diff --git a/examples/dnd-complete.config.yml b/examples/dnd-complete.config.yml
index 02c3372..9786506 100644
--- a/examples/dnd-complete.config.yml
+++ b/examples/dnd-complete.config.yml
@@ -52,6 +52,10 @@ pipelines:
             artifact:
               step: describe-session
               lane: npcs
+          scene_descriptions:
+            artifact:
+              step: describe-session
+              lane: scene-descriptions
         artifacts:
           spells:
             extract:
diff --git a/internal/cli/dnd_combat_contract_test.go b/internal/cli/dnd_combat_contract_test.go
index 86b71f0..0c900ea 100644
--- a/internal/cli/dnd_combat_contract_test.go
+++ b/internal/cli/dnd_combat_contract_test.go
@@ -48,8 +48,12 @@ func TestProductionCombatConfigurationResolvesTypedLane(t *testing.T) {
 	if !ok || codecSpec.Schema.ID != "notarius.dnd.combat_turns" || codecSpec.Schema.Version != "v1" {
 		t.Fatalf("combat codec spec = %#v, want compatible durable schema", codecSpec)
 	}
-	if !hasReferenceSlot(extractSpec.ReferenceSlots, "npcs") || !hasReferenceSlot(normalizeSpec.ReferenceSlots, "npcs") {
-		t.Fatalf("combat reference slots = %#v / %#v, want stage-local NPC slots", extractSpec.ReferenceSlots, normalizeSpec.ReferenceSlots)
+	if !hasReferenceSlot(extractSpec.ReferenceSlots, "npcs") || !hasReferenceSlot(extractSpec.ReferenceSlots, "scene_descriptions") || !hasReferenceSlot(normalizeSpec.ReferenceSlots, "npcs") {
+		t.Fatalf("combat reference slots = %#v / %#v, want extraction scene and NPC slots plus normalization NPC slot", extractSpec.ReferenceSlots, normalizeSpec.ReferenceSlots)
+	}
+	sceneSlot := referenceSlot(extractSpec.ReferenceSlots, "scene_descriptions")
+	if !sceneSlot.Required || !reflect.DeepEqual(sceneSlot.AcceptedMediaTypes, []string{"application/json"}) || !reflect.DeepEqual(sceneSlot.AcceptedArtifactKinds, []contracts.ArtifactKind{dnd.SceneDescriptionListKind}) || sceneSlot.MaxBytes != 1048576 {
+		t.Fatalf("scene description slot = %#v, want required approved scene artifact", sceneSlot)
 	}
 
 	wantExtractChain := []pipeline.ModuleBinding{
@@ -89,8 +93,19 @@ func TestProductionCombatConfigurationResolvesTypedLane(t *testing.T) {
 		t.Fatalf("Resolve(bound references) error = %v, want nil", err)
 	}
 	boundLane := bound.ResolvedPipeline.Steps[0].ArtifactLanes[0]
-	if len(boundLane.ExtractReferences.Bindings) != 1 || len(boundLane.NormalizeReferences.Bindings) != 1 || boundLane.ExtractReferences.Bindings[0].SlotName != "npcs" || boundLane.NormalizeReferences.Bindings[0].SlotName != "npcs" {
-		t.Fatalf("bound combat references = %#v / %#v, want one independent NPC binding per stage", boundLane.ExtractReferences, boundLane.NormalizeReferences)
+	if len(boundLane.ExtractReferences.Bindings) != 2 || len(boundLane.NormalizeReferences.Bindings) != 1 || !hasReferenceBinding(boundLane.ExtractReferences.Bindings, "npcs") || !hasReferenceBinding(boundLane.ExtractReferences.Bindings, "scene_descriptions") || !hasReferenceBinding(boundLane.NormalizeReferences.Bindings, "npcs") {
+		t.Fatalf("bound combat references = %#v / %#v, want extraction scene and NPC bindings plus normalization NPC binding", boundLane.ExtractReferences, boundLane.NormalizeReferences)
+	}
+}
+
+func TestProductionCombatConfigurationRequiresSceneDescriptions(t *testing.T) {
+	components := productionTestComponents(t)
+	cfg := productionCombatContractConfig()
+	profile := cfg.Pipelines["dnd-combat"]
+	profile.References = nil
+	cfg.Pipelines["dnd-combat"] = profile
+	if _, err := cfg.Resolve(config.ResolveInput{PipelineID: "dnd-combat", Catalog: catalogFromRegistries(components.registries)}); err == nil || !strings.Contains(err.Error(), "scene_descriptions") || !strings.Contains(err.Error(), "required") {
+		t.Fatalf("Resolve() error = %v, want required scene reference failure", err)
 	}
 }
 
@@ -151,9 +166,10 @@ func TestProductionCombatConfigurationResolvesTypedUnconditionalValidators(t *te
 func productionCombatContractConfig() config.Config {
 	cfg := config.Default()
 	cfg.Pipelines["dnd-combat"] = pipeline.PipelineProfile{
-		ID:    "dnd-combat",
-		Input: pipeline.Binding("seriatim"),
-		Chunk: pipeline.Binding(pipeline.DefaultChunkModule),
+		ID:         "dnd-combat",
+		Input:      pipeline.Binding("seriatim"),
+		Chunk:      pipeline.Binding(pipeline.DefaultChunkModule),
+		References: map[string]pipeline.ReferenceSource{"scene_descriptions": pipeline.ExternalReference("scenes.json")},
 		Artifacts: map[string]pipeline.ArtifactLaneProfile{
 			"combat": {
 				Extract:   pipeline.ModuleBinding{Module: combatextract.Key, Retries: 2},
@@ -172,3 +188,21 @@ func hasReferenceSlot(slots []contracts.ReferenceSlot, name string) bool {
 	}
 	return false
 }
+
+func hasReferenceBinding(bindings []pipeline.ReferenceBinding, name string) bool {
+	for _, binding := range bindings {
+		if binding.SlotName == name {
+			return true
+		}
+	}
+	return false
+}
+
+func referenceSlot(slots []contracts.ReferenceSlot, name string) contracts.ReferenceSlot {
+	for _, slot := range slots {
+		if slot.Name == name {
+			return slot
+		}
+	}
+	return contracts.ReferenceSlot{}
+}
diff --git a/internal/modules/dnd/extract/combatturns/extractor.go b/internal/modules/dnd/extract/combatturns/extractor.go
index 4184425..7c907aa 100644
--- a/internal/modules/dnd/extract/combatturns/extractor.go
+++ b/internal/modules/dnd/extract/combatturns/extractor.go
@@ -9,17 +9,21 @@ import (
 	"gitea.maximumdirect.net/eric/notarius/internal/framework/pipeline"
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
 	npcregistry "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/npcs/registry"
+	sceneregistry "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/scenedescriptions/registry"
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/shared"
 )
 
