Move item occurrences to canonical namespace

2026-08-05 20:00:20 +00:00
parent 3dfefd0e14
commit a6e176e160
46 changed files with 342 additions and 337 deletions
--- a/assets/dnd/item-occurrences/prompts/instructions.md
+++ b/assets/dnd/item-occurrences/prompts/instructions.md
@@ -1,5 +1,5 @@
 Extract meaningful Dungeons & Dragons item and currency occurrences: discoveries and changes
-in party possession established by the transcript. This is an event history,
+in party possession established by the transcript. This is an occurrence history,
 not an inventory or ledger: do not calculate balances, resolve item identity
 across records, or infer ownership that the transcript does not establish.
@@ -18,13 +18,13 @@ when the transcript explicitly describes it being physically destroyed or
 expended as a non-payment component. Use `transferred` only when possession
 moves between two distinct named party members.
-Return both `from` and `to` for every event, using `null` when a holder does not
+Return both `from` and `to` for every occurrence, using `null` when a holder does not
 apply. For `discovered`, set both holders to `null`. For `acquired`, set `from`
 to `null` and provide `to`; for `lost` and `consumed`, provide `from` and set
 `to` to `null`; and for `transferred`, provide both holders. Use `party` only
 for collective or unresolved party possession, never for either side of a
 transfer. Do not emit a transfer for a gift, sale, or payment outside the party.
-Ordinary non-depleting use is not an event. Do not infer acquisition from a
+Ordinary non-depleting use is not an occurrence. Do not infer acquisition from a
 discovery, or discovery from an acquisition: emit both only when each is
 independently established.
--- a/assets/dnd/item-occurrences/prompts/item-registry.md
+++ b/assets/dnd/item-occurrences/prompts/item-registry.md
--- a/assets/dnd/item-occurrences/prompts/prompt.yaml
+++ b/assets/dnd/item-occurrences/prompts/prompt.yaml
@@ -1,4 +1,4 @@
-id: dnd.item_events
+id: dnd.item_occurrences
 version: "v1"
 default_profile: dnd-extraction
 inputs:
--- a/assets/dnd/item-occurrences/schemas/dnd_item_occurrences_llm.v1.json
+++ b/assets/dnd/item-occurrences/schemas/dnd_item_occurrences_llm.v1.json
--- a/docs/config.md
+++ b/docs/config.md
@@ -404,15 +404,15 @@ generated bindings.
 | --- | --- |
 | Input | **seriatim** |
 | Chunk | **generic**, **dnd/scenes** |
-| Extract | **dnd/spells**, **dnd/npc-registry**, **dnd/combat-turns**, **dnd/item-events**, **dnd/item-registry**, **dnd/npc-occurrences**, **dnd/scene-descriptions**, **dnd/enemy-events**, **dnd/location-registry**, **dnd/location-occurrences** |
+| Extract | **dnd/spells**, **dnd/npc-registry**, **dnd/combat-turns**, **dnd/item-occurrences**, **dnd/item-registry**, **dnd/npc-occurrences**, **dnd/scene-descriptions**, **dnd/enemy-events**, **dnd/location-registry**, **dnd/location-occurrences** |
 | Merge | **appendorder** |
-| Normalize | **noop**, **dnd/spells**, **dnd/npc-registry**, **dnd/combat-turns**, **dnd/item-events**, **dnd/item-registry**, **dnd/npc-occurrences**, **dnd/scene-descriptions**, **dnd/enemy-events**, **dnd/location-registry**, **dnd/location-occurrences** |
+| Normalize | **noop**, **dnd/spells**, **dnd/npc-registry**, **dnd/combat-turns**, **dnd/item-occurrences**, **dnd/item-registry**, **dnd/npc-occurrences**, **dnd/scene-descriptions**, **dnd/enemy-events**, **dnd/location-registry**, **dnd/location-occurrences** |
 | Output | **json** |
 `dnd/location-registry` and `dnd/item-registry` extraction and normalization
 are `llm_backed`; their normalizers may use the pipeline's selected LLM profile
 for bounded duplicate proposals. `dnd/location-occurrences` and
-`dnd/item-events` extraction are `llm_backed`, while their normalizers are
+`dnd/item-occurrences` extraction are `llm_backed`, while their normalizers are
 `deterministic`. The complete example binds each registry in an earlier step
 before its occurrence consumer.
@@ -421,7 +421,7 @@ The D&D artifact contracts define each emitted schema:
 [NPC registry](integrations/dnd-npc-registry-artifacts.md),
 [NPC occurrences](integrations/dnd-npc-occurrence-artifacts.md),
 [combat turns](integrations/dnd-combat-turn-artifacts.md),
-[item events](integrations/dnd-item-event-artifacts.md),
+[item occurrences](integrations/dnd-item-occurrence-artifacts.md),
 [item registry](integrations/dnd-item-registry-artifacts.md),
 [scene descriptions](integrations/dnd-scene-description-artifacts.md), and
 [enemy events](integrations/dnd-enemy-event-artifacts.md),
@@ -438,7 +438,7 @@ Available validator keys are:
 | Spells | **extract/dnd/spells/shape**, **extract/dnd/spells/catalog**, **extract/dnd/spells/source_refs**, **extract/dnd/spells/source_relatedness** |
 | NPC registry | **extract/dnd/npc-registry/shape**, **extract/dnd/npc-registry/source_refs**, **extract/dnd/npc-registry/source_relatedness**, **normalize/dnd/npc-registry/identity** |
 | Combat turns | **extract/dnd/combat-turns/shape**, **extract/dnd/combat-turns/source_refs**, **extract/dnd/combat-turns/source_relatedness**, **normalize/dnd/combat-turns/invariants** |
-| Item events | **extract/dnd/item-events/shape**, **extract/dnd/item-events/registry**, **extract/dnd/item-events/source_refs**, **extract/dnd/item-events/source_relatedness**, **normalize/dnd/item-events/invariants** |
+| Item occurrences | **extract/dnd/item-occurrences/shape**, **extract/dnd/item-occurrences/registry**, **extract/dnd/item-occurrences/source_refs**, **extract/dnd/item-occurrences/source_relatedness**, **normalize/dnd/item-occurrences/invariants** |
 | Item registry | **extract/dnd/item-registry/shape**, **extract/dnd/item-registry/source_refs**, **extract/dnd/item-registry/source_relatedness**, **normalize/dnd/item-registry/identity** |
 | NPC occurrences | **extract/dnd/npc-occurrences/shape**, **extract/dnd/npc-occurrences/registry**, **extract/dnd/npc-occurrences/source_refs**, **extract/dnd/npc-occurrences/source_relatedness**, **normalize/dnd/npc-occurrences/invariants** |
 | Scene descriptions | **extract/dnd/scene-descriptions/shape**, **extract/dnd/scene-descriptions/source_refs**, **extract/dnd/scene-descriptions/source_relatedness**, **normalize/dnd/scene-descriptions/invariants** |
@@ -455,7 +455,7 @@ same at both stages.
 | Spells | generic/valid_json, extract/dnd/spells/shape, extract/dnd/spells/catalog, extract/dnd/spells/source_refs, generic/valid_json_schema, extract/dnd/spells/source_relatedness | Same as extract |
 | NPC registry | generic/valid_json, extract/dnd/npc-registry/shape, extract/dnd/npc-registry/source_refs, generic/valid_json_schema, extract/dnd/npc-registry/source_relatedness | generic/valid_json, extract/dnd/npc-registry/shape, normalize/dnd/npc-registry/identity, extract/dnd/npc-registry/source_refs, generic/valid_json_schema, extract/dnd/npc-registry/source_relatedness |
 | Combat turns | generic/valid_json, extract/dnd/combat-turns/shape, extract/dnd/combat-turns/source_refs, generic/valid_json_schema, extract/dnd/combat-turns/source_relatedness | generic/valid_json, extract/dnd/combat-turns/shape, normalize/dnd/combat-turns/invariants, extract/dnd/combat-turns/source_refs, generic/valid_json_schema, extract/dnd/combat-turns/source_relatedness |
-| Item events | generic/valid_json, extract/dnd/item-events/shape, extract/dnd/item-events/registry, extract/dnd/item-events/source_refs, generic/valid_json_schema, extract/dnd/item-events/source_relatedness | generic/valid_json, extract/dnd/item-events/shape, extract/dnd/item-events/registry, normalize/dnd/item-events/invariants, extract/dnd/item-events/source_refs, generic/valid_json_schema, extract/dnd/item-events/source_relatedness |
+| Item occurrences | generic/valid_json, extract/dnd/item-occurrences/shape, extract/dnd/item-occurrences/registry, extract/dnd/item-occurrences/source_refs, generic/valid_json_schema, extract/dnd/item-occurrences/source_relatedness | generic/valid_json, extract/dnd/item-occurrences/shape, extract/dnd/item-occurrences/registry, normalize/dnd/item-occurrences/invariants, extract/dnd/item-occurrences/source_refs, generic/valid_json_schema, extract/dnd/item-occurrences/source_relatedness |
 | Item registry | generic/valid_json, extract/dnd/item-registry/shape, extract/dnd/item-registry/source_refs, generic/valid_json_schema, extract/dnd/item-registry/source_relatedness | generic/valid_json, extract/dnd/item-registry/shape, normalize/dnd/item-registry/identity, extract/dnd/item-registry/source_refs, generic/valid_json_schema, extract/dnd/item-registry/source_relatedness |
 | NPC occurrences | generic/valid_json, extract/dnd/npc-occurrences/shape, extract/dnd/npc-occurrences/registry, extract/dnd/npc-occurrences/source_refs, generic/valid_json_schema, extract/dnd/npc-occurrences/source_relatedness | generic/valid_json, extract/dnd/npc-occurrences/shape, extract/dnd/npc-occurrences/registry, normalize/dnd/npc-occurrences/invariants, extract/dnd/npc-occurrences/source_refs, generic/valid_json_schema, extract/dnd/npc-occurrences/source_relatedness |
 | Scene descriptions | generic/valid_json, extract/dnd/scene-descriptions/shape, extract/dnd/scene-descriptions/source_refs, generic/valid_json_schema, extract/dnd/scene-descriptions/source_relatedness | generic/valid_json, extract/dnd/scene-descriptions/shape, normalize/dnd/scene-descriptions/invariants, extract/dnd/scene-descriptions/source_refs, generic/valid_json_schema, extract/dnd/scene-descriptions/source_relatedness |
--- a/docs/integrations/dnd-item-occurrence-artifacts.md
+++ b/docs/integrations/dnd-item-occurrence-artifacts.md
@@ -1,6 +1,6 @@
 # D&D Item-Occurrence Artifact
-`dnd/item-events` currently produces this source-grounded item and currency
+`dnd/item-occurrences` currently produces this source-grounded item and currency
 occurrence list. It records discoveries and possession changes, not an
 inventory, balance, or ledger.
--- a/docs/integrations/json-output.md
+++ b/docs/integrations/json-output.md
@@ -74,7 +74,7 @@ than infer a lane schema from its name. The current D&D payload contracts are
 [spells](dnd-spell-artifacts.md), [NPC registry](dnd-npc-registry-artifacts.md),
 [NPC occurrences](dnd-npc-occurrence-artifacts.md),
 [combat turns](dnd-combat-turn-artifacts.md),
-[item events](dnd-item-event-artifacts.md),
+[item occurrences](dnd-item-occurrence-artifacts.md),
 [scene descriptions](dnd-scene-description-artifacts.md), and
 [enemy events](dnd-enemy-event-artifacts.md),
 [location registry](dnd-location-registry-artifacts.md), and
--- a/docs/internal/dnd.md
+++ b/docs/internal/dnd.md
@@ -15,7 +15,7 @@ does not repeat their JSON shapes or schemas.
 | Spells | [spell artifacts](../integrations/dnd-spell-artifacts.md) |
 | NPC registry | [NPC registry artifacts](../integrations/dnd-npc-registry-artifacts.md) |
 | Combat turns | [combat-turn artifacts](../integrations/dnd-combat-turn-artifacts.md) |
-| Item events | [item-event artifacts](../integrations/dnd-item-event-artifacts.md) |
+| Item occurrences | [item-occurrence artifacts](../integrations/dnd-item-occurrence-artifacts.md) |
 | Item registry | [item-registry artifacts](../integrations/dnd-item-registry-artifacts.md) |
 | NPC occurrences | [NPC-occurrence artifacts](../integrations/dnd-npc-occurrence-artifacts.md) |
 | Scene descriptions | [scene-description artifacts](../integrations/dnd-scene-description-artifacts.md) |
@@ -123,7 +123,7 @@ the same comparison identity within one scene-scoped result. Normalization may
 combine results from distinct scenes, so it intentionally does not apply that
 rule. Configuration owns the exact validator key and chain position.
