fmt.Errorf("input registry must not be nil")
@@ -546,9 +526,6 @@ func (r *Runner) validateRegistries(pipeline ResolvedPipeline) error {
 	if r.registries.Outputs == nil {
 		return fmt.Errorf("output encoder registry must not be nil")
 	}
-	if pipelineUsesConfiguredValidators(pipeline) && r.registries.Validators == nil {
-		return fmt.Errorf("validator registry must not be nil")
-	}
 	return nil
 }
 
@@ -584,10 +561,8 @@ func validateRunInput(input RunInput) error {
 		if lane.Normalize.Module == "" {
 			return fmt.Errorf("resolved pipeline lane %q normalize module must not be empty", lane.ID)
 		}
-		for _, validator := range lane.Validators {
-			if validator.Module == "" {
-				return fmt.Errorf("resolved pipeline lane %q validator module must not be empty", lane.ID)
-			}
+		if len(lane.Validators) > 0 {
+			return fmt.Errorf("resolved pipeline lane %q configured validators are not supported by the current raw validation runner", lane.ID)
 		}
 	}
 	return nil
@@ -627,9 +602,6 @@ func manifestFromPipeline(input RunInput) artifacts.RunManifest {
 			Merger:     lane.Merge.Module,
 			Normalizer: lane.Normalize.Module,
 		}
-		for _, validator := range lane.Validators {
-			laneManifest.Validators = append(laneManifest.Validators, validator.Module)
-		}
 		manifest.ArtifactLanes = append(manifest.ArtifactLanes, laneManifest)
 	}
 	return manifest
@@ -867,6 +839,16 @@ func sourceInputMaterial(inputPath string, content []byte) contracts.LLMInputMat
 	)
 }
 
+func chunkInputMaterial(sourceInput contracts.LLMInputMaterial, chunk contracts.SourceChunk) contracts.LLMInputMaterial {
+	return contracts.NewLLMInputMaterial(
+		"source",
+		chunk.MediaType,
+		chunk.Content,
+		sourceInputDigest(chunk.Content),
+		sourceInput.OriginURI,
+	)
+}
+
 func sourceInputMediaType(inputPath string) string {
 	extension := strings.ToLower(filepath.Ext(strings.TrimSpace(inputPath)))
 	if extension == ".json" {
@@ -973,12 +955,3 @@ func cloneRejectedOutputs(rejected []contracts.RejectedOutput) []contracts.Rejec
 func timePtr(t time.Time) *time.Time {
 	return &t
 }
-
-func pipelineUsesConfiguredValidators(pipeline ResolvedPipeline) bool {
-	for _, lane := range pipeline.ArtifactLanes {
-		if len(lane.Validators) > 0 {
-			return true
-		}
-	}
-	return false
-}