 const (
-	Key           = "dnd/combat-turns"
-	mappingPolicy = "dnd.combat_turns.extract_mapping.v2"
+	Key             = "dnd/combat-turns"
+	mappingPolicy   = "dnd.combat_turns.extract_mapping.v2"
+	sceneGatePolicy = "dnd.combat_turns.scene_gate.v1"
 )
 
 const (
-	NPCRegistryReferenceSlot = npcregistry.ReferenceSlot
-	NPCRegistryMaxBytes      = npcregistry.MaxBytes
+	NPCRegistryReferenceSlot      = npcregistry.ReferenceSlot
+	NPCRegistryMaxBytes           = npcregistry.MaxBytes
+	SceneDescriptionReferenceSlot = sceneregistry.ReferenceSlot
+	SceneDescriptionMaxBytes      = sceneregistry.MaxBytes
 )
 
 var requiredCapabilities = []string{
@@ -47,6 +51,14 @@ func referenceSlots() []contracts.ReferenceSlot {
 		AcceptedArtifactKinds: []contracts.ArtifactKind{dnd.NPCListKind},
 		MaxBytes:              NPCRegistryMaxBytes,
 	})
+	slots = append(slots, contracts.ReferenceSlot{
+		Name:                  SceneDescriptionReferenceSlot,
+		Description:           "Required scene descriptions that gate combat eligibility and are not combat evidence.",
+		Required:              true,
+		AcceptedMediaTypes:    []string{"application/json"},
+		AcceptedArtifactKinds: []contracts.ArtifactKind{dnd.SceneDescriptionListKind},
+		MaxBytes:              SceneDescriptionMaxBytes,
+	})
 	sort.Slice(slots, func(i, j int) bool { return slots[i].Name < slots[j].Name })
 	return slots
 }
@@ -60,6 +72,7 @@ type Options struct{}
 type Extractor struct {
 	llm               contracts.StructuredLLMClient
 	npcResolver       *npcregistry.Resolver
+	sceneResolver     *sceneregistry.Resolver
 	promptSHA         string
 	responseSchemaSHA string
 }
@@ -79,6 +92,10 @@ func New(llmClient contracts.StructuredLLMClient, _ Options, references ...contr
 	if err != nil {
 		return nil, extractorErrorf("prepare NPC registry prompt input: %w", err)
 	}
+	sceneResolver, err := sceneregistry.NewResolver(referenceSet)
+	if err != nil {
+		return nil, extractorErrorf("prepare scene eligibility: %w", err)
+	}
 	promptSHA, err := scriptoriumPromptMetadata()
 	if err != nil {
 		return nil, extractorErrorf("load prompt metadata: %w", err)
@@ -90,6 +107,7 @@ func New(llmClient contracts.StructuredLLMClient, _ Options, references ...contr
 	return &Extractor{
 		llm:               llmClient,
 		npcResolver:       npcResolver,
+		sceneResolver:     sceneResolver,
 		promptSHA:         promptSHA,
 		responseSchemaSHA: responseSchema.SHA256,
 	}, nil
@@ -108,6 +126,7 @@ func (e *Extractor) ManifestMetadata() map[string]any {
 		"prompt_version":          SchemaVersion,
 		"prompt_sha256":           e.promptSHA,
 		"mapping_policy":          mappingPolicy,
+		"scene_gate_policy":       sceneGatePolicy,
 		"response_schema_key":     string(ResponseSchemaKey),
 		"response_schema_id":      ResponseSchemaID,
 		"response_schema_name":    ResponseSchemaName,
@@ -119,6 +138,11 @@ func (e *Extractor) ManifestMetadata() map[string]any {
 		metadata["npc_registry_digest"] = seeded.Digest()
 		metadata["npc_count"] = seeded.Count()
 	}
+	seededScenes := e.sceneResolver.Seeded()
+	if seededScenes.Bound() {
+		metadata["scene_eligibility_digest"] = seededScenes.EligibilityDigest()
+		metadata["scene_description_count"] = seededScenes.Count()
+	}
 	return metadata
 }
 
@@ -130,9 +154,12 @@ func (e *Extractor) CheckpointFingerprints() []pipeline.CheckpointFingerprint {
 		{Name: "prompt", Value: e.promptSHA},
 		{Name: "response_schema", Value: e.responseSchemaSHA},
 		{Name: "mapping_policy", Value: mappingPolicy},
+		{Name: "scene_gate_policy", Value: sceneGatePolicy},
 	}
 	seeded := e.npcResolver.Seeded()
 	fingerprints = append(fingerprints, pipeline.CheckpointFingerprint{Name: "npc_registry", Value: seeded.ProjectionDigest()})
+	seededScenes := e.sceneResolver.Seeded()
+	fingerprints = append(fingerprints, pipeline.CheckpointFingerprint{Name: "scene_eligibility", Value: seededScenes.EligibilityDigest()})
 	return fingerprints
 }
 
@@ -147,6 +174,29 @@ func (e *Extractor) Extract(ctx context.Context, req contracts.TypedExtractionRe
 	if err != nil {
 		return contracts.TypedExtractionResult[dnd.CombatTurnList]{}, extractorErrorf("%w", err)
 	}
+	if _, ok := req.References.Slots[SceneDescriptionReferenceSlot]; !ok {
+		return contracts.TypedExtractionResult[dnd.CombatTurnList]{}, extractorErrorf("required scene descriptions reference is missing")
+	}
+	scenes, err := e.sceneResolver.Resolve(req.References)
+	if err != nil {
+		return contracts.TypedExtractionResult[dnd.CombatTurnList]{}, extractorErrorf("resolve scene eligibility: %w", err)
+	}
+	match := scenes.Match(req.Chunk)
+	switch match.State {
+	case sceneregistry.MatchExact:
+		if match.Kind != dnd.SceneKindCombat {
+			return contracts.TypedExtractionResult[dnd.CombatTurnList]{Value: dnd.CombatTurnList{CombatTurns: []dnd.CombatTurn{}}}, nil
+		}
+	case sceneregistry.MatchMissing, sceneregistry.MatchMismatched:
+		return contracts.TypedExtractionResult[dnd.CombatTurnList]{
+			Value: dnd.CombatTurnList{CombatTurns: []dnd.CombatTurn{}},
+			Warnings: []contracts.Warning{{
+				Scope:      SceneDescriptionReferenceSlot,
+				ReasonCode: "scene_classification_unavailable",
+				Message:    "No exact scene classification was available; combat extraction was skipped.",
+			}},
+		}, nil
+	}
 	order := shared.NewSourceRefOrder(req.Source)
 	npcRegistry, err := e.npcResolver.Resolve(req.References)
 	if err != nil {
diff --git a/internal/modules/dnd/extract/combatturns/extractor_test.go b/internal/modules/dnd/extract/combatturns/extractor_test.go
index e6aab81..fdae5c5 100644
--- a/internal/modules/dnd/extract/combatturns/extractor_test.go
+++ b/internal/modules/dnd/extract/combatturns/extractor_test.go
@@ -13,6 +13,7 @@ import (
 	"gitea.maximumdirect.net/eric/notarius/internal/framework/pipeline"
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
 	npccodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/npcs"
+	scenecodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/scenedescriptions"
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/npcs/identity"
 )
 