-Normalizers are deterministic for spells, combat turns, item events, NPC
+Normalizers are deterministic for spells, combat turns, item occurrences, NPC
 occurrences, scene descriptions, enemy events, and location occurrences. They canonicalize display
 values and evidence, use source-document order for stable output, and issue
 bounded warnings for changes or collapsed duplicates. The NPC and location
@@ -163,7 +163,7 @@ shared helper changes.
 | Spells | May use a spell-catalog overlay and optional NPC grounding; the catalog validator supplies domain-specific semantic checks. |
 | NPCs | Does not consume an NPC registry. Its normalizer is the LLM-assisted reconciliation exception described above. |
 | Combat turns | Requires a scene-description artifact. It calls the LLM only for an exact `combat` classification; exact non-combat classifications return an accepted empty result, while missing or mismatched classifications return an empty result with a bounded warning. Optional NPC grounding never becomes evidence. |
-| Item events | Uses campaign context for disambiguation but has no NPC-registry or scene-description dependency. |
+| Item occurrences | Uses campaign context for disambiguation but has no NPC-registry or scene-description dependency. |
 | Item registry | Produces source-grounded item types and unique designations. Its LLM-assisted reconciliation is proposal-only, preserves distinct currency denominations and item types, and does not create per-instance identities. |
 | NPC occurrences | Requires the normalized NPC registry at extraction and normalization, using it for canonical actor grounding only. |
 | Scene descriptions | Produces the classifications consumed by combat routing; it does not consume an NPC registry or provide evidence for combat artifacts. |
--- a/examples/dnd-complete.config.yml
+++ b/examples/dnd-complete.config.yml
@@ -35,7 +35,7 @@ pipelines:
          enabled: true
          window_units: 3
          lanes:
-            - item-events
+            - item-occurrences
            - item-registry
            - locations
            - location-occurrences
@@ -97,12 +97,12 @@ pipelines:
              step: describe-session
              lane: item-registry
        artifacts:
-          item-events:
+          item-occurrences:
            extract:
-              module: dnd/item-events
+              module: dnd/item-occurrences
              retries: 2
            merge: appendorder
-            normalize: dnd/item-events
+            normalize: dnd/item-occurrences
          spells:
            extract:
              module: dnd/spells
--- a/internal/cli/dnd_enemy_events_contract_test.go
+++ b/internal/cli/dnd_enemy_events_contract_test.go
@@ -24,7 +24,7 @@ import (
 	locationcodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/locationregistry"
 	combat "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/combatturns"
 	enemyevents "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/enemyevents"
-	itemevents "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/itemevents"
+	itemoccurrences "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/itemoccurrences"
 	itemregistry "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/itemregistry"
 	locationoccurrences "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/locationoccurrences"
 	locations "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/locationregistry"
@@ -259,7 +259,7 @@ func (client *enemyEventLLMClient) CompleteStructured(ctx context.Context, reque
 		content = []byte(`{"items":[]}`)
 	case itemregistrynormalize.PromptID:
 		content = []byte(`{"duplicate_groups":[]}`)
-	case itemevents.PromptID:
+	case itemoccurrences.PromptID:
 		content = []byte(`{"occurrences":[]}`)
 	case combat.PromptID:
 		content = []byte(`{"combat_turns":[{"actor":"Kesh","turn_kind":"turn","source_refs":[{"start_unit_id":8,"end_unit_id":8}]}]}`)
--- a/internal/cli/example_contract_test.go
+++ b/internal/cli/example_contract_test.go
@@ -58,7 +58,7 @@ func TestMaintainedExamplesLoadResolveAndList(t *testing.T) {
 					t.Fatalf("materialize maintained example references for %q: %v", pipelineID, err)
 				}
 				if example.name == "complete" {
-					if got := exampleStepLaneIDs(materialized); strings.Join(got, "|") != "describe-session:item-registry,locations,npc_registry,scene-descriptions|extract-events:combat-turns,item-events,location-occurrences,npc-occurrences,spells|track-enemies:enemy-events" {
+					if got := exampleStepLaneIDs(materialized); strings.Join(got, "|") != "describe-session:item-registry,locations,npc_registry,scene-descriptions|extract-events:combat-turns,item-occurrences,location-occurrences,npc-occurrences,spells|track-enemies:enemy-events" {
 						t.Fatalf("complete example steps and lanes = %v, want the documented D&D extractor composition", got)
 					}
 					locationLane := referenceContractLane(t, materialized, "locations")
@@ -88,13 +88,13 @@ func TestMaintainedExamplesLoadResolveAndList(t *testing.T) {
 						len(spellLane.NormalizeReferences.ReferenceSet.Slots["spell_catalog"].Items) != 1 {
 						t.Fatalf("complete example spell catalog reference was not materialized: %#v", spellLane)
 					}
-					itemEventLane := referenceContractLane(t, materialized, "item-events")
+					itemOccurrenceLane := referenceContractLane(t, materialized, "item-occurrences")
-					for _, references := range []pipeline.ResolvedReferenceTarget{itemEventLane.ExtractReferences, itemEventLane.NormalizeReferences} {
+					for _, references := range []pipeline.ResolvedReferenceTarget{itemOccurrenceLane.ExtractReferences, itemOccurrenceLane.NormalizeReferences} {
 						if _, found := references.ReferenceSet.Slots["npc_registry"]; found {
-							t.Fatalf("item event lane unexpectedly depends on generated NPCs: %#v", itemEventLane)
+							t.Fatalf("item occurrence lane unexpectedly depends on generated NPCs: %#v", itemOccurrenceLane)
 						}
 						if _, found := references.ReferenceSet.Slots["scene_descriptions"]; found {
-							t.Fatalf("item event lane unexpectedly depends on generated scene descriptions: %#v", itemEventLane)
+							t.Fatalf("item occurrence lane unexpectedly depends on generated scene descriptions: %#v", itemOccurrenceLane)
 						}
 					}
 					enemyEventLane := referenceContractLane(t, materialized, "enemy-events")
--- a/internal/cli/production_contract_test.go
+++ b/internal/cli/production_contract_test.go
@@ -29,16 +29,16 @@ import (
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/chunk/scenes"
 	combatcodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/combatturns"
 	enemyeventcodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/enemyevents"
-	itemeventcodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/itemevents"
+	itemoccurrencecodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/itemoccurrences"
 	spellcodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/spells"
 	combatextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/combatturns"
 	enemyeventextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/enemyevents"
-	itemeventextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/itemevents"
+	itemoccurrenceextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/itemoccurrences"
 	itemregistryextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/itemregistry"
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/spells"
 	combatnormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/combatturns"
 	enemyeventnormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/enemyevents"
-	itemeventnormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/itemevents"
+	itemoccurrencenormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/itemoccurrences"
 	itemregistrynormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/itemregistry"
 	spellnormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/spells"
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/generic/normalize/noop"
@@ -51,9 +51,9 @@ func TestProductionCatalogCoversMaintainedConfigurations(t *testing.T) {
 	assertProductionContains(t, "inputs", registries.Inputs.RegisteredKeys(), []string{"seriatim"})
 	assertProductionContains(t, "chunkers", registries.Chunkers.RegisteredKeys(), []string{"dnd/scenes", "generic"})
-	assertProductionContains(t, "extractors", registries.Extractors.RegisteredKeys(), []string{"dnd/spells", "dnd/npc-registry", combatextract.Key, itemeventextract.Key, enemyeventextract.Key})
+	assertProductionContains(t, "extractors", registries.Extractors.RegisteredKeys(), []string{"dnd/spells", "dnd/npc-registry", combatextract.Key, itemoccurrenceextract.Key, enemyeventextract.Key})
 	assertProductionContains(t, "mergers", registries.Mergers.RegisteredKeys(), []string{"appendorder"})
-	assertProductionContains(t, "normalizers", registries.Normalizers.RegisteredKeys(), []string{"noop", spellnormalize.Key, "dnd/npc-registry", combatnormalize.Key, itemeventnormalize.Key, enemyeventnormalize.Key})
+	assertProductionContains(t, "normalizers", registries.Normalizers.RegisteredKeys(), []string{"noop", spellnormalize.Key, "dnd/npc-registry", combatnormalize.Key, itemoccurrencenormalize.Key, enemyeventnormalize.Key})
 	assertProductionContains(t, "outputs", registries.Outputs.RegisteredKeys(), []string{"json"})
 	assertProductionContains(t, "validators", registries.Validators.RegisteredKeys(), []string{
 		"extract/dnd/spells/catalog",
@@ -64,10 +64,10 @@ func TestProductionCatalogCoversMaintainedConfigurations(t *testing.T) {
 		"extract/dnd/combat-turns/source_refs",
 		"extract/dnd/combat-turns/source_relatedness",
 		"normalize/dnd/combat-turns/invariants",
-		"extract/dnd/item-events/shape",
+		"extract/dnd/item-occurrences/shape",
-		"extract/dnd/item-events/source_refs",
+		"extract/dnd/item-occurrences/source_refs",
-		"extract/dnd/item-events/source_relatedness",
+		"extract/dnd/item-occurrences/source_relatedness",
-		"normalize/dnd/item-events/invariants",
+		"normalize/dnd/item-occurrences/invariants",
 		"extract/dnd/enemy-events/shape",
 		"extract/dnd/enemy-events/engagements",
 		"extract/dnd/enemy-events/source_refs",
@@ -83,7 +83,7 @@ func TestProductionCatalogCoversMaintainedConfigurations(t *testing.T) {
 	assertProductionContains(t, "normalizer variants", registries.Normalizers.RegisteredArtifactKinds(pipeline.DefaultNormalizeModule), []contracts.ArtifactKind{dnd.SpellListKind, dnd.NPCRegistryKind, dnd.CombatTurnListKind, dnd.ItemOccurrenceListKind, dnd.EnemyEventListKind})
 	assertProductionContains(t, "spell normalizer variants", registries.Normalizers.RegisteredArtifactKinds(spellnormalize.Key), []contracts.ArtifactKind{dnd.SpellListKind})
 	assertProductionContains(t, "combat normalizer variants", registries.Normalizers.RegisteredArtifactKinds(combatnormalize.Key), []contracts.ArtifactKind{dnd.CombatTurnListKind})
-	assertProductionContains(t, "item event normalizer variants", registries.Normalizers.RegisteredArtifactKinds(itemeventnormalize.Key), []contracts.ArtifactKind{dnd.ItemOccurrenceListKind})
+	assertProductionContains(t, "item occurrence normalizer variants", registries.Normalizers.RegisteredArtifactKinds(itemoccurrencenormalize.Key), []contracts.ArtifactKind{dnd.ItemOccurrenceListKind})
 	assertProductionContains(t, "enemy event normalizer variants", registries.Normalizers.RegisteredArtifactKinds(enemyeventnormalize.Key), []contracts.ArtifactKind{dnd.EnemyEventListKind})
 	wantChain := []pipeline.ModuleBinding{
