Simplify enemy event grounding ownership

internal/modules/dnd/extract/enemyevents/grounding.go

@@ -16,6 +16,8 @@ import (
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
 	combatturncodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/combatturns"
 	interactioncodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/npcinteractions"
+	npccodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/npcs"
+	scenecodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/scenedescriptions"
 	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"
@@ -27,6 +29,7 @@ const (
 	CombatTurnReferenceSlot       = "combat_turns"
 	NPCInteractionReferenceSlot   = "npc_interactions"
 	ReferenceMaxBytes             = 1048576
+	promptProjectionMediaType     = "application/json"
 )
 
 var referenceSlotDescriptions = shared.ReferenceSlotDescriptions{
@@ -43,7 +46,7 @@ func referenceSlots() []contracts.ReferenceSlot {
 			Name:                  NPCRegistryReferenceSlot,
 			Description:           "Required normalized NPC registry used only for enemy-subject grounding, never as event evidence.",
 			Required:              true,
-			AcceptedMediaTypes:    []string{combatturncodec.MediaType},
+			AcceptedMediaTypes:    []string{npccodec.MediaType},
 			AcceptedArtifactKinds: []contracts.ArtifactKind{dnd.NPCListKind},
 			MaxBytes:              ReferenceMaxBytes,
 		},
@@ -51,7 +54,7 @@ func referenceSlots() []contracts.ReferenceSlot {
 			Name:                  SceneDescriptionReferenceSlot,
 			Description:           "Required scene descriptions used only to determine exact combat eligibility, never as event evidence.",
 			Required:              true,
-			AcceptedMediaTypes:    []string{combatturncodec.MediaType},
+			AcceptedMediaTypes:    []string{scenecodec.MediaType},
 			AcceptedArtifactKinds: []contracts.ArtifactKind{dnd.SceneDescriptionListKind},
 			MaxBytes:              ReferenceMaxBytes,
 		},
@@ -88,10 +91,9 @@ type groundingResolver struct {
 }
 
 type grounding struct {
-	npcInput             contracts.LLMInputMaterial
-	combatTurnInput      contracts.LLMInputMaterial
-	npcInteractionInput  contracts.LLMInputMaterial
-	sceneEligibilityView *sceneregistry.Registry
+	npcInput            contracts.LLMInputMaterial
+	combatTurnInput     contracts.LLMInputMaterial
+	npcInteractionInput contracts.LLMInputMaterial
 }
 
 func newGroundingResolver(references contracts.ReferenceSet) (*groundingResolver, error) {
@@ -130,10 +132,6 @@ func (r *groundingResolver) Resolve(references contracts.ReferenceSet) (groundin
 	if !npcs.Bound() {
 		return grounding{}, fmt.Errorf("NPC registry reference is required")
 	}
-	scenes, err := r.resolveScenes(references)
-	if err != nil {
-		return grounding{}, err
-	}
 	combatTurns, err := resolveInput(references, CombatTurnReferenceSlot, r.combatTurns, prepareCombatTurnInput)
 	if err != nil {
 		return grounding{}, err
@@ -143,10 +141,9 @@ func (r *groundingResolver) Resolve(references contracts.ReferenceSet) (groundin
 		return grounding{}, err
 	}
 	return grounding{
-		npcInput:             npcs.PromptInput(),
-		combatTurnInput:      combatTurns,
-		npcInteractionInput:  npcInteractions,
-		sceneEligibilityView: scenes,
+		npcInput:            npcs.PromptInput(),
+		combatTurnInput:     combatTurns,
+		npcInteractionInput: npcInteractions,
 	}, nil
 }
 
@@ -197,10 +194,6 @@ func (g grounding) PromptInputs() contracts.LLMInputSet {
 	}
 }
 