@@ -34,7 +35,7 @@ func TestExtractMapsAndOrdersCombatTurnsBySourcePosition(t *testing.T) {
 		},
 	}}}
 
-	result, err := newExtractor(t, client).Extract(context.Background(), extractionRequest())
+	result, err := newExtractor(t, client).Extract(context.Background(), extractionRequest(t))
 	if err != nil {
 		t.Fatalf("Extract() error = %v, want nil", err)
 	}
@@ -57,7 +58,7 @@ func TestExtractMapsAndOrdersCombatTurnsBySourcePosition(t *testing.T) {
 		t.Fatalf("LLM request identity = %#v", request)
 	}
 	transcript := request.Inputs["transcript"]
-	if transcript.Name != "transcript" || transcript.MediaType != "application/json" || transcript.Digest != "sha256:chunk" || transcript.OriginURI != "file:///session-alpha.json" || !reflect.DeepEqual(transcript.Content, extractionRequest().Chunk.Content) {
+	if transcript.Name != "transcript" || transcript.MediaType != "application/json" || transcript.Digest != "sha256:chunk" || transcript.OriginURI != "file:///session-alpha.json" || !reflect.DeepEqual(transcript.Content, extractionRequest(t).Chunk.Content) {
 		t.Fatalf("transcript input = %#v, want chunk-scoped source input", transcript)
 	}
 }
@@ -69,7 +70,7 @@ func TestExtractPreservesInvalidCandidatesForValidators(t *testing.T) {
 			SourceRefs: []combatSourceRefResponse{{StartUnitID: 99, EndUnitID: 0}},
 		},
 	}}}
-	result, err := newExtractor(t, client).Extract(context.Background(), extractionRequest())
+	result, err := newExtractor(t, client).Extract(context.Background(), extractionRequest(t))
 	if err != nil {
 		t.Fatalf("Extract() error = %v, want nil for candidate values", err)
 	}
@@ -93,10 +94,11 @@ func TestExtractUsesDocumentOrderForReferencesAndTurns(t *testing.T) {
 		}},
 		{Actor: "Second", TurnKind: "other", SourceRefs: []combatSourceRefResponse{{StartUnitID: 30, EndUnitID: 30}}},
 	}}}
-	req := extractionRequest()
+	req := extractionRequest(t)
 	req.Source.Units = []source.SourceUnit{{ID: 30}, {ID: 10}}
 	req.Chunk.Units = append([]source.SourceUnit(nil), req.Source.Units...)
 	req.Chunk.Ref = source.SourceRef{SourceID: req.Source.ID, StartUnitID: 30, EndUnitID: 10}
+	req.References = sceneReferences(t, req.Chunk, dnd.SceneKindCombat)
 
 	result, err := newExtractor(t, client).Extract(context.Background(), req)
 	if err != nil {
@@ -127,7 +129,10 @@ func TestExtractPassesReferencesAndNPCGroundingWithoutUsingItAsEvidence(t *testi
 		"glossary":               {Slot: contracts.ReferenceSlot{Name: "glossary"}, Items: []contracts.ReferenceItem{{SlotName: "glossary", Content: []byte("ogre: a large foe")}}},
 		NPCRegistryReferenceSlot: {Slot: contracts.ReferenceSlot{Name: NPCRegistryReferenceSlot}, Items: []contracts.ReferenceItem{{SlotName: NPCRegistryReferenceSlot, MediaType: "application/json", Content: npcRegistryJSON(t)}}},
 	}}
-	req := extractionRequest()
+	req := extractionRequest(t)
+	for name, slot := range req.References.Slots {
+		references.Slots[name] = slot
+	}
 	req.References = references
 	if _, err := newExtractor(t, client, references).Extract(context.Background(), req); err != nil {
 		t.Fatalf("Extract() error = %v, want nil", err)
@@ -143,14 +148,20 @@ func TestExtractPassesReferencesAndNPCGroundingWithoutUsingItAsEvidence(t *testi
 	if strings.Contains(string(inputs["transcript"].Content), "Aria: cleric") {
 		t.Fatal("transcript input contains reference content")
 	}
+	if _, ok := inputs[SceneDescriptionReferenceSlot]; ok {
+		t.Fatalf("prompt inputs include scene descriptions: %#v", inputs)
+	}
 