@@ -121,28 +121,28 @@ func TestProductionCatalogCoversMaintainedConfigurations(t *testing.T) {
 	if got := registries.ValidatorChains.Validators(pipeline.StageNormalize, combatnormalize.Key); !reflect.DeepEqual(got, combatNormalizeChain) {
 		t.Fatalf("combat normalize validator chain = %#v, want %#v", got, combatNormalizeChain)
 	}
-	itemEventExtractChain := []pipeline.ModuleBinding{
+	itemOccurrenceExtractChain := []pipeline.ModuleBinding{
 		pipeline.Binding("generic/valid_json"),
-		pipeline.Binding("extract/dnd/item-events/shape"),
+		pipeline.Binding("extract/dnd/item-occurrences/shape"),
-		pipeline.Binding("extract/dnd/item-events/registry"),
+		pipeline.Binding("extract/dnd/item-occurrences/registry"),
-		pipeline.Binding("extract/dnd/item-events/source_refs"),
+		pipeline.Binding("extract/dnd/item-occurrences/source_refs"),
 		pipeline.Binding("generic/valid_json_schema"),
-		pipeline.Binding("extract/dnd/item-events/source_relatedness"),
+		pipeline.Binding("extract/dnd/item-occurrences/source_relatedness"),
 	}
-	itemEventNormalizeChain := []pipeline.ModuleBinding{
+	itemOccurrenceNormalizeChain := []pipeline.ModuleBinding{
 		pipeline.Binding("generic/valid_json"),
-		pipeline.Binding("extract/dnd/item-events/shape"),
+		pipeline.Binding("extract/dnd/item-occurrences/shape"),
-		pipeline.Binding("extract/dnd/item-events/registry"),
+		pipeline.Binding("extract/dnd/item-occurrences/registry"),
-		pipeline.Binding("normalize/dnd/item-events/invariants"),
+		pipeline.Binding("normalize/dnd/item-occurrences/invariants"),
-		pipeline.Binding("extract/dnd/item-events/source_refs"),
+		pipeline.Binding("extract/dnd/item-occurrences/source_refs"),
 		pipeline.Binding("generic/valid_json_schema"),
-		pipeline.Binding("extract/dnd/item-events/source_relatedness"),
+		pipeline.Binding("extract/dnd/item-occurrences/source_relatedness"),
 	}
-	if got := registries.ValidatorChains.Validators(pipeline.StageExtract, itemeventextract.Key); !reflect.DeepEqual(got, itemEventExtractChain) {
+	if got := registries.ValidatorChains.Validators(pipeline.StageExtract, itemoccurrenceextract.Key); !reflect.DeepEqual(got, itemOccurrenceExtractChain) {
-		t.Fatalf("item event extract validator chain = %#v, want %#v", got, itemEventExtractChain)
+		t.Fatalf("item occurrence extract validator chain = %#v, want %#v", got, itemOccurrenceExtractChain)
 	}
-	if got := registries.ValidatorChains.Validators(pipeline.StageNormalize, itemeventnormalize.Key); !reflect.DeepEqual(got, itemEventNormalizeChain) {
+	if got := registries.ValidatorChains.Validators(pipeline.StageNormalize, itemoccurrencenormalize.Key); !reflect.DeepEqual(got, itemOccurrenceNormalizeChain) {
-		t.Fatalf("item event normalize validator chain = %#v, want %#v", got, itemEventNormalizeChain)
+		t.Fatalf("item occurrence normalize validator chain = %#v, want %#v", got, itemOccurrenceNormalizeChain)
 	}
 	enemyEventExtractChain := []pipeline.ModuleBinding{
 		pipeline.Binding("generic/valid_json"),
@@ -168,7 +168,7 @@ func TestProductionCatalogCoversMaintainedConfigurations(t *testing.T) {
 		{stage: pipeline.StageExtract, key: "dnd/spells", want: contracts.ExecutionClassLLMBacked},
 		{stage: pipeline.StageExtract, key: "dnd/npc-registry", want: contracts.ExecutionClassLLMBacked},
 		{stage: pipeline.StageExtract, key: "dnd/combat-turns", want: contracts.ExecutionClassLLMBacked},
-		{stage: pipeline.StageExtract, key: "dnd/item-events", want: contracts.ExecutionClassLLMBacked},
+		{stage: pipeline.StageExtract, key: "dnd/item-occurrences", want: contracts.ExecutionClassLLMBacked},
 		{stage: pipeline.StageExtract, key: "dnd/npc-occurrences", want: contracts.ExecutionClassLLMBacked},
 		{stage: pipeline.StageExtract, key: "dnd/scene-descriptions", want: contracts.ExecutionClassLLMBacked},
 		{stage: pipeline.StageExtract, key: enemyeventextract.Key, want: contracts.ExecutionClassLLMBacked},
@@ -177,7 +177,7 @@ func TestProductionCatalogCoversMaintainedConfigurations(t *testing.T) {
 		{stage: pipeline.StageNormalize, key: "dnd/spells", want: contracts.ExecutionClassDeterministic},
 		{stage: pipeline.StageNormalize, key: "dnd/npc-registry", want: contracts.ExecutionClassLLMBacked},
 		{stage: pipeline.StageNormalize, key: "dnd/combat-turns", want: contracts.ExecutionClassDeterministic},
-		{stage: pipeline.StageNormalize, key: "dnd/item-events", want: contracts.ExecutionClassDeterministic},
+		{stage: pipeline.StageNormalize, key: "dnd/item-occurrences", want: contracts.ExecutionClassDeterministic},
 		{stage: pipeline.StageNormalize, key: "dnd/npc-occurrences", want: contracts.ExecutionClassDeterministic},
 		{stage: pipeline.StageNormalize, key: "dnd/scene-descriptions", want: contracts.ExecutionClassDeterministic},
 		{stage: pipeline.StageNormalize, key: enemyeventnormalize.Key, want: contracts.ExecutionClassDeterministic},
@@ -200,9 +200,9 @@ func TestProductionCatalogCoversMaintainedConfigurations(t *testing.T) {
 	if !ok || combatCodecSpec.Kind != dnd.CombatTurnListKind || combatCodecSpec.Schema.ID != combatcodec.SchemaID {
 		t.Fatalf("combat codec spec = %#v, ok=%t, want typed D&D combat codec", combatCodecSpec, ok)
 	}
-	itemEventCodecSpec, ok := catalog.ArtifactCodecs.Spec(dnd.ItemOccurrenceListKind)
+	itemOccurrenceCodecSpec, ok := catalog.ArtifactCodecs.Spec(dnd.ItemOccurrenceListKind)
-	if !ok || itemEventCodecSpec.Kind != dnd.ItemOccurrenceListKind || itemEventCodecSpec.Schema.ID != itemeventcodec.SchemaID {
+	if !ok || itemOccurrenceCodecSpec.Kind != dnd.ItemOccurrenceListKind || itemOccurrenceCodecSpec.Schema.ID != itemoccurrencecodec.SchemaID {
-		t.Fatalf("item event codec spec = %#v, ok=%t, want typed D&D item-event codec", itemEventCodecSpec, ok)
+		t.Fatalf("item occurrence codec spec = %#v, ok=%t, want typed D&D item-occurrence codec", itemOccurrenceCodecSpec, ok)
 	}
 	enemyEventCodecSpec, ok := catalog.ArtifactCodecs.Spec(dnd.EnemyEventListKind)
 	if !ok || enemyEventCodecSpec.Kind != dnd.EnemyEventListKind || enemyEventCodecSpec.Schema.ID != enemyeventcodec.SchemaID {
@@ -783,8 +783,8 @@ func TestProductionSceneRunRecordsAnnotationFreeChunkPlanAndProvenance(t *testin
 	if len(warnings.Warnings) != 0 {
 		t.Fatalf("warnings = %#v, want none", warnings.Warnings)
 	}
-	if len(fake.requestsFor(scenes.PromptID)) != 1 || len(fake.requestsFor(spells.PromptID)) != 1 || len(fake.requestsFor(itemeventextract.PromptID)) != 1 {
+	if len(fake.requestsFor(scenes.PromptID)) != 1 || len(fake.requestsFor(spells.PromptID)) != 1 || len(fake.requestsFor(itemoccurrenceextract.PromptID)) != 1 {
-		t.Fatalf("fake prompt requests = %#v, want one scene, spell, and item-event request", fake.requestPrompts())
+		t.Fatalf("fake prompt requests = %#v, want one scene, spell, and item-occurrence request", fake.requestPrompts())
 	}
 }
@@ -935,8 +935,8 @@ pipelines:
        artifacts:
          spells:
            extract: dnd/spells
-          item-events:
+          item-occurrences:
-            extract: dnd/item-events
+            extract: dnd/item-occurrences
 `, outputRoot, filepath.Join(filepath.Dir(outputRoot), "debug"), chunkModule)
 }
@@ -1013,7 +1013,7 @@ func (client *productionFakeLLMClient) CompleteStructured(ctx context.Context, r
 		} else {
 			content = []byte(`{"spell_casts":[{"caster":"Aria","spell":"Cure Wounds","source_refs":[{"start_unit_id":1,"end_unit_id":1}]}]}`)
 		}
-	case itemeventextract.PromptID:
+	case itemoccurrenceextract.PromptID:
 		content = []byte(`{"occurrences":[]}`)
 	case itemregistryextract.PromptID:
 		content = []byte(`{"items":[]}`)
--- a/internal/modules/dnd/codec/itemoccurrences/assets/schemas/dnd_item_occurrences.v1.json
+++ b/internal/modules/dnd/codec/itemoccurrences/assets/schemas/dnd_item_occurrences.v1.json
--- a/internal/modules/dnd/codec/itemoccurrences/codec.go
+++ b/internal/modules/dnd/codec/itemoccurrences/codec.go
@@ -1,5 +1,5 @@
-// Package itemevents encodes durable D&D item-event artifacts.
+// Package itemoccurrences encodes durable D&D item-occurrence artifacts.
-package itemevents
+package itemoccurrences
 import (
 	"embed"
@@ -10,7 +10,7 @@ import (
 	"gitea.maximumdirect.net/eric/notarius/internal/framework/contracts"
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/candidatejson"
-	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/itemevents"
+	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/itemoccurrences"
 )
 const (
@@ -86,35 +86,35 @@ func (c *Codec) DecodeCandidate(content []byte) (dnd.ItemOccurrenceList, error)
 func validate(value dnd.ItemOccurrenceList) error {
 	if value.Occurrences == nil {
-		return fmt.Errorf("events must be present")
+		return fmt.Errorf("occurrences must be present")
 	}
-	for index, event := range value.Occurrences {
+	for index, occurrence := range value.Occurrences {
 		prefix := fmt.Sprintf("occurrences[%d]", index)
-		if strings.TrimSpace(event.ItemID) == "" {
+		if strings.TrimSpace(occurrence.ItemID) == "" {
 			return fmt.Errorf("%s.item_id must not be empty", prefix)
 		}
-		if strings.TrimSpace(event.Name) == "" {
+		if strings.TrimSpace(occurrence.Name) == "" {
 			return fmt.Errorf("%s.name must not be empty", prefix)
 		}
-		if !itemevents.SupportedKind(event.Kind) {
+		if !itemoccurrences.SupportedKind(occurrence.Kind) {
 			return fmt.Errorf("%s.kind must be supported", prefix)
 		}
-		if event.From != "" && strings.TrimSpace(event.From) == "" {
+		if occurrence.From != "" && strings.TrimSpace(occurrence.From) == "" {
 			return fmt.Errorf("%s.from must not be empty when present", prefix)
 		}
-		if event.To != "" && strings.TrimSpace(event.To) == "" {
+		if occurrence.To != "" && strings.TrimSpace(occurrence.To) == "" {
 			return fmt.Errorf("%s.to must not be empty when present", prefix)
 		}
-		if !itemevents.ValidHolderCombination(event.Kind, event.From, event.To) {
+		if !itemoccurrences.ValidHolderCombination(occurrence.Kind, occurrence.From, occurrence.To) {
-			return fmt.Errorf("%s holders are incompatible with %q", prefix, event.Kind)
+			return fmt.Errorf("%s holders are incompatible with %q", prefix, occurrence.Kind)
 		}
-		if event.Quantity != nil && *event.Quantity < 1 {
+		if occurrence.Quantity != nil && *occurrence.Quantity < 1 {
 			return fmt.Errorf("%s.quantity must be positive when present", prefix)
 		}
-		if len(event.SourceRefs) == 0 {
+		if len(occurrence.SourceRefs) == 0 {
 			return fmt.Errorf("%s.source_refs must contain at least one reference", prefix)
 		}
-		for refIndex, ref := range event.SourceRefs {
+		for refIndex, ref := range occurrence.SourceRefs {
 			refPrefix := fmt.Sprintf("%s.source_refs[%d]", prefix, refIndex)
 			if strings.TrimSpace(ref.SourceID) == "" {
 				return fmt.Errorf("%s.source_id must not be empty", refPrefix)
@@ -135,14 +135,14 @@ func cloneList(value dnd.ItemOccurrenceList) dnd.ItemOccurrenceList {
 		return dnd.ItemOccurrenceList{}
 	}
 	cloned := dnd.ItemOccurrenceList{Occurrences: make([]dnd.ItemOccurrence, len(value.Occurrences))}
-	for index, event := range value.Occurrences {
+	for index, occurrence := range value.Occurrences {
-		cloned.Occurrences[index] = event
+		cloned.Occurrences[index] = occurrence
-		if event.Quantity != nil {
+		if occurrence.Quantity != nil {
-			quantity := *event.Quantity
+			quantity := *occurrence.Quantity
 			cloned.Occurrences[index].Quantity = &quantity
 		}
-		if event.SourceRefs != nil {
+		if occurrence.SourceRefs != nil {
-			cloned.Occurrences[index].SourceRefs = append([]source.SourceRef(nil), event.SourceRefs...)