-func (g grounding) SceneMatch(chunk *source.Chunk) sceneregistry.ChunkMatch {
-	return g.sceneEligibilityView.Match(chunk)
-}
-
 func prepareCombatTurnInput(references contracts.ReferenceSet) (*contracts.LLMInputMaterial, error) {
 	item, ok, err := referenceItem(references, CombatTurnReferenceSlot, combatturncodec.MediaType)
 	if err != nil || !ok {
@@ -295,6 +288,6 @@ func projectNPCInteractions(interactions []dnd.NPCInteraction) []npcInteractionP
 
 func newPromptInput(name string, content []byte) *contracts.LLMInputMaterial {
 	sum := sha256.Sum256(content)
-	material := contracts.NewLLMInputMaterial(name, combatturncodec.MediaType, content, "sha256:"+hex.EncodeToString(sum[:]), "")
+	material := contracts.NewLLMInputMaterial(name, promptProjectionMediaType, content, "sha256:"+hex.EncodeToString(sum[:]), "")
 	return &material
 }

internal/modules/dnd/extract/enemyevents/grounding_test.go

@@ -104,15 +104,27 @@ func TestGroundingResolvesGeneratedReferencesAndSceneEligibility(t *testing.T) {
 	if got := string(resolved.PromptInputs()[NPCRegistryReferenceSlot].Content); got != `{"npcs":[{"name":"Grimjaw"}]}` {
 		t.Fatalf("generated NPC projection = %s", got)
 	}
-	if resolved.SceneMatch(combatChunk()) != (sceneregistry.ChunkMatch{State: sceneregistry.MatchExact, Kind: dnd.SceneKindNarrative}) {
-		t.Fatalf("generated scene match = %#v", resolved.SceneMatch(combatChunk()))
+	match, err := resolver.SceneMatch(generated, combatChunk())
+	if err != nil {
+		t.Fatal(err)
 	}
-	if resolved.SceneMatch(&source.Chunk{ID: "other", Ref: combatChunk().Ref}).State != sceneregistry.MatchMissing {
+	if match != (sceneregistry.ChunkMatch{State: sceneregistry.MatchExact, Kind: dnd.SceneKindNarrative}) {
+		t.Fatalf("generated scene match = %#v", match)
+	}
+	match, err = resolver.SceneMatch(generated, &source.Chunk{ID: "other", Ref: combatChunk().Ref})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if match.State != sceneregistry.MatchMissing {
 		t.Fatal("missing scene was not reported")
 	}
 	mismatched := combatChunk()
 	mismatched.Ref.EndUnitID++
-	if resolved.SceneMatch(mismatched).State != sceneregistry.MatchMismatched {
+	match, err = resolver.SceneMatch(generated, mismatched)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if match.State != sceneregistry.MatchMismatched {
 		t.Fatal("mismatched scene was not reported")
 	}
 
@@ -123,8 +135,12 @@ func TestGroundingResolvesGeneratedReferencesAndSceneEligibility(t *testing.T) {
 	if got := string(static.PromptInputs()[NPCRegistryReferenceSlot].Content); got != `{"npcs":[{"name":"Ashfang"}]}` {
 		t.Fatalf("static NPC projection changed after generated resolution: %s", got)
 	}
-	if static.SceneMatch(combatChunk()) != (sceneregistry.ChunkMatch{State: sceneregistry.MatchExact, Kind: dnd.SceneKindCombat}) {
-		t.Fatalf("static scene match = %#v", static.SceneMatch(combatChunk()))
+	match, err = resolver.SceneMatch(contracts.ReferenceSet{}, combatChunk())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if match != (sceneregistry.ChunkMatch{State: sceneregistry.MatchExact, Kind: dnd.SceneKindCombat}) {
+		t.Fatalf("static scene match = %#v", match)
 	}
 }
 
@@ -144,8 +160,13 @@ func TestGroundingRejectsMissingAndInvalidReferences(t *testing.T) {
 			if err != nil {
 				t.Fatal(err)
 			}
-			if _, err := resolver.Resolve(contracts.ReferenceSet{}); err == nil || !strings.Contains(err.Error(), test.want) {
-				t.Fatalf("Resolve() error = %v, want missing %q reference", err, test.slot)
+			if test.slot == SceneDescriptionReferenceSlot {
+				_, err = resolver.SceneMatch(contracts.ReferenceSet{}, combatChunk())
+			} else {
+				_, err = resolver.Resolve(contracts.ReferenceSet{})
+			}
+			if err == nil || !strings.Contains(err.Error(), test.want) {
+				t.Fatalf("grounding error = %v, want missing %q reference", err, test.slot)
 			}
 		})
 	}