 	metadata := newExtractor(t, &fakeCombatTurnsLLMClient{}, references).ManifestMetadata()
 	if metadata["npc_count"] != 1 || !strings.HasPrefix(metadata["npc_registry_digest"].(string), "sha256:") {
 		t.Fatalf("bound registry metadata = %#v, want digest and count", metadata)
 	}
+	if metadata["scene_description_count"] != 1 || !strings.HasPrefix(metadata["scene_eligibility_digest"].(string), "sha256:") {
+		t.Fatalf("bound scene metadata = %#v, want digest and count", metadata)
+	}
 	fingerprints := newExtractor(t, &fakeCombatTurnsLLMClient{}, references).CheckpointFingerprints()
-	if len(fingerprints) != 4 || fingerprints[3].Name != "npc_registry" {
-		t.Fatalf("bound fingerprints = %#v, want local identities plus NPC registry", fingerprints)
+	if len(fingerprints) != 6 || fingerprints[3].Name != "scene_gate_policy" || fingerprints[4].Name != "npc_registry" || fingerprints[5].Name != "scene_eligibility" {
+		t.Fatalf("bound fingerprints = %#v, want local identities plus scene gate and NPC registry", fingerprints)
 	}
 	encoded, err := json.Marshal(metadata)
 	if err != nil {
@@ -164,7 +175,7 @@ func TestExtractPassesReferencesAndNPCGroundingWithoutUsingItAsEvidence(t *testi
 func TestExtractUnboundRegistryUsesExactEmptyPromptAndOmitsIdentity(t *testing.T) {
 	client := &fakeCombatTurnsLLMClient{response: extractionResponse{CombatTurns: []combatTurnResponse{}}}
 	extractor := newExtractor(t, client)
-	if _, err := extractor.Extract(context.Background(), extractionRequest()); err != nil {
+	if _, err := extractor.Extract(context.Background(), extractionRequest(t)); err != nil {
 		t.Fatalf("Extract() error = %v, want nil", err)
 	}
 	input := client.requests[0].Inputs[NPCRegistryReferenceSlot]
@@ -175,7 +186,7 @@ func TestExtractUnboundRegistryUsesExactEmptyPromptAndOmitsIdentity(t *testing.T
 	if _, ok := metadata["npc_registry_digest"]; ok {
 		t.Fatalf("unbound metadata has registry digest: %#v", metadata)
 	}
-	if fingerprints := extractor.CheckpointFingerprints(); len(fingerprints) != 4 || fingerprints[3].Name != "npc_registry" || fingerprints[3].Value != input.Digest {
+	if fingerprints := extractor.CheckpointFingerprints(); len(fingerprints) != 6 || fingerprints[4].Name != "npc_registry" || fingerprints[4].Value != input.Digest || fingerprints[5].Name != "scene_eligibility" || fingerprints[5].Value == "" {
 		t.Fatalf("unbound fingerprints = %#v, want empty-projection identity", fingerprints)
 	}
 }
@@ -184,13 +195,11 @@ func TestExtractorResolvesOperationNPCOverrideWithoutSingletonMetadata(t *testin
 	content := npcRegistryJSON(t)
 	client := &fakeCombatTurnsLLMClient{response: extractionResponse{CombatTurns: []combatTurnResponse{}}}
 	extractor := newExtractor(t, client)
-	request := extractionRequest()
-	request.References = contracts.ReferenceSet{Slots: map[string]contracts.ResolvedReferenceSlot{
-		NPCRegistryReferenceSlot: {
-			Slot:  contracts.ReferenceSlot{Name: NPCRegistryReferenceSlot},
-			Items: []contracts.ReferenceItem{{SlotName: NPCRegistryReferenceSlot, MediaType: npccodec.MediaType, Content: append([]byte(nil), content...), Origin: contracts.ReferenceOrigin{Type: "generated"}}},
-		},
-	}}
+	request := extractionRequest(t)
+	request.References.Slots[NPCRegistryReferenceSlot] = contracts.ResolvedReferenceSlot{
+		Slot:  contracts.ReferenceSlot{Name: NPCRegistryReferenceSlot},
+		Items: []contracts.ReferenceItem{{SlotName: NPCRegistryReferenceSlot, MediaType: npccodec.MediaType, Content: append([]byte(nil), content...), Origin: contracts.ReferenceOrigin{Type: "generated"}}},
+	}
 	if _, err := extractor.Extract(context.Background(), request); err != nil {
 		t.Fatalf("Extract() error = %v", err)
 	}
@@ -198,11 +207,151 @@ func TestExtractorResolvesOperationNPCOverrideWithoutSingletonMetadata(t *testin
 	if input.Digest == "" || string(input.Content) != `{"npcs":[{"name":"Mira Thorn"}]}` || input.OriginURI != "" {
 		t.Fatalf("operation NPC input = %#v, want generated canonical grounding without provenance", input)
 	}
-	if metadata := extractor.ManifestMetadata(); metadata["npc_registry_digest"] != nil || metadata["npc_count"] != nil {
+	if metadata := extractor.ManifestMetadata(); metadata["npc_registry_digest"] != nil || metadata["npc_count"] != nil || metadata["scene_eligibility_digest"] != nil || metadata["scene_description_count"] != nil {
 		t.Fatalf("singleton metadata = %#v, want no operation-varying NPC identity", metadata)
 	}
 }
 