+			cloned.Occurrences[index].SourceRefs = append([]source.SourceRef(nil), occurrence.SourceRefs...)
 		}
 	}
 	return cloned
--- a/internal/modules/dnd/codec/itemoccurrences/codec_test.go
+++ b/internal/modules/dnd/codec/itemoccurrences/codec_test.go
@@ -1,4 +1,4 @@
-package itemevents
+package itemoccurrences
 import (
 	"bytes"
@@ -93,10 +93,10 @@ func TestCodecRejectsStrictJSONAndApprovedBoundaries(t *testing.T) {
 	}{
 		{"malformed", `{`, "decode dnd item occurrence list"},
 		{"unknown top level", `{"occurrences":[],"unexpected":true}`, "unknown field"},
-		{"unknown event field", strings.Replace(validJSON, `"to":"party"`, `"to":"party","unexpected":true`, 1), "unknown field"},
+		{"unknown occurrence field", strings.Replace(validJSON, `"to":"party"`, `"to":"party","unexpected":true`, 1), "unknown field"},
 		{"unknown reference field", strings.Replace(validJSON, `"end_unit_id":1`, `"end_unit_id":1,"unexpected":true`, 1), "unknown field"},
 		{"trailing", `{"occurrences":[]} {}`, "multiple JSON values"},
-		{"missing list", `{}`, "events must be present"},
+		{"missing list", `{}`, "occurrences must be present"},
 		{"zero quantity", strings.Replace(validJSON, `"to":"party"`, `"quantity":0,"to":"party"`, 1), "quantity must be positive"},
 		{"negative quantity", strings.Replace(validJSON, `"to":"party"`, `"quantity":-1,"to":"party"`, 1), "quantity must be positive"},
 		{"party transfer", strings.Replace(validJSON, `"kind":"acquired","to":"party"`, `"kind":"transferred","from":"party","to":"Borin"`, 1), "holders are incompatible"},
@@ -125,7 +125,7 @@ func TestCodecDeepCopiesBoundaryValuesAndMetadata(t *testing.T) {
 		t.Fatal(err)
 	}
 	if decoded.Occurrences[1].Quantity == value.Occurrences[1].Quantity || &decoded.Occurrences[1].SourceRefs[0] == &value.Occurrences[1].SourceRefs[0] {
-		t.Fatal("DecodeCandidate() retained caller-owned event fields")
+		t.Fatal("DecodeCandidate() retained caller-owned occurrence fields")
 	}
 	*decoded.Occurrences[1].Quantity = 99
 	decoded.Occurrences[1].SourceRefs[0].SourceID = "changed"
--- a/internal/modules/dnd/extract/itemoccurrences/canonicalize.go
+++ b/internal/modules/dnd/extract/itemoccurrences/canonicalize.go
@@ -1,4 +1,4 @@
-package itemevents
+package itemoccurrences
 import (
 	"sort"
@@ -42,12 +42,12 @@ func canonicalizeResponse(response *extractionResponse, order shared.SourceRefOr
 	}
 }
-func canonicalizeItemOccurrence(event *itemOccurrenceResponse, order shared.SourceRefOrder, sourceID string) (int, bool) {
+func canonicalizeItemOccurrence(occurrence *itemOccurrenceResponse, order shared.SourceRefOrder, sourceID string) (int, bool) {
-	if event == nil {
+	if occurrence == nil {
 		return 0, false
 	}
-	refs := order.Canonicalize(itemOccurrenceSourceRefs(event.SourceRefs, sourceID))
+	refs := order.Canonicalize(itemOccurrenceSourceRefs(occurrence.SourceRefs, sourceID))
-	event.SourceRefs = itemOccurrenceResponseRefs(refs)
+	occurrence.SourceRefs = itemOccurrenceResponseRefs(refs)
 	return order.EarliestValid(refs)
 }
@@ -56,19 +56,19 @@ func canonicalItemOccurrenceList(response extractionResponse, sourceID string, r
 		return dnd.ItemOccurrenceList{}
 	}
 	occurrences := make([]dnd.ItemOccurrence, 0, len(response.Occurrences))
-	for _, event := range response.Occurrences {
+	for _, occurrence := range response.Occurrences {
-		item, found := registry.LookupID(event.ItemID)
+		item, found := registry.LookupID(occurrence.ItemID)
-		if !found || item.Name != event.Name {
+		if !found || item.Name != occurrence.Name {
 			continue
 		}
 		occurrences = append(occurrences, dnd.ItemOccurrence{
-			ItemID:     event.ItemID,
+			ItemID:     occurrence.ItemID,
-			Name:       event.Name,
+			Name:       occurrence.Name,
-			Kind:       dnd.ItemOccurrenceKind(event.Kind),
+			Kind:       dnd.ItemOccurrenceKind(occurrence.Kind),
-			Quantity:   cloneQuantity(event.Quantity),
+			Quantity:   cloneQuantity(occurrence.Quantity),
-			From:       event.From,
+			From:       occurrence.From,
-			To:         event.To,
+			To:         occurrence.To,
-			SourceRefs: itemOccurrenceSourceRefs(event.SourceRefs, sourceID),
+			SourceRefs: itemOccurrenceSourceRefs(occurrence.SourceRefs, sourceID),
 		})
 	}
 	return dnd.ItemOccurrenceList{Occurrences: occurrences}
--- a/internal/modules/dnd/extract/itemoccurrences/extractor.go
+++ b/internal/modules/dnd/extract/itemoccurrences/extractor.go
@@ -1,5 +1,5 @@
-// Package itemevents extracts source-grounded D&D item occurrences.
+// Package itemoccurrences extracts source-grounded D&D item occurrences.
-package itemevents
+package itemoccurrences
 import (
 	"context"
@@ -13,14 +13,14 @@ import (
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/shared"
 )
-const Key = "dnd/item-events"
+const Key = "dnd/item-occurrences"
 const (
 	ItemRegistryReferenceSlot = itemregistry.ReferenceSlot
 	ItemRegistryMaxBytes      = itemregistry.MaxBytes
 )
-const mappingPolicy = "dnd.item_events.extract_mapping.v1"
+const mappingPolicy = "dnd.item_occurrences.extract_mapping.v1"
 var requiredCapabilities = []string{
 	"chunks",
@@ -28,7 +28,7 @@ var requiredCapabilities = []string{
 }
 var providedCapabilities = []string{
-	"dnd.item_events",
+	"dnd.item_occurrences",
 }
 var referenceSlotDescriptions = shared.ReferenceSlotDescriptions{
--- a/internal/modules/dnd/extract/itemoccurrences/extractor_test.go
+++ b/internal/modules/dnd/extract/itemoccurrences/extractor_test.go
@@ -1,4 +1,4 @@
-package itemevents
+package itemoccurrences
 import (
 	"context"
--- a/internal/modules/dnd/extract/itemoccurrences/model.go
+++ b/internal/modules/dnd/extract/itemoccurrences/model.go
@@ -1,4 +1,4 @@
-package itemevents
+package itemoccurrences
 type extractionResponse struct {
 	Occurrences []itemOccurrenceResponse `json:"occurrences"`
--- a/internal/modules/dnd/extract/itemoccurrences/prompt_assets.go
+++ b/internal/modules/dnd/extract/itemoccurrences/prompt_assets.go
@@ -1,4 +1,4 @@
-package itemevents
+package itemoccurrences
 import (
 	"fmt"
@@ -14,7 +14,7 @@ import (
 const promptAssetRoot = "assets/prompts"
 var promptAssetManifest = shared.PromptAssetManifest{
-	ModuleDir: "dnd.item_events",
+	ModuleDir: "dnd.item_occurrences",
 	ModuleFiles: []promptfs.ModulePromptFile{
 		{Name: "prompt.yaml", Path: "prompts/prompt.yaml"},
 		{Name: "instructions.md", Path: "prompts/instructions.md"},
@@ -30,9 +30,9 @@ var promptAssetManifest = shared.PromptAssetManifest{
 }
 func moduleAssetFS() (fs.FS, error) {
-	assets, err := fs.Sub(rootassets.FS(), "dnd/item-events")
+	assets, err := fs.Sub(rootassets.FS(), "dnd/item-occurrences")
 	if err != nil {
-		return nil, fmt.Errorf("scope item-event assets: %w", err)
+		return nil, fmt.Errorf("scope item-occurrence assets: %w", err)
 	}
 	return assets, nil
 }
@@ -51,7 +51,7 @@ func RegisterPromptAssets(registry *llm.AssetRegistry) error {
 	}
 	schemas, err := fs.Sub(assets, "schemas")
 	if err != nil {
-		return fmt.Errorf("scope item-event schemas: %w", err)
+		return fmt.Errorf("scope item-occurrence schemas: %w", err)
 	}
 	return registry.RegisterSchemaFS(schemas, ".")
 }
--- a/internal/modules/dnd/extract/itemoccurrences/prompt_assets_test.go
+++ b/internal/modules/dnd/extract/itemoccurrences/prompt_assets_test.go
@@ -1,4 +1,4 @@
-package itemevents
+package itemoccurrences
 import (
 	"context"
@@ -21,17 +21,17 @@ func TestPromptAssetsPrepareItemOccurrencePrompt(t *testing.T) {
 		t.Fatal(err)
 	}
 	options = append(options, promptkit.WithProfiles(promptkit.OpenAICompatibleProfile(promptkit.OpenAICompatibleProfileConfig{
-		ID: "item-events-test-profile", Endpoint: "http://127.0.0.1:1/v1", Model: "item-events-test-model",
+		ID: "item-occurrences-test-profile", Endpoint: "http://127.0.0.1:1/v1", Model: "item-occurrences-test-model",
 	})))
 	engine, err := promptkit.NewEngine(promptkit.Config{Timeout: time.Second}, options...)
 	if err != nil {
 		t.Fatal(err)
 	}
 	prepared, err := engine.Prepare(context.Background(), promptkit.RunRequest{
-		PromptID: PromptID, PromptVersion: SchemaVersion, ProfileID: "item-events-test-profile",
+		PromptID: PromptID, PromptVersion: SchemaVersion, ProfileID: "item-occurrences-test-profile",
 		Inputs: map[string]promptkit.ArtifactRef{
-			"transcript":    promptkit.InlineWithURI("file:///session.json", `{"units":[{"sentinel":"item-event-transcript"}]}`),
+			"transcript":    promptkit.InlineWithURI("file:///session.json", `{"units":[{"sentinel":"item-occurrence-transcript"}]}`),
-			"players":       promptkit.Inline("item-event-player"),
+			"players":       promptkit.Inline("item-occurrence-player"),
 			"party":         promptkit.Inline(" "),
 			"glossary":      promptkit.Inline(" "),
 			"item_registry": promptkit.Inline(`{"items":[{"id":"item:sha256:test","name":"Torch"}]}`),
--- a/internal/modules/dnd/extract/itemoccurrences/registry_test.go
+++ b/internal/modules/dnd/extract/itemoccurrences/registry_test.go
@@ -1,4 +1,4 @@
-package itemevents
+package itemoccurrences
 import (
 	"reflect"
--- a/internal/modules/dnd/extract/itemoccurrences/schema.go
+++ b/internal/modules/dnd/extract/itemoccurrences/schema.go
@@ -1,9 +1,9 @@
-package itemevents
+package itemoccurrences
 import "gitea.maximumdirect.net/eric/notarius/internal/framework/llm"
 const (
-	PromptID           = "dnd.item_events"
+	PromptID           = "dnd.item_occurrences"
 	ResponseSchemaKey  = llm.ResponseSchemaKey("dnd_item_occurrences_llm")
 	ResponseSchemaID   = "notarius.dnd.item_occurrences.llm"
 	ResponseSchemaName = "notarius_dnd_item_occurrences_llm_v1"
--- a/internal/modules/dnd/extract/itemoccurrences/schema_test.go
+++ b/internal/modules/dnd/extract/itemoccurrences/schema_test.go
@@ -1,4 +1,4 @@
-package itemevents
+package itemoccurrences
 import (
 	"bytes"
@@ -39,11 +39,11 @@ func TestResponseSchemaIsStrictlyStructuralAndPrivate(t *testing.T) {
 		value map[string]any
 	}{
 		{"missing occurrences", map[string]any{}},
-		{"missing event name", map[string]any{"occurrences": []any{withoutField(responseEvent(), "name")}}},
+		{"missing occurrence name", map[string]any{"occurrences": []any{withoutField(responseOccurrence(), "name")}}},
-		{"missing nullable field", map[string]any{"occurrences": []any{withoutField(responseEvent(), "quantity")}}},
+		{"missing nullable field", map[string]any{"occurrences": []any{withoutField(responseOccurrence(), "quantity")}}},
-		{"unknown event field", map[string]any{"occurrences": []any{withField(responseEvent(), "extra", true)}}},
+		{"unknown occurrence field", map[string]any{"occurrences": []any{withField(responseOccurrence(), "extra", true)}}},
-		{"unknown reference field", map[string]any{"occurrences": []any{withField(responseEvent(), "source_refs", []any{map[string]any{"start_segment": 1, "end_segment": 1, "extra": true}})}}},
+		{"unknown reference field", map[string]any{"occurrences": []any{withField(responseOccurrence(), "source_refs", []any{map[string]any{"start_segment": 1, "end_segment": 1, "extra": true}})}}},
-		{"noninteger range", map[string]any{"occurrences": []any{withField(responseEvent(), "source_refs", []any{map[string]any{"start_segment": 1.5, "end_segment": 1}})}}},
+		{"noninteger range", map[string]any{"occurrences": []any{withField(responseOccurrence(), "source_refs", []any{map[string]any{"start_segment": 1.5, "end_segment": 1}})}}},
 	} {
 		t.Run(test.name, func(t *testing.T) {
 			content, err := json.Marshal(test.value)
@@ -66,7 +66,7 @@ func TestResponseSchemaIsStrictlyStructuralAndPrivate(t *testing.T) {
 	}
 }
-func responseEvent() map[string]any {
+func responseOccurrence() map[string]any {
 	return map[string]any{
 		"item_id": "item:sha256:test", "name": "Ring", "kind": "acquired", "quantity": nil, "from": nil, "to": "party", "source_refs": []any{},
 	}
--- a/internal/modules/dnd/extract/itemoccurrences/test_helpers_test.go
+++ b/internal/modules/dnd/extract/itemoccurrences/test_helpers_test.go
@@ -1,4 +1,4 @@
-package itemevents
+package itemoccurrences
 import (
 	"context"
@@ -26,7 +26,7 @@ func extractionRequest() contracts.TypedExtractionRequest {
 		Chunk:       chunk,
 		SourceInput: contracts.NewLLMInputMaterial("source", chunk.MediaType, chunk.Content, "sha256:chunk", "file:///session-alpha.json"),
 		SessionID:   "session-123",
-		LLMProfile:  "profile-item-events",
+		LLMProfile:  "profile-item-occurrences",
 	}
 }
--- a/internal/modules/dnd/itemoccurrences/itemoccurrences.go
+++ b/internal/modules/dnd/itemoccurrences/itemoccurrences.go
@@ -1,6 +1,6 @@
-// Package itemevents owns canonical ordering and durable domain rules for D&D
+// Package itemoccurrences owns canonical ordering and durable domain rules for D&D
-// item-event artifacts.
+// item-occurrence artifacts.
-package itemevents
+package itemoccurrences
 import (
 	"strconv"
@@ -90,7 +90,7 @@ func ValidSourceRefs(index source.DocumentIndex, refs []source.SourceRef) bool {
 	return true
 }
-// Less defines the canonical event order. Invalid source references remain
+// Less defines the canonical occurrence order. Invalid source references remain
 // comparable through SourceRefOrder's literal fallback so malformed candidates
 // are still safe to sort and diagnose.
 func Less(order shared.SourceRefOrder, left, right dnd.ItemOccurrence) bool {
@@ -126,7 +126,7 @@ func Less(order shared.SourceRefOrder, left, right dnd.ItemOccurrence) bool {
 	return sourceRefsLess(order, order.Canonicalize(left.SourceRefs), order.Canonicalize(right.SourceRefs))
 }
-// ExactEqual reports whether events are exact duplicates after their display
+// ExactEqual reports whether occurrences are exact duplicates after their display
 // fields and evidence have been canonicalized for the supplied source order.
 func ExactEqual(order shared.SourceRefOrder, left, right dnd.ItemOccurrence) bool {
 	if left.ItemID != right.ItemID || DisplayValue(left.Name) != DisplayValue(right.Name) || left.Kind != right.Kind ||
@@ -142,21 +142,21 @@ func ExactEqual(order shared.SourceRefOrder, left, right dnd.ItemOccurrence) boo
 // ExactIdentity returns a collision-safe duplicate key after display and
 // evidence canonicalization. It is intended for callers that have already
-// decided the event is eligible for duplicate handling.
+// decided the occurrence is eligible for duplicate handling.
-func ExactIdentity(order shared.SourceRefOrder, event dnd.ItemOccurrence) string {
+func ExactIdentity(order shared.SourceRefOrder, occurrence dnd.ItemOccurrence) string {
 	var key strings.Builder
-	writeKeyString(&key, event.ItemID)
+	writeKeyString(&key, occurrence.ItemID)
-	writeKeyString(&key, DisplayValue(event.Name))
+	writeKeyString(&key, DisplayValue(occurrence.Name))
-	writeKeyString(&key, string(event.Kind))
+	writeKeyString(&key, string(occurrence.Kind))
-	writeKeyString(&key, DisplayValue(event.From))
+	writeKeyString(&key, DisplayValue(occurrence.From))
-	writeKeyString(&key, DisplayValue(event.To))
+	writeKeyString(&key, DisplayValue(occurrence.To))
-	if event.Quantity == nil {
+	if occurrence.Quantity == nil {
 		key.WriteByte('0')
 	} else {
 		key.WriteByte('1')
-		writeKeyInt(&key, *event.Quantity)
+		writeKeyInt(&key, *occurrence.Quantity)
 	}
-	for _, ref := range order.Canonicalize(event.SourceRefs) {
+	for _, ref := range order.Canonicalize(occurrence.SourceRefs) {
 		writeKeyString(&key, ref.SourceID)
 		writeKeyInt(&key, ref.StartUnitID)
 		writeKeyInt(&key, ref.EndUnitID)
--- a/internal/modules/dnd/itemoccurrences/itemoccurrences_test.go
+++ b/internal/modules/dnd/itemoccurrences/itemoccurrences_test.go
@@ -1,4 +1,4 @@
-package itemevents
+package itemoccurrences
 import (
 	"sort"
@@ -136,13 +136,13 @@ func TestSourceReferenceHelpers(t *testing.T) {
 func TestLessSortsMalformedReferencesDeterministically(t *testing.T) {
 	order := testOrder()
-	events := []dnd.ItemOccurrence{{ItemID: "item", Name: "A", Kind: dnd.ItemOccurrenceKindDiscovered, SourceRefs: []source.SourceRef{{SourceID: "session", StartUnitID: 999, EndUnitID: 999}}},
+	occurrences := []dnd.ItemOccurrence{{ItemID: "item", Name: "A", Kind: dnd.ItemOccurrenceKindDiscovered, SourceRefs: []source.SourceRef{{SourceID: "session", StartUnitID: 999, EndUnitID: 999}}},
 		{ItemID: "item", Name: "A", Kind: dnd.ItemOccurrenceKindDiscovered, SourceRefs: []source.SourceRef{{SourceID: "other", StartUnitID: 1, EndUnitID: 1}}},
 		{ItemID: "item", Name: "A", Kind: dnd.ItemOccurrenceKindDiscovered, SourceRefs: []source.SourceRef{{SourceID: "session", StartUnitID: 10, EndUnitID: 10}}},
 	}
-	sort.SliceStable(events, func(left, right int) bool { return Less(order, events[left], events[right]) })
+	sort.SliceStable(occurrences, func(left, right int) bool { return Less(order, occurrences[left], occurrences[right]) })
-	if events[0].SourceRefs[0].StartUnitID != 10 || events[1].SourceRefs[0].SourceID != "other" || events[2].SourceRefs[0].StartUnitID != 999 {
+	if occurrences[0].SourceRefs[0].StartUnitID != 10 || occurrences[1].SourceRefs[0].SourceID != "other" || occurrences[2].SourceRefs[0].StartUnitID != 999 {
-		t.Fatalf("canonical sort = %#v", events)
+		t.Fatalf("canonical sort = %#v", occurrences)
 	}
 }
@@ -150,28 +150,31 @@ func testOrder() shared.SourceRefOrder {
 	return shared.NewSourceRefOrder(&source.SourceDocument{ID: "session", Units: []source.SourceUnit{{ID: 10}, {ID: 20}, {ID: 30}}})
 }
-func withName(event dnd.ItemOccurrence, value string) dnd.ItemOccurrence {
+func withName(occurrence dnd.ItemOccurrence, value string) dnd.ItemOccurrence {
-	event.Name = value
+	occurrence.Name = value
-	return event
+	return occurrence
 }
-func withKind(event dnd.ItemOccurrence, value dnd.ItemOccurrenceKind) dnd.ItemOccurrence {
+func withKind(occurrence dnd.ItemOccurrence, value dnd.ItemOccurrenceKind) dnd.ItemOccurrence {
-	event.Kind = value
+	occurrence.Kind = value
-	return event
+	return occurrence
 }
-func withFrom(event dnd.ItemOccurrence, value string) dnd.ItemOccurrence {
+func withFrom(occurrence dnd.ItemOccurrence, value string) dnd.ItemOccurrence {
-	event.From = value
+	occurrence.From = value
-	return event
+	return occurrence
 }
-func withTo(event dnd.ItemOccurrence, value string) dnd.ItemOccurrence {
+func withTo(occurrence dnd.ItemOccurrence, value string) dnd.ItemOccurrence {
-	event.To = value
+	occurrence.To = value
-	return event
+	return occurrence
 }
-func withoutTo(event dnd.ItemOccurrence) dnd.ItemOccurrence { event.To = ""; return event }
+func withoutTo(occurrence dnd.ItemOccurrence) dnd.ItemOccurrence {
-func withQuantity(event dnd.ItemOccurrence, value *int) dnd.ItemOccurrence {
+	occurrence.To = ""
-	event.Quantity = value
+	return occurrence
 	return event
 }
-func withRefs(event dnd.ItemOccurrence, value []source.SourceRef) dnd.ItemOccurrence {
+func withQuantity(occurrence dnd.ItemOccurrence, value *int) dnd.ItemOccurrence {
-	event.SourceRefs = value
+	occurrence.Quantity = value
-	return event
+	return occurrence
 }
 func withRefs(occurrence dnd.ItemOccurrence, value []source.SourceRef) dnd.ItemOccurrence {
 	occurrence.SourceRefs = value
 	return occurrence
 }
--- a/internal/modules/dnd/normalize/itemoccurrences/normalizer.go
+++ b/internal/modules/dnd/normalize/itemoccurrences/normalizer.go
@@ -1,5 +1,5 @@
-// Package itemevents normalizes merged D&D item-event candidates.
+// Package itemoccurrences normalizes merged D&D item-occurrence candidates.