+func TestExtractAppliesSceneEligibilityBeforePromptConstruction(t *testing.T) {
+	for _, test := range []struct {
+		name          string
+		scenes        []dnd.SceneDescription
+		wantWarning   string
+		wantError     string
+		wantCalls     int
+		wantEmptyList bool
+	}{
+		{
+			name:      "exact combat",
+			scenes:    []dnd.SceneDescription{sceneDescription(extractionRequest(t).Chunk, dnd.SceneKindCombat)},
+			wantCalls: 1,
+		},
+		{
+			name:          "exact narrative",
+			scenes:        []dnd.SceneDescription{sceneDescription(extractionRequest(t).Chunk, dnd.SceneKindNarrative)},
+			wantEmptyList: true,
+		},
+		{
+			name:          "exact recap",
+			scenes:        []dnd.SceneDescription{sceneDescription(extractionRequest(t).Chunk, dnd.SceneKindRecap)},
+			wantEmptyList: true,
+		},
+		{
+			name:          "exact meta",
+			scenes:        []dnd.SceneDescription{sceneDescription(extractionRequest(t).Chunk, dnd.SceneKindMeta)},
+			wantEmptyList: true,
+		},
+		{
+			name: "missing ID",
+			scenes: []dnd.SceneDescription{func() dnd.SceneDescription {
+				value := sceneDescription(extractionRequest(t).Chunk, dnd.SceneKindCombat)
+				value.ID = "other-chunk"
+				return value
+			}()},
+			wantWarning:   "scene_classification_unavailable",
+			wantEmptyList: true,
+		},
+		{
+			name: "source mismatch",
+			scenes: []dnd.SceneDescription{func() dnd.SceneDescription {
+				value := sceneDescription(extractionRequest(t).Chunk, dnd.SceneKindCombat)
+				value.SourceRef.SourceID = "other-source"
+				return value
+			}()},
+			wantWarning:   "scene_classification_unavailable",
+			wantEmptyList: true,
+		},
+		{
+			name: "start mismatch",
+			scenes: []dnd.SceneDescription{func() dnd.SceneDescription {
+				value := sceneDescription(extractionRequest(t).Chunk, dnd.SceneKindCombat)
+				value.SourceRef.StartUnitID = 2
+				return value
+			}()},
+			wantWarning:   "scene_classification_unavailable",
+			wantEmptyList: true,
+		},
+		{
+			name: "end mismatch",
+			scenes: []dnd.SceneDescription{func() dnd.SceneDescription {
+				value := sceneDescription(extractionRequest(t).Chunk, dnd.SceneKindCombat)
+				value.SourceRef.EndUnitID = 10
+				return value
+			}()},
+			wantWarning:   "scene_classification_unavailable",
+			wantEmptyList: true,
+		},
+		{
+			name:      "missing required reference",
+			wantError: "required scene descriptions reference is missing",
+		},
+	} {
+		t.Run(test.name, func(t *testing.T) {
+			client := &fakeCombatTurnsLLMClient{response: extractionResponse{CombatTurns: []combatTurnResponse{}}}
+			req := extractionRequest(t)
+			if test.wantError != "" {
+				req.References = contracts.ReferenceSet{}
+			} else {
+				req.References = sceneListReferences(t, test.scenes...)
+			}
+
+			result, err := newExtractor(t, client).Extract(context.Background(), req)
+			if test.wantError != "" {
+				if err == nil || !strings.Contains(err.Error(), test.wantError) {
+					t.Fatalf("Extract() error = %v, want %q", err, test.wantError)
+				}
+			} else if err != nil {
+				t.Fatalf("Extract() error = %v", err)
+			}
+			if len(client.requests) != test.wantCalls {
+				t.Fatalf("LLM calls = %d, want %d", len(client.requests), test.wantCalls)
+			}
+			if test.wantEmptyList && result.Value.CombatTurns == nil {
+				t.Fatal("CombatTurns = nil, want accepted non-nil empty list")
+			}
+			if test.wantWarning != "" {
+				if len(result.Warnings) != 1 || result.Warnings[0].Scope != SceneDescriptionReferenceSlot || result.Warnings[0].ReasonCode != test.wantWarning {
+					t.Fatalf("warnings = %#v", result.Warnings)
+				}
+			} else if len(result.Warnings) != 0 {
+				t.Fatalf("warnings = %#v, want none", result.Warnings)
+			}
+		})
+	}
+}
+
+func TestSceneEligibilityMetadataAndFingerprintsTrackGatingValues(t *testing.T) {
+	chunk := extractionRequest(t).Chunk
+	base := sceneDescription(chunk, dnd.SceneKindCombat)
+	baseExtractor := newExtractor(t, &fakeCombatTurnsLLMClient{}, sceneListReferences(t, base))
+	metadata := baseExtractor.ManifestMetadata()
+	if metadata["scene_gate_policy"] != sceneGatePolicy || metadata["scene_description_count"] != 1 {
+		t.Fatalf("metadata = %#v, want scene gate policy and count", metadata)
+	}
+	baseDigest := fingerprintValue(t, baseExtractor.CheckpointFingerprints(), "scene_eligibility")
+	proseChanged := base
+	proseChanged.Title = "Different title"
+	proseChanged.Summary = "Different summary."
+	if got := fingerprintValue(t, newExtractor(t, &fakeCombatTurnsLLMClient{}, sceneListReferences(t, proseChanged)).CheckpointFingerprints(), "scene_eligibility"); got != baseDigest {
+		t.Fatalf("prose-only eligibility digest = %q, want %q", got, baseDigest)
+	}
+	for _, test := range []struct {
+		name   string
+		change func(*dnd.SceneDescription)
+	}{
+		{"kind", func(value *dnd.SceneDescription) { value.Kind = dnd.SceneKindNarrative }},
+		{"range", func(value *dnd.SceneDescription) { value.SourceRef.StartUnitID = 2 }},
+	} {
+		t.Run(test.name, func(t *testing.T) {
+			changed := base
+			test.change(&changed)
+			if got := fingerprintValue(t, newExtractor(t, &fakeCombatTurnsLLMClient{}, sceneListReferences(t, changed)).CheckpointFingerprints(), "scene_eligibility"); got == baseDigest {
+				t.Fatal("eligibility digest did not change")
+			}
+		})
+	}
+}
+
 func TestNewRejectsMalformedNPCRegistryBeforeLLMCallWithoutContent(t *testing.T) {
 	client := &fakeCombatTurnsLLMClient{}
 	references := contracts.ReferenceSet{Slots: map[string]contracts.ResolvedReferenceSlot{
@@ -220,8 +369,25 @@ func TestNewRejectsMalformedNPCRegistryBeforeLLMCallWithoutContent(t *testing.T)
 	}
 }
 
+func TestNewRejectsInvalidSceneReferenceBeforeLLMCallWithoutContent(t *testing.T) {
+	client := &fakeCombatTurnsLLMClient{}
+	references := contracts.ReferenceSet{Slots: map[string]contracts.ResolvedReferenceSlot{
+		SceneDescriptionReferenceSlot: {
+			Slot:  contracts.ReferenceSlot{Name: SceneDescriptionReferenceSlot},
+			Items: []contracts.ReferenceItem{{SlotName: SceneDescriptionReferenceSlot, MediaType: scenecodec.MediaType, Content: []byte(`{"scenes":[]}`)}},
+		},
+	}}
+	_, err := New(client, Options{}, references)
+	if err == nil || !strings.Contains(err.Error(), "prepare scene eligibility") || strings.Contains(err.Error(), `{"scenes":[]}`) {
+		t.Fatalf("New() error = %v, want bounded content-free scene failure", err)
+	}
+	if len(client.requests) != 0 {
+		t.Fatalf("LLM calls = %d, want none during failed construction", len(client.requests))
+	}
+}
+
 func TestExtractRejectsInvalidRequestsAndWrapsProviderFailures(t *testing.T) {
-	validReq := extractionRequest()
+	validReq := extractionRequest(t)
 	validExtractor := newExtractor(t, &fakeCombatTurnsLLMClient{response: extractionResponse{CombatTurns: []combatTurnResponse{}}})
 	var nilExtractor *Extractor
 	tests := []struct {
@@ -243,7 +409,7 @@ func TestExtractRejectsInvalidRequestsAndWrapsProviderFailures(t *testing.T) {
 			}
 		})
 	}
-	_, err := newExtractor(t, &fakeCombatTurnsLLMClient{err: errors.New("provider unavailable")}).Extract(context.Background(), extractionRequest())
+	_, err := newExtractor(t, &fakeCombatTurnsLLMClient{err: errors.New("provider unavailable")}).Extract(context.Background(), extractionRequest(t))
 	if err == nil || !strings.Contains(err.Error(), "dnd combat turns") || !strings.Contains(err.Error(), "provider unavailable") {
 		t.Fatalf("provider error = %v, want contextual wrapped error", err)
 	}
@@ -267,7 +433,7 @@ func TestExtractorManifestMetadataAndFingerprints(t *testing.T) {
 			t.Fatalf("metadata[%q] = %#v, want digest", key, metadata[key])
 		}
 	}
-	wantNames := map[string]struct{}{"prompt": {}, "response_schema": {}, "mapping_policy": {}, "npc_registry": {}}
+	wantNames := map[string]struct{}{"prompt": {}, "response_schema": {}, "mapping_policy": {}, "scene_gate_policy": {}, "npc_registry": {}, "scene_eligibility": {}}
 	for _, fingerprint := range extractor.CheckpointFingerprints() {
 		if _, ok := wantNames[fingerprint.Name]; !ok {
 			t.Fatalf("unexpected fingerprint = %#v", fingerprint)
@@ -304,7 +470,8 @@ func TestModuleSpecAndRegistration(t *testing.T) {
 	}
 }
 
-func extractionRequest() contracts.TypedExtractionRequest {
+func extractionRequest(t *testing.T) contracts.TypedExtractionRequest {
+	t.Helper()
 	doc := combatSourceDocument()
 	chunk := &source.Chunk{
 		ID:        "session-alpha:chunk:0",
@@ -315,13 +482,15 @@ func extractionRequest() contracts.TypedExtractionRequest {
 		MediaType: "application/json",
 		Units:     append([]source.SourceUnit(nil), doc.Units...),
 	}
-	return contracts.TypedExtractionRequest{
+	request := contracts.TypedExtractionRequest{
 		Source:      doc,
 		Chunk:       chunk,
 		SourceInput: contracts.NewLLMInputMaterial("source", chunk.MediaType, chunk.Content, "sha256:chunk", "file:///session-alpha.json"),
 		SessionID:   "session-123",
 		LLMProfile:  "profile-combat",
 	}
+	request.References = sceneReferences(t, chunk, dnd.SceneKindCombat)
+	return request
 }
 
 func combatSourceDocument() *source.SourceDocument {
@@ -358,6 +527,46 @@ func npcRegistryJSON(t *testing.T) []byte {
 	return content
 }
 
+func sceneReferences(t *testing.T, chunk *source.Chunk, kind dnd.SceneKind) contracts.ReferenceSet {
+	t.Helper()
+	return sceneListReferences(t, sceneDescription(chunk, kind))
+}
+
+func sceneListReferences(t *testing.T, scenes ...dnd.SceneDescription) contracts.ReferenceSet {
+	t.Helper()
+	content, err := scenecodec.New().Encode(dnd.SceneDescriptionList{Scenes: scenes})
+	if err != nil {
+		t.Fatalf("encode scene descriptions: %v", err)
+	}
+	return contracts.ReferenceSet{Slots: map[string]contracts.ResolvedReferenceSlot{
+		SceneDescriptionReferenceSlot: {
+			Slot:  contracts.ReferenceSlot{Name: SceneDescriptionReferenceSlot},
+			Items: []contracts.ReferenceItem{{SlotName: SceneDescriptionReferenceSlot, MediaType: scenecodec.MediaType, Content: content}},
+		},
+	}}
+}
+
+func sceneDescription(chunk *source.Chunk, kind dnd.SceneKind) dnd.SceneDescription {
+	return dnd.SceneDescription{
+		ID:        chunk.ID,
+		SourceRef: chunk.Ref,
+		Kind:      kind,
+		Title:     "Combat eligibility",
+		Summary:   "A valid scene description for combat extraction.",
+	}
+}
+
+func fingerprintValue(t *testing.T, fingerprints []pipeline.CheckpointFingerprint, name string) string {
+	t.Helper()
+	for _, fingerprint := range fingerprints {
+		if fingerprint.Name == name {
+			return fingerprint.Value
+		}
+	}
+	t.Fatalf("fingerprints = %#v, missing %q", fingerprints, name)
+	return ""
+}
+
 type fakeCombatTurnsLLMClient struct {
 	response extractionResponse
 	err      error
diff --git a/internal/modules/integration/dnd_combat_runner_test.go b/internal/modules/integration/dnd_combat_runner_test.go
index a128427..75ffb99 100644
--- a/internal/modules/integration/dnd_combat_runner_test.go
+++ b/internal/modules/integration/dnd_combat_runner_test.go
@@ -18,6 +18,7 @@ import (
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
 	combatcodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/combatturns"
 	npccodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/npcs"
+	scenecodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/scenedescriptions"
 	combatextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/combatturns"
 	combatnormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/combatturns"
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/npcs/identity"
@@ -59,6 +60,7 @@ func TestProductionCombatPipelineRetriesMergesNormalizesAndWritesJSON(t *testing
 	}
 	fingerprints := prepared.CheckpointFingerprints()
 	assertCombatFingerprint(t, fingerprints, "extract:combat:"+combatextract.Key+":npc_registry")
+	assertCombatFingerprint(t, fingerprints, "extract:combat:"+combatextract.Key+":scene_eligibility")
 	assertCombatFingerprint(t, fingerprints, "normalize:combat:"+combatnormalize.Key+":npc_registry")
 	if len(fingerprints) == 0 {
 		t.Fatal("checkpoint fingerprints = empty, want production combat identities")
@@ -99,16 +101,16 @@ func TestProductionCombatPipelineRetriesMergesNormalizesAndWritesJSON(t *testing
 	if !hasCombatWarning(output.Warnings, combatnormalize.ReasonCodeActorCanonicalized) {
 		t.Fatalf("warnings = %#v, want registry normalization warning", output.Warnings)
 	}
-	if len(output.Manifest.References) != 2 {
-		t.Fatalf("manifest references = %#v, want separate extract and normalize provenance", output.Manifest.References)
+	if len(output.Manifest.References) != 3 {
+		t.Fatalf("manifest references = %#v, want scene eligibility plus extract and normalize NPC provenance", output.Manifest.References)
 	}
 	lane := output.Manifest.ArtifactLanes[0]
 	if lane.ID != "combat" || lane.Extractor != combatextract.Key || lane.Merger != pipeline.DefaultMergeModule || lane.Normalizer != combatnormalize.Key {
 		t.Fatalf("manifest lane = %#v, want complete combat composition", lane)
 	}
 	extractorMetadata, ok := lane.Metadata["extractor"].(map[string]any)
-	if !ok || extractorMetadata["npc_count"] != 2 || extractorMetadata["npc_registry_digest"] == "" {
-		t.Fatalf("extractor metadata = %#v, want registry digest and count", lane.Metadata)
+	if !ok || extractorMetadata["npc_count"] != 2 || extractorMetadata["npc_registry_digest"] == "" || extractorMetadata["scene_description_count"] != 3 || extractorMetadata["scene_eligibility_digest"] == "" || extractorMetadata["scene_gate_policy"] != "dnd.combat_turns.scene_gate.v1" {
+		t.Fatalf("extractor metadata = %#v, want registry and scene eligibility metadata", lane.Metadata)
 	}
 	normalizerMetadata, ok := lane.Metadata["normalizer"].(map[string]any)
 	if !ok || normalizerMetadata["npc_count"] != 2 || normalizerMetadata["normalization_policy"] != combatnormalize.NormalizationPolicy {
@@ -131,6 +133,13 @@ func TestProductionCombatPipelineAttributesExhaustedInvalidEnumsToShapeValidatio
 	configValue := combatOnlyConfig()
 	profile := configValue.Pipelines["dnd-combat-fixture"]
 	profile.Chunk.Options["max_units"] = 100
+	profile.References["scene_descriptions"] = pipeline.ExternalReference(combatSceneDescriptionPath(t, []dnd.SceneDescription{{
+		ID:        "chunk-000001",
+		SourceRef: source.SourceRef{SourceID: "npc-session", StartUnitID: 1, EndUnitID: 5},
+		Kind:      dnd.SceneKindCombat,
+		Title:     "Complete combat encounter",
+		Summary:   "The accepted chunk contains active combat.",
+	}}))
 	configValue.Pipelines["dnd-combat-fixture"] = profile
 	effective, err := configValue.Resolve(config.ResolveInput{
 		PipelineID: "dnd-combat-fixture",
@@ -144,7 +153,11 @@ func TestProductionCombatPipelineAttributesExhaustedInvalidEnumsToShapeValidatio
 		combatTestInvalidEnumResponse("invalid"),
 		combatTestInvalidEnumResponse("unknown"),
 	}}
-	prepared, err := pipeline.Prepare(effective.ResolvedPipeline, registries, pipeline.ModuleDependencies{LLM: client})
+	materialized, _, err := pipeline.MaterializeReferences(effective.ResolvedPipeline, moduleCatalog(registries), pipeline.ReferenceMaterializationOptions{})
+	if err != nil {
+		t.Fatalf("MaterializeReferences() error = %v", err)
+	}
+	prepared, err := pipeline.Prepare(materialized, registries, pipeline.ModuleDependencies{LLM: client})
 	if err != nil {
 		t.Fatalf("Prepare() error = %v, want nil", err)
 	}
@@ -267,11 +280,25 @@ func combatTestNPCPayload(t *testing.T) combatNPCPayload {
 	return combatNPCPayload{path: path}
 }
 
+func combatSceneDescriptionPath(t *testing.T, scenes []dnd.SceneDescription) string {
+	t.Helper()
+	content, err := scenecodec.New().Encode(dnd.SceneDescriptionList{Scenes: scenes})
+	if err != nil {
+		t.Fatalf("Encode(scene descriptions) error = %v", err)
+	}
+	path := filepath.Join(t.TempDir(), "scene-descriptions.json")
+	if err := os.WriteFile(path, content, 0o600); err != nil {
+		t.Fatal(err)
+	}
+	return path
+}
+
 func combatOnlyConfig() config.Config {
 	cfg := config.Default()
 	cfg.Pipelines["dnd-combat"] = pipeline.PipelineProfile{
-		Input: pipeline.Binding(transcript.Key),
-		Chunk: pipeline.ModuleBinding{Module: pipeline.DefaultChunkModule, Options: map[string]any{"max_units": 2}},
+		Input:      pipeline.Binding(transcript.Key),
+		Chunk:      pipeline.ModuleBinding{Module: pipeline.DefaultChunkModule, Options: map[string]any{"max_units": 2}},
+		References: map[string]pipeline.ReferenceSource{"scene_descriptions": pipeline.ExternalReference(repositoryPathForIntegration("internal", "modules", "integration", "testdata", "combat_scene_descriptions.json"))},
 		Artifacts: map[string]pipeline.ArtifactLaneProfile{
 			"combat": {
 				Extract:   pipeline.ModuleBinding{Module: combatextract.Key, Retries: 2},
diff --git a/internal/modules/integration/dnd_npc_grounded_test.go b/internal/modules/integration/dnd_npc_grounded_test.go
index 77d229a..711828c 100644
--- a/internal/modules/integration/dnd_npc_grounded_test.go
+++ b/internal/modules/integration/dnd_npc_grounded_test.go
@@ -16,9 +16,11 @@ import (
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
 	combatcodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/combatturns"
 	npccodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/npcs"
+	scenecodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/scenedescriptions"
 	spellcodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/spells"
 	combatextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/combatturns"
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/npcs"
+	sceneextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/scenedescriptions"
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/spells"
 )
 
@@ -41,8 +43,9 @@ func TestNPCOutputGroundsSpellAndCombatConsumersThroughOneOperation(t *testing.T
 		t.Fatalf("Prepare() error = %v", err)
 	}
 	for name, value := range map[string]string{
-		"extract:npcs:dnd/npcs:mapping_policy":     "dnd.npcs.extract_mapping.v2",
-		"extract:spells:dnd/spells:mapping_policy": "dnd.spells.extract_mapping.v2",
+		"extract:npcs:dnd/npcs:mapping_policy":              "dnd.npcs.extract_mapping.v2",
+		"extract:spells:dnd/spells:mapping_policy":          "dnd.spells.extract_mapping.v2",
+		"extract:combat:dnd/combat-turns:scene_gate_policy": "dnd.combat_turns.scene_gate.v1",
 	} {
 		assertFingerprintValue(t, prepared.CheckpointFingerprints(), name, value)
 	}
@@ -54,6 +57,7 @@ func TestNPCOutputGroundsSpellAndCombatConsumersThroughOneOperation(t *testing.T
 		"extract:spells:dnd/spells:npc_registry",
 		"extract:combat:dnd/combat-turns:prompt",
 		"extract:combat:dnd/combat-turns:response_schema",
+		"extract:combat:dnd/combat-turns:scene_eligibility",
 		"extract:combat:dnd/combat-turns:npc_registry",
 		"normalize:combat:dnd/combat-turns:npc_registry",
 	} {
@@ -67,19 +71,20 @@ func TestNPCOutputGroundsSpellAndCombatConsumersThroughOneOperation(t *testing.T
 	if err != nil {
 		t.Fatalf("Run() error = %v", err)
 	}
-	if len(output.Rejected) != 0 || len(output.NormalizeOutputs) != 3 {
-		t.Fatalf("run outputs = %#v rejected = %#v, want NPC, spell, and combat outputs", output.NormalizeOutputs, output.Rejected)
+	if len(output.Rejected) != 0 || len(output.NormalizeOutputs) != 4 {
+		t.Fatalf("run outputs = %#v rejected = %#v, want NPC, scene, spell, and combat outputs", output.NormalizeOutputs, output.Rejected)
 	}
-	wantSchemas := map[string]string{"npcs": npccodec.SchemaID, "spells": spellcodec.SchemaID, "combat": combatcodec.SchemaID}
+	wantSchemas := map[string]string{"npcs": npccodec.SchemaID, "scene-descriptions": scenecodec.SchemaID, "spells": spellcodec.SchemaID, "combat": combatcodec.SchemaID}
 	for _, serialized := range output.NormalizeOutputs {
 		if serialized.Artifact.Schema.ID != wantSchemas[serialized.LaneID] || serialized.Artifact.Schema.Version != "v1" {
 			t.Fatalf("%s artifact schema = %#v, want minimal v1 identity", serialized.LaneID, serialized.Artifact.Schema)
 		}
 	}
 	wantExtractorIdentity := map[string]struct{ promptID, schemaID string }{
-		"npcs":   {npcs.PromptID, npcs.ResponseSchemaID},
-		"spells": {spells.PromptID, spells.ResponseSchemaID},
-		"combat": {combatextract.PromptID, combatextract.ResponseSchemaID},
+		"npcs":               {npcs.PromptID, npcs.ResponseSchemaID},
+		"scene-descriptions": {sceneextract.PromptID, sceneextract.ResponseSchemaID},
+		"spells":             {spells.PromptID, spells.ResponseSchemaID},
+		"combat":             {combatextract.PromptID, combatextract.ResponseSchemaID},
 	}
 	for _, lane := range output.Manifest.ArtifactLanes {
 		want, ok := wantExtractorIdentity[lane.ID]
@@ -138,6 +143,15 @@ func TestNPCOutputGroundsSpellAndCombatConsumersThroughOneOperation(t *testing.T
 	if provenanceCount != 3 {
 		t.Fatalf("NPC generated provenance count = %d, want spell extract plus combat extract/normalize", provenanceCount)
 	}
+	sceneProvenanceCount := 0
+	for _, reference := range output.Manifest.References {
+		if reference.SlotName == "scene_descriptions" {
+			sceneProvenanceCount++
+		}
+	}
+	if sceneProvenanceCount != 1 {
+		t.Fatalf("scene generated provenance count = %d, want combat extractor handoff", sceneProvenanceCount)
+	}
 	manifestContent, err := json.Marshal(output.Manifest)
 	if err != nil {
 		t.Fatal(err)
@@ -150,7 +164,7 @@ func TestNPCOutputGroundsSpellAndCombatConsumersThroughOneOperation(t *testing.T
 	for _, lane := range output.Manifest.ArtifactLanes {
 		for _, component := range []string{"extractor", "normalizer"} {
 			metadata, ok := lane.Metadata[component].(map[string]any)
-			if ok && metadata["npc_registry_digest"] != nil {
+			if ok && (metadata["npc_registry_digest"] != nil || metadata["scene_eligibility_digest"] != nil) {
 				t.Fatalf("%s %s metadata = %#v, want generated identity only in framework provenance", lane.ID, component, metadata)
 			}
 		}
@@ -235,6 +249,8 @@ func (client *groundedDNDLLMClient) CompleteStructured(ctx context.Context, requ
 				"name": "Hooded Guard", "source_refs": []any{map[string]int{"start_unit_id": 3, "end_unit_id": 3}},
 			},
 		}}
+	case sceneextract.PromptID:
+		payload = map[string]any{"kind": "combat", "title": "A combat encounter", "summary": "The party faces an active encounter."}
 	case spells.PromptID:
 		payload = map[string]any{"spell_casts": []any{map[string]any{
 			"caster": "Mira Thorn", "spell": "Cure Wounds",
diff --git a/internal/modules/integration/testdata/combat_scene_descriptions.json b/internal/modules/integration/testdata/combat_scene_descriptions.json
new file mode 100644
index 0000000..71e86c3
--- /dev/null
+++ b/internal/modules/integration/testdata/combat_scene_descriptions.json
@@ -0,0 +1,37 @@
+{
+  "scenes": [
+    {
+      "id": "chunk-000001",
+      "source_ref": {
+        "source_id": "npc-session",
+        "start_unit_id": 1,
+        "end_unit_id": 2
+      },
+      "kind": "combat",
+      "title": "First combat exchange",
+      "summary": "The first accepted chunk contains active combat."
+    },
+    {
+      "id": "chunk-000002",
+      "source_ref": {
+        "source_id": "npc-session",
+        "start_unit_id": 3,
+        "end_unit_id": 4
+      },
+      "kind": "combat",
+      "title": "Second combat exchange",
+      "summary": "The second accepted chunk contains active combat."
+    },
+    {
+      "id": "chunk-000003",
+      "source_ref": {
+        "source_id": "npc-session",
+        "start_unit_id": 5,
+        "end_unit_id": 5
+      },
+      "kind": "combat",
+      "title": "Final combat exchange",
+      "summary": "The final accepted chunk contains active combat."
+    }
+  ]
+}
diff --git a/internal/modules/integration/testdata/dnd_npc_grounded_pipeline.yml b/internal/modules/integration/testdata/dnd_npc_grounded_pipeline.yml
index 125fb4a..9dfc0f8 100644
--- a/internal/modules/integration/testdata/dnd_npc_grounded_pipeline.yml
+++ b/internal/modules/integration/testdata/dnd_npc_grounded_pipeline.yml
@@ -16,12 +16,19 @@ pipelines:
           npcs:
             extract: dnd/npcs
             normalize: dnd/npcs
+          scene-descriptions:
+            extract: dnd/scene-descriptions
+            normalize: dnd/scene-descriptions
       - id: grounded-events
         references:
           npcs:
             artifact:
               step: identify-npcs
               lane: npcs
+          scene_descriptions:
+            artifact:
+              step: identify-npcs
+              lane: scene-descriptions
         artifacts:
           spells:
             extract: dnd/spells