-package itemevents
+package itemoccurrences
 import (
 	"context"
@@ -10,15 +10,15 @@ import (
 	"gitea.maximumdirect.net/eric/notarius/internal/framework/contracts"
 	"gitea.maximumdirect.net/eric/notarius/internal/framework/pipeline"
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
-	itemeventmodel "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/itemevents"
+	itemoccurrencemodel "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/itemoccurrences"
 	itemregistry "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/items/registry"
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/shared"
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/shared/diagnostics"
 )
 const (
-	Key                 = "dnd/item-events"
+	Key                 = "dnd/item-occurrences"
-	normalizationPolicy = "dnd.item_events.normalize.v1"
+	normalizationPolicy = "dnd.item_occurrences.normalize.v1"
 	NormalizationPolicy = normalizationPolicy
 	ReasonCodeNameCanonicalized    = "item_occurrence_name_canonicalized"
@@ -111,7 +111,7 @@ func (n *Normalizer) Normalize(ctx context.Context, req contracts.TypedNormalize
 }
 type normalizedRecord struct {
-	event      dnd.ItemOccurrence
+	occurrence dnd.ItemOccurrence
 	inputIndex int
 }
@@ -122,44 +122,44 @@ func normalizeList(input dnd.ItemOccurrenceList, index source.DocumentIndex, ord
 	records := make([]normalizedRecord, len(input.Occurrences))
 	warnings := make([]contracts.Warning, 0)
-	for index, inputEvent := range input.Occurrences {
+	for index, inputOccurrence := range input.Occurrences {
-		event, changedFields, found, refsChanged := normalizeEvent(inputEvent, order, registry)
+		occurrence, changedFields, found, refsChanged := normalizeOccurrence(inputOccurrence, order, registry)
-		records[index] = normalizedRecord{event: event, inputIndex: index}
+		records[index] = normalizedRecord{occurrence: occurrence, inputIndex: index}
 		if len(changedFields) != 0 {
 			warnings = append(warnings, contracts.Warning{
-				Scope:      eventScope(index),
+				Scope:      occurrenceScope(index),
 				ReasonCode: ReasonCodeNameCanonicalized,
 				Message: fmt.Sprintf("input index %d: normalized display whitespace in %s", index,
 					diagnostics.Aggregate("fields", changedFields)),
 			})
 		}
-		if found && inputEvent.Name != event.Name {
+		if found && inputOccurrence.Name != occurrence.Name {
-			warnings = append(warnings, contracts.Warning{Scope: eventScope(index), ReasonCode: ReasonCodeNameCanonicalized,
+			warnings = append(warnings, contracts.Warning{Scope: occurrenceScope(index), ReasonCode: ReasonCodeNameCanonicalized,
-				Message: fmt.Sprintf("input index %d: item name canonicalized from %s to %s", index, diagnostics.Quote(inputEvent.Name), diagnostics.Quote(event.Name))})
+				Message: fmt.Sprintf("input index %d: item name canonicalized from %s to %s", index, diagnostics.Quote(inputOccurrence.Name), diagnostics.Quote(occurrence.Name))})
 		}
 		if !found {
-			warnings = append(warnings, contracts.Warning{Scope: eventScope(index), ReasonCode: ReasonCodeUnknownItemID,
+			warnings = append(warnings, contracts.Warning{Scope: occurrenceScope(index), ReasonCode: ReasonCodeUnknownItemID,
-				Message: fmt.Sprintf("input index %d: item ID %s is not in the supplied registry", index, diagnostics.Quote(inputEvent.ItemID))})
+				Message: fmt.Sprintf("input index %d: item ID %s is not in the supplied registry", index, diagnostics.Quote(inputOccurrence.ItemID))})
 		}
 		if refsChanged {
 			warnings = append(warnings, contracts.Warning{
-				Scope:      eventScope(index),
+				Scope:      occurrenceScope(index),
 				ReasonCode: ReasonCodeSourceRefsNormalized,
 				Message: fmt.Sprintf("input index %d: source references normalized (original count %d, final count %d)",
-					index, len(inputEvent.SourceRefs), len(event.SourceRefs)),
+					index, len(inputOccurrence.SourceRefs), len(occurrence.SourceRefs)),
 			})
 		}
 	}
 	sort.SliceStable(records, func(left, right int) bool {
-		return itemeventmodel.Less(order, records[left].event, records[right].event)
+		return itemoccurrencemodel.Less(order, records[left].occurrence, records[right].occurrence)
 	})
 	for position, record := range records {
 		if position == record.inputIndex {
 			continue
 		}
 		warnings = append(warnings, contracts.Warning{
-			Scope:      eventScope(record.inputIndex),
+			Scope:      occurrenceScope(record.inputIndex),
 			ReasonCode: ReasonCodeOccurrencesReordered,
 			Message:    fmt.Sprintf("input index %d moved to normalized position %d", record.inputIndex, position),
 		})
@@ -170,8 +170,8 @@ func normalizeList(input dnd.ItemOccurrenceList, index source.DocumentIndex, ord
 	return dnd.ItemOccurrenceList{Occurrences: output}, diagnostics.LimitWarnings(warnings, "item_occurrences", ReasonCodeWarningsOmitted)
 }
-func normalizeEvent(input dnd.ItemOccurrence, order shared.SourceRefOrder, registry *itemregistry.Registry) (dnd.ItemOccurrence, []string, bool, bool) {
+func normalizeOccurrence(input dnd.ItemOccurrence, order shared.SourceRefOrder, registry *itemregistry.Registry) (dnd.ItemOccurrence, []string, bool, bool) {
-	output := cloneEvent(input)
+	output := cloneOccurrence(input)
 	canonical, found := registry.LookupID(input.ItemID)
 	if found {
 		output.Name = canonical.Name
@@ -184,17 +184,17 @@ func normalizeEvent(input dnd.ItemOccurrence, order shared.SourceRefOrder, regis
 		{name: "from", value: &output.From},
 		{name: "to", value: &output.To},
 	} {
-		trimmed := itemeventmodel.DisplayValue(*field.value)
+		trimmed := itemoccurrencemodel.DisplayValue(*field.value)
 		if *field.value != trimmed {
 			*field.value = trimmed
 			changedFields = append(changedFields, field.name)
 		}
 	}
 	output.SourceRefs = order.Canonicalize(input.SourceRefs)
-	return output, changedFields, found, !itemeventmodel.SourceRefsEqual(input.SourceRefs, output.SourceRefs)
+	return output, changedFields, found, !itemoccurrencemodel.SourceRefsEqual(input.SourceRefs, output.SourceRefs)
 }
-func cloneEvent(input dnd.ItemOccurrence) dnd.ItemOccurrence {
+func cloneOccurrence(input dnd.ItemOccurrence) dnd.ItemOccurrence {
 	output := input
 	if input.Quantity != nil {
 		quantity := *input.Quantity
@@ -220,11 +220,11 @@ func collapseDuplicates(records []normalizedRecord, index source.DocumentIndex,
 	groups := make([]duplicateGroup, 0)
 	groupByKey := make(map[string]int)
 	for recordIndex, record := range records {
-		if !itemeventmodel.ValidSourceRefs(index, record.event.SourceRefs) {
+		if !itemoccurrencemodel.ValidSourceRefs(index, record.occurrence.SourceRefs) {
 			keep[recordIndex] = true
 			continue
 		}
-		key := itemeventmodel.ExactIdentity(order, record.event)
+		key := itemoccurrencemodel.ExactIdentity(order, record.occurrence)
 		groupIndex, exists := groupByKey[key]
 		if !exists {
 			groupByKey[key] = len(groups)
@@ -238,7 +238,7 @@ func collapseDuplicates(records []normalizedRecord, index source.DocumentIndex,
 	output := make([]dnd.ItemOccurrence, 0, len(records))
 	for recordIndex, record := range records {
 		if keep[recordIndex] {
-			output = append(output, cloneEvent(record.event))
+			output = append(output, cloneOccurrence(record.occurrence))
 		}
 	}
 	warnings := make([]contracts.Warning, 0)
@@ -256,14 +256,14 @@ func duplicateWarning(retainedIndex int, removed []int) contracts.Warning {
 		issues[index] = fmt.Sprintf("removed input index %d", removedIndex)
 	}
 	return contracts.Warning{
-		Scope:      eventScope(retainedIndex),
+		Scope:      occurrenceScope(retainedIndex),
 		ReasonCode: ReasonCodeDuplicateCollapsed,
 		Message: diagnostics.Aggregate(
 			fmt.Sprintf("duplicate item occurrence collapsed; retained input index %d", retainedIndex), issues),
 	}
 }
-func eventScope(index int) string { return fmt.Sprintf("occurrences[%d]", index) }
+func occurrenceScope(index int) string { return fmt.Sprintf("occurrences[%d]", index) }
 func ModuleSpec() pipeline.ModuleSpec {
 	return pipeline.ModuleSpec{
--- a/internal/modules/dnd/normalize/itemoccurrences/normalizer_test.go
+++ b/internal/modules/dnd/normalize/itemoccurrences/normalizer_test.go
@@ -1,4 +1,4 @@
-package itemevents
+package itemoccurrences
 import (
 	"context"
--- a/internal/modules/dnd/register/chains.go
+++ b/internal/modules/dnd/register/chains.go
@@ -4,7 +4,7 @@ import (
 	"gitea.maximumdirect.net/eric/notarius/internal/framework/pipeline"
 	combatextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/combatturns"
 	enemyeventextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/enemyevents"
-	itemeventextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/itemevents"
+	itemoccurrenceextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/itemoccurrences"
 	itemregistryextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/itemregistry"
 	locationoccurrenceextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/locationoccurrences"
 	locationextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/locationregistry"
@@ -14,7 +14,7 @@ import (
 	spellextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/spells"
 	combatnormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/combatturns"
 	enemyeventnormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/enemyevents"
-	itemeventnormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/itemevents"
+	itemoccurrencenormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/itemoccurrences"
 	itemregistrynormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/itemregistry"
 	locationoccurrencenormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/locationoccurrences"
 	locationnormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/locationregistry"
@@ -31,11 +31,11 @@ import (
 	enemyeventshape "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/enemyevents/shape"
 	enemyeventrefs "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/enemyevents/source_refs"
 	enemyeventrelatedness "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/enemyevents/source_relatedness"
-	itemeventinvariants "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemevents/invariants"
+	itemoccurrenceinvariants "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemoccurrences/invariants"
-	itemeventregistry "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemevents/registry"
+	itemoccurrenceregistry "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemoccurrences/registry"
-	itemeventshape "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemevents/shape"
+	itemoccurrenceshape "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemoccurrences/shape"
-	itemeventrefs "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemevents/source_refs"
+	itemoccurrencerefs "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemoccurrences/source_refs"
-	itemeventrelatedness "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemevents/source_relatedness"
+	itemoccurrencerelatedness "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemoccurrences/source_relatedness"
 	itemidentity "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemregistry/identity"
 	itemshape "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemregistry/shape"
 	itemrefs "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemregistry/source_refs"
@@ -185,29 +185,29 @@ func registerDefaultChains(registry *pipeline.ValidatorChainRegistry) error {
 		{name: "item occurrences validator chain", register: func() error {
 			return registry.Register(pipeline.ValidatorChainMapping{
 				Stage:  pipeline.StageExtract,
-				Module: itemeventextract.Key,
+				Module: itemoccurrenceextract.Key,
 				Validators: []pipeline.ModuleBinding{
 					pipeline.Binding(validjson.Key),
-					pipeline.Binding(itemeventshape.Key),
+					pipeline.Binding(itemoccurrenceshape.Key),
-					pipeline.Binding(itemeventregistry.Key),
+					pipeline.Binding(itemoccurrenceregistry.Key),
-					pipeline.Binding(itemeventrefs.Key),
+					pipeline.Binding(itemoccurrencerefs.Key),
 					pipeline.Binding(validjsonschema.Key),
-					pipeline.Binding(itemeventrelatedness.Key),
+					pipeline.Binding(itemoccurrencerelatedness.Key),
 				},
 			})
 		}},
 		{name: "item occurrences normalize validator chain", register: func() error {
 			return registry.Register(pipeline.ValidatorChainMapping{
 				Stage:  pipeline.StageNormalize,
-				Module: itemeventnormalize.Key,
+				Module: itemoccurrencenormalize.Key,
 				Validators: []pipeline.ModuleBinding{
 					pipeline.Binding(validjson.Key),
-					pipeline.Binding(itemeventshape.Key),
+					pipeline.Binding(itemoccurrenceshape.Key),
-					pipeline.Binding(itemeventregistry.Key),
+					pipeline.Binding(itemoccurrenceregistry.Key),
-					pipeline.Binding(itemeventinvariants.Key),
+					pipeline.Binding(itemoccurrenceinvariants.Key),
-					pipeline.Binding(itemeventrefs.Key),
+					pipeline.Binding(itemoccurrencerefs.Key),
 					pipeline.Binding(validjsonschema.Key),
-					pipeline.Binding(itemeventrelatedness.Key),
+					pipeline.Binding(itemoccurrencerelatedness.Key),
 				},
 			})
 		}},
--- a/internal/modules/dnd/register/modules.go
+++ b/internal/modules/dnd/register/modules.go
@@ -7,7 +7,7 @@ import (
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/chunk/scenes"
 	combatcodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/combatturns"
 	enemyeventcodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/enemyevents"
-	itemeventcodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/itemevents"
+	itemoccurrencecodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/itemoccurrences"
 	itemregistrycodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/itemregistry"
 	locationoccurrencecodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/locationoccurrences"
 	locationcodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/locationregistry"
@@ -17,7 +17,7 @@ import (
 	spellcodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/spells"
 	combatextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/combatturns"
 	enemyeventextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/enemyevents"
-	itemeventextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/itemevents"
+	itemoccurrenceextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/itemoccurrences"
 	itemregistryextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/itemregistry"
 	locationoccurrenceextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/locationoccurrences"
 	locationextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/locationregistry"
@@ -27,7 +27,7 @@ import (
 	spellextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/spells"
 	combatnormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/combatturns"
 	enemyeventnormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/enemyevents"
-	itemeventnormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/itemevents"
+	itemoccurrencenormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/itemoccurrences"
 	itemregistrynormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/itemregistry"
 	locationoccurrencenormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/locationoccurrences"
 	locationnormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/locationregistry"
@@ -47,7 +47,9 @@ func registerModules(registries pipeline.Registries) error {
 		{name: "npc registry codec", register: func() error { return pipeline.RegisterArtifactCodec(registries.ArtifactCodecs, npccodec.New()) }},
 		{name: "combat turns codec", register: func() error { return pipeline.RegisterArtifactCodec(registries.ArtifactCodecs, combatcodec.New()) }},
 		{name: "enemy events codec", register: func() error { return pipeline.RegisterArtifactCodec(registries.ArtifactCodecs, enemyeventcodec.New()) }},
-		{name: "item occurrences codec", register: func() error { return pipeline.RegisterArtifactCodec(registries.ArtifactCodecs, itemeventcodec.New()) }},
+		{name: "item occurrences codec", register: func() error {
 			return pipeline.RegisterArtifactCodec(registries.ArtifactCodecs, itemoccurrencecodec.New())
 		}},
 		{name: "item registry codec", register: func() error {
 			return pipeline.RegisterArtifactCodec(registries.ArtifactCodecs, itemregistrycodec.New())
 		}},
@@ -64,7 +66,7 @@ func registerModules(registries pipeline.Registries) error {
 		{name: "npc registry extractor", register: func() error { return npcextract.Register(registries.Extractors) }},
 		{name: "combat turns extractor", register: func() error { return combatextract.Register(registries.Extractors) }},
 		{name: "enemy events extractor", register: func() error { return enemyeventextract.Register(registries.Extractors) }},
-		{name: "item occurrences extractor", register: func() error { return itemeventextract.Register(registries.Extractors) }},
+		{name: "item occurrences extractor", register: func() error { return itemoccurrenceextract.Register(registries.Extractors) }},
 		{name: "item registry extractor", register: func() error { return itemregistryextract.Register(registries.Extractors) }},
 		{name: "npc occurrences extractor", register: func() error { return occurrenceextract.Register(registries.Extractors) }},
 		{name: "scene descriptions extractor", register: func() error { return scenedescriptionextract.Register(registries.Extractors) }},
@@ -104,7 +106,7 @@ func registerModules(registries pipeline.Registries) error {
 		{name: "npc registry normalizer", register: func() error { return npcnormalize.Register(registries.Normalizers) }},
 		{name: "combat turns normalizer", register: func() error { return combatnormalize.Register(registries.Normalizers) }},
 		{name: "enemy events normalizer", register: func() error { return enemyeventnormalize.Register(registries.Normalizers) }},
-		{name: "item occurrences normalizer", register: func() error { return itemeventnormalize.Register(registries.Normalizers) }},
+		{name: "item occurrences normalizer", register: func() error { return itemoccurrencenormalize.Register(registries.Normalizers) }},
 		{name: "item registry normalizer", register: func() error { return itemregistrynormalize.Register(registries.Normalizers) }},
 		{name: "npc occurrences normalizer", register: func() error { return occurrencenormalize.Register(registries.Normalizers) }},
 		{name: "scene descriptions normalizer", register: func() error { return scenedescriptionnormalize.Register(registries.Normalizers) }},
@@ -152,7 +154,7 @@ func registerPromptAssets(assets *llm.AssetRegistry) error {
 		{name: "npc normalization prompt assets", register: func() error { return npcnormalize.RegisterPromptAssets(assets) }},
 		{name: "combat turns prompt assets", register: func() error { return combatextract.RegisterPromptAssets(assets) }},
 		{name: "enemy events prompt assets", register: func() error { return enemyeventextract.RegisterPromptAssets(assets) }},
-		{name: "item occurrences prompt assets", register: func() error { return itemeventextract.RegisterPromptAssets(assets) }},
+		{name: "item occurrences prompt assets", register: func() error { return itemoccurrenceextract.RegisterPromptAssets(assets) }},
 		{name: "item registry prompt assets", register: func() error { return itemregistryextract.RegisterPromptAssets(assets) }},
 		{name: "item registry normalization prompt assets", register: func() error { return itemregistrynormalize.RegisterPromptAssets(assets) }},
 		{name: "npc occurrences prompt assets", register: func() error { return occurrenceextract.RegisterPromptAssets(assets) }},
--- a/internal/modules/dnd/register/prompt_cache_test.go
+++ b/internal/modules/dnd/register/prompt_cache_test.go
@@ -10,7 +10,7 @@ import (
 	"gitea.maximumdirect.net/eric/notarius/internal/framework/llm"
 	combatextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/combatturns"
 	enemyeventextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/enemyevents"
-	itemeventextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/itemevents"
+	itemoccurrenceextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/itemoccurrences"
 	itemregistryextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/itemregistry"
 	locationoccurrenceextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/locationoccurrences"
 	locationextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/locationregistry"
@@ -51,7 +51,7 @@ func TestExtractionPromptComposition(t *testing.T) {
 	}{
 		{name: "npcs", promptID: npcextract.PromptID, promptVersion: npcextract.SchemaVersion, inputs: commonInputs, suffixGroups: [][]string{{evidenceSentinel}}},
 		{name: "locations", promptID: locationextract.PromptID, promptVersion: locationextract.SchemaVersion, inputs: commonInputs, suffixGroups: [][]string{{evidenceSentinel}}},
-		{name: "item occurrences", promptID: itemeventextract.PromptID, promptVersion: itemeventextract.SchemaVersion, inputs: withPromptInputs(commonInputs, map[string]promptkit.ArtifactRef{
+		{name: "item occurrences", promptID: itemoccurrenceextract.PromptID, promptVersion: itemoccurrenceextract.SchemaVersion, inputs: withPromptInputs(commonInputs, map[string]promptkit.ArtifactRef{
 			"item_registry": promptkit.Inline(`{"items":[{"id":"item-registry-sentinel","name":"Torch"}]}`),
 		}), suffixGroups: [][]string{{evidenceSentinel}, {"item-registry-sentinel"}}},
 		{name: "item registry", promptID: itemregistryextract.PromptID, promptVersion: itemregistryextract.SchemaVersion, inputs: commonInputs, suffixGroups: [][]string{{evidenceSentinel}}},
--- a/internal/modules/dnd/register/register_test.go
+++ b/internal/modules/dnd/register/register_test.go
@@ -14,7 +14,7 @@ import (
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
 	combatextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/combatturns"
 	enemyeventextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/enemyevents"
-	itemeventextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/itemevents"
+	itemoccurrenceextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/itemoccurrences"
 	itemregistryextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/itemregistry"
 	locationoccurrenceextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/locationoccurrences"
 	locationextract "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/locationregistry"
@@ -24,7 +24,7 @@ import (
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/extract/spells"
 	combatnormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/combatturns"
 	enemyeventnormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/enemyevents"
-	itemeventnormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/itemevents"
+	itemoccurrencenormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/itemoccurrences"
 	itemregistrynormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/itemregistry"
 	locationoccurrencenormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/locationoccurrences"
 	locationnormalize "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/normalize/locationregistry"
@@ -53,7 +53,7 @@ func TestRegisterAddsDNDFamily(t *testing.T) {
 		"dnd.npc_registry/prompt.yaml",
 		"dnd.combat_turns/prompt.yaml",
 		"dnd.enemy_events/prompt.yaml",
-		"dnd.item_events/prompt.yaml",
+		"dnd.item_occurrences/prompt.yaml",
 		"dnd.item_registry/prompt.yaml",
 		"dnd.item_registry.normalize/prompt.yaml",
 		"dnd.npc_occurrences/prompt.yaml",
@@ -86,8 +86,8 @@ func TestRegisterAddsDNDFamily(t *testing.T) {
 		t.Fatalf("entity reconciliation schema asset = %v, want registered shared schema", err)
 	}
 	assertContainsKeys(t, "chunkers", registries.Chunkers.RegisteredKeys(), []string{"dnd/scenes"})
-	assertContainsKeys(t, "extractors", registries.Extractors.RegisteredKeys(), []string{"dnd/spells", npcextract.Key, combatextract.Key, enemyeventextract.Key, itemeventextract.Key, itemregistryextract.Key, occurrenceextract.Key, scenedescriptionextract.Key, locationextract.Key, locationoccurrenceextract.Key})
+	assertContainsKeys(t, "extractors", registries.Extractors.RegisteredKeys(), []string{"dnd/spells", npcextract.Key, combatextract.Key, enemyeventextract.Key, itemoccurrenceextract.Key, itemregistryextract.Key, occurrenceextract.Key, scenedescriptionextract.Key, locationextract.Key, locationoccurrenceextract.Key})
-	assertContainsKeys(t, "normalizers", registries.Normalizers.RegisteredKeys(), []string{spellnormalize.Key, npcnormalize.Key, combatnormalize.Key, enemyeventnormalize.Key, itemeventnormalize.Key, itemregistrynormalize.Key, occurrencenormalize.Key, scenedescriptionnormalize.Key, locationnormalize.Key, locationoccurrencenormalize.Key, pipeline.DefaultNormalizeModule})
+	assertContainsKeys(t, "normalizers", registries.Normalizers.RegisteredKeys(), []string{spellnormalize.Key, npcnormalize.Key, combatnormalize.Key, enemyeventnormalize.Key, itemoccurrencenormalize.Key, itemregistrynormalize.Key, occurrencenormalize.Key, scenedescriptionnormalize.Key, locationnormalize.Key, locationoccurrencenormalize.Key, pipeline.DefaultNormalizeModule})
 	assertContainsArtifactKinds(t, registries.ArtifactCodecs.RegisteredKinds(), []contracts.ArtifactKind{dnd.SpellListKind, dnd.NPCRegistryKind, dnd.CombatTurnListKind, dnd.EnemyEventListKind, dnd.ItemOccurrenceListKind, dnd.ItemRegistryKind, dnd.NPCOccurrenceListKind, dnd.SceneDescriptionListKind, dnd.LocationRegistryKind, dnd.LocationOccurrenceListKind})
 	assertContainsArtifactKinds(t, registries.ArtifactEvidence.RegisteredKinds(), []contracts.ArtifactKind{dnd.SpellListKind, dnd.NPCRegistryKind, dnd.CombatTurnListKind, dnd.EnemyEventListKind, dnd.ItemOccurrenceListKind, dnd.ItemRegistryKind, dnd.NPCOccurrenceListKind, dnd.SceneDescriptionListKind, dnd.LocationRegistryKind, dnd.LocationOccurrenceListKind})
 	assertContainsArtifactKinds(t, registries.Mergers.RegisteredArtifactKinds(pipeline.DefaultMergeModule), []contracts.ArtifactKind{dnd.SpellListKind, dnd.NPCRegistryKind, dnd.CombatTurnListKind, dnd.EnemyEventListKind, dnd.ItemOccurrenceListKind, dnd.ItemRegistryKind, dnd.NPCOccurrenceListKind, dnd.SceneDescriptionListKind, dnd.LocationRegistryKind, dnd.LocationOccurrenceListKind})
@@ -95,7 +95,7 @@ func TestRegisterAddsDNDFamily(t *testing.T) {
 	assertContainsArtifactKinds(t, registries.Normalizers.RegisteredArtifactKinds(npcnormalize.Key), []contracts.ArtifactKind{dnd.NPCRegistryKind})
 	assertContainsArtifactKinds(t, registries.Normalizers.RegisteredArtifactKinds(combatnormalize.Key), []contracts.ArtifactKind{dnd.CombatTurnListKind})
 	assertContainsArtifactKinds(t, registries.Normalizers.RegisteredArtifactKinds(enemyeventnormalize.Key), []contracts.ArtifactKind{dnd.EnemyEventListKind})
-	assertContainsArtifactKinds(t, registries.Normalizers.RegisteredArtifactKinds(itemeventnormalize.Key), []contracts.ArtifactKind{dnd.ItemOccurrenceListKind})
+	assertContainsArtifactKinds(t, registries.Normalizers.RegisteredArtifactKinds(itemoccurrencenormalize.Key), []contracts.ArtifactKind{dnd.ItemOccurrenceListKind})
 	assertContainsArtifactKinds(t, registries.Normalizers.RegisteredArtifactKinds(itemregistrynormalize.Key), []contracts.ArtifactKind{dnd.ItemRegistryKind})
 	assertContainsArtifactKinds(t, registries.Normalizers.RegisteredArtifactKinds(occurrencenormalize.Key), []contracts.ArtifactKind{dnd.NPCOccurrenceListKind})
 	assertContainsArtifactKinds(t, registries.Normalizers.RegisteredArtifactKinds(scenedescriptionnormalize.Key), []contracts.ArtifactKind{dnd.SceneDescriptionListKind})
@@ -119,10 +119,10 @@ func TestRegisterAddsDNDFamily(t *testing.T) {
 		"extract/dnd/enemy-events/source_refs",
 		"extract/dnd/enemy-events/source_relatedness",
 		"normalize/dnd/enemy-events/invariants",
-		"extract/dnd/item-events/shape",
+		"extract/dnd/item-occurrences/shape",
-		"extract/dnd/item-events/source_refs",
+		"extract/dnd/item-occurrences/source_refs",
-		"extract/dnd/item-events/source_relatedness",
+		"extract/dnd/item-occurrences/source_relatedness",
-		"normalize/dnd/item-events/invariants",
+		"normalize/dnd/item-occurrences/invariants",
 		"extract/dnd/item-registry/shape", "normalize/dnd/item-registry/identity", "extract/dnd/item-registry/source_refs", "extract/dnd/item-registry/source_relatedness",
 		"extract/dnd/npc-occurrences/shape",
 		"extract/dnd/npc-occurrences/registry",
@@ -232,25 +232,25 @@ func TestRegisterAddsDNDFamily(t *testing.T) {
 	}
 	itemOccurrenceExtractChain := []pipeline.ModuleBinding{
 		pipeline.Binding("generic/valid_json"),
-		pipeline.Binding("extract/dnd/item-events/shape"),
+		pipeline.Binding("extract/dnd/item-occurrences/shape"),
-		pipeline.Binding("extract/dnd/item-events/registry"),
+		pipeline.Binding("extract/dnd/item-occurrences/registry"),
-		pipeline.Binding("extract/dnd/item-events/source_refs"),
+		pipeline.Binding("extract/dnd/item-occurrences/source_refs"),
 		pipeline.Binding("generic/valid_json_schema"),
-		pipeline.Binding("extract/dnd/item-events/source_relatedness"),
+		pipeline.Binding("extract/dnd/item-occurrences/source_relatedness"),
 	}
 	itemOccurrenceNormalizeChain := []pipeline.ModuleBinding{
 		pipeline.Binding("generic/valid_json"),
-		pipeline.Binding("extract/dnd/item-events/shape"),
+		pipeline.Binding("extract/dnd/item-occurrences/shape"),
-		pipeline.Binding("extract/dnd/item-events/registry"),
+		pipeline.Binding("extract/dnd/item-occurrences/registry"),
-		pipeline.Binding("normalize/dnd/item-events/invariants"),
+		pipeline.Binding("normalize/dnd/item-occurrences/invariants"),
-		pipeline.Binding("extract/dnd/item-events/source_refs"),
+		pipeline.Binding("extract/dnd/item-occurrences/source_refs"),
 		pipeline.Binding("generic/valid_json_schema"),
-		pipeline.Binding("extract/dnd/item-events/source_relatedness"),
+		pipeline.Binding("extract/dnd/item-occurrences/source_relatedness"),
 	}
-	if got := registries.ValidatorChains.Validators(pipeline.StageExtract, itemeventextract.Key); !reflect.DeepEqual(got, itemOccurrenceExtractChain) {
+	if got := registries.ValidatorChains.Validators(pipeline.StageExtract, itemoccurrenceextract.Key); !reflect.DeepEqual(got, itemOccurrenceExtractChain) {
 		t.Fatalf("item occurrence extract validator chain = %#v, want %#v", got, itemOccurrenceExtractChain)
 	}
-	if got := registries.ValidatorChains.Validators(pipeline.StageNormalize, itemeventnormalize.Key); !reflect.DeepEqual(got, itemOccurrenceNormalizeChain) {
+	if got := registries.ValidatorChains.Validators(pipeline.StageNormalize, itemoccurrencenormalize.Key); !reflect.DeepEqual(got, itemOccurrenceNormalizeChain) {
 		t.Fatalf("item occurrence normalize validator chain = %#v, want %#v", got, itemOccurrenceNormalizeChain)
 	}
 	itemRegistryExtractChain := []pipeline.ModuleBinding{
@@ -370,8 +370,8 @@ func TestRegisterAddsDNDFamily(t *testing.T) {
 	if !npcRegistrySlot.Required || !enemyNormalizeRegistrySlot.Required || npcRegistrySlot.MaxBytes != enemyNormalizeRegistrySlot.MaxBytes || !reflect.DeepEqual(npcRegistrySlot.AcceptedMediaTypes, enemyNormalizeRegistrySlot.AcceptedMediaTypes) || !reflect.DeepEqual(npcRegistrySlot.AcceptedArtifactKinds, enemyNormalizeRegistrySlot.AcceptedArtifactKinds) {
 		t.Fatalf("enemy-event NPC registry slots disagree: %#v / %#v", enemyEventExtractSpec.ReferenceSlots, enemyEventNormalizeSpec.ReferenceSlots)
 	}
-	itemOccurrenceExtractSpec, itemOccurrenceExtractOK := registries.Extractors.Spec(itemeventextract.Key)
+	itemOccurrenceExtractSpec, itemOccurrenceExtractOK := registries.Extractors.Spec(itemoccurrenceextract.Key)
-	itemOccurrenceNormalizeSpec, itemOccurrenceNormalizeOK := registries.Normalizers.Spec(itemeventnormalize.Key)
+	itemOccurrenceNormalizeSpec, itemOccurrenceNormalizeOK := registries.Normalizers.Spec(itemoccurrencenormalize.Key)
 	if !itemOccurrenceExtractOK || itemOccurrenceExtractSpec.ArtifactKind != dnd.ItemOccurrenceListKind || !itemOccurrenceNormalizeOK || itemOccurrenceNormalizeSpec.ArtifactKind != dnd.ItemOccurrenceListKind || itemOccurrenceNormalizeSpec.Stage != pipeline.StageNormalize {
 		t.Fatalf("item occurrence specs = %#v / %#v, present = %t / %t", itemOccurrenceExtractSpec, itemOccurrenceNormalizeSpec, itemOccurrenceExtractOK, itemOccurrenceNormalizeOK)
 	}
--- a/internal/modules/dnd/register/validators.go
+++ b/internal/modules/dnd/register/validators.go
@@ -12,11 +12,11 @@ import (
 	enemyeventshape "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/enemyevents/shape"
 	enemyeventrefs "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/enemyevents/source_refs"
 	enemyeventrelatedness "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/enemyevents/source_relatedness"
-	itemeventinvariants "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemevents/invariants"
+	itemoccurrenceinvariants "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemoccurrences/invariants"
-	itemeventregistry "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemevents/registry"
+	itemoccurrenceregistry "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemoccurrences/registry"
-	itemeventshape "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemevents/shape"
+	itemoccurrenceshape "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemoccurrences/shape"
-	itemeventrefs "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemevents/source_refs"
+	itemoccurrencerefs "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemoccurrences/source_refs"
-	itemeventrelatedness "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemevents/source_relatedness"
+	itemoccurrencerelatedness "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemoccurrences/source_relatedness"
 	itemidentity "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemregistry/identity"
 	itemshape "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemregistry/shape"
 	itemrefs "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemregistry/source_refs"
@@ -70,11 +70,11 @@ func registerValidators(registries pipeline.Registries) error {
 		{name: "enemy event source references validator", register: func() error { return enemyeventrefs.Register(registries.Validators) }},
 		{name: "enemy event source relatedness validator", register: func() error { return enemyeventrelatedness.Register(registries.Validators) }},
 		{name: "enemy event normalized invariants validator", register: func() error { return enemyeventinvariants.Register(registries.Validators) }},
-		{name: "item occurrence shape validator", register: func() error { return itemeventshape.Register(registries.Validators) }},
+		{name: "item occurrence shape validator", register: func() error { return itemoccurrenceshape.Register(registries.Validators) }},
-		{name: "item occurrence registry validator", register: func() error { return itemeventregistry.Register(registries.Validators) }},
+		{name: "item occurrence registry validator", register: func() error { return itemoccurrenceregistry.Register(registries.Validators) }},
-		{name: "item occurrence source references validator", register: func() error { return itemeventrefs.Register(registries.Validators) }},
+		{name: "item occurrence source references validator", register: func() error { return itemoccurrencerefs.Register(registries.Validators) }},
-		{name: "item occurrence source relatedness validator", register: func() error { return itemeventrelatedness.Register(registries.Validators) }},
+		{name: "item occurrence source relatedness validator", register: func() error { return itemoccurrencerelatedness.Register(registries.Validators) }},
-		{name: "item occurrence normalized invariants validator", register: func() error { return itemeventinvariants.Register(registries.Validators) }},
+		{name: "item occurrence normalized invariants validator", register: func() error { return itemoccurrenceinvariants.Register(registries.Validators) }},
 		{name: "item shape validator", register: func() error { return itemshape.Register(registries.Validators) }},
 		{name: "item identity validator", register: func() error { return itemidentity.Register(registries.Validators) }},
 		{name: "item source references validator", register: func() error { return itemrefs.Register(registries.Validators) }},
--- a/internal/modules/dnd/validate/itemoccurrences/invariants/validator.go
+++ b/internal/modules/dnd/validate/itemoccurrences/invariants/validator.go
@@ -1,4 +1,4 @@
-// Package invariants validates normalized D&D item-event artifacts.
+// Package invariants validates normalized D&D item-occurrence artifacts.
 package invariants
 import (
@@ -9,16 +9,16 @@ import (
 	"gitea.maximumdirect.net/eric/notarius/internal/framework/contracts"
 	"gitea.maximumdirect.net/eric/notarius/internal/framework/pipeline"
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
-	itemeventmodel "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/itemevents"
+	itemoccurrencemodel "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/itemoccurrences"
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/shared"
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/shared/diagnostics"
-	itemeventshape "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemevents/shape"
+	itemoccurrenceshape "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemoccurrences/shape"
 )
 const (
-	Key        = "normalize/dnd/item-events/invariants"
+	Key        = "normalize/dnd/item-occurrences/invariants"
-	ReasonCode = "invalid_normalized_item_event_invariants"
+	ReasonCode = "invalid_normalized_item_occurrence_invariants"
-	policy     = "dnd.item_events.normalize_invariants.v1"
+	policy     = "dnd.item_occurrences.normalize_invariants.v1"
 )
 type Options struct{}
@@ -43,10 +43,10 @@ func (v *Validator) Validate(_ context.Context, req contracts.TypedValidationReq
 	return contracts.ValidationResult{Approved: true}, nil
 }
-// Validate checks only invariants introduced by item-event normalization.
+// Validate checks only invariants introduced by item-occurrence normalization.
 // Shape and source-reference failures remain owned by their earlier validators.
 func Validate(doc *source.SourceDocument, value dnd.ItemOccurrenceList) error {
-	if itemeventshape.Validate(value) != nil {
+	if itemoccurrenceshape.Validate(value) != nil {
 		return nil
 	}
 	index := source.NewDocumentIndex(doc)
@@ -63,44 +63,44 @@ func Validate(doc *source.SourceDocument, value dnd.ItemOccurrenceList) error {
 func issuesFor(order shared.SourceRefOrder, value dnd.ItemOccurrenceList) []string {
 	issues := make([]string, 0)
 	seenIdentity := make(map[string]int)
-	for eventIndex, event := range value.Occurrences {
+	for occurrenceIndex, occurrence := range value.Occurrences {
-		prefix := fmt.Sprintf("occurrences[%d]", eventIndex)
+		prefix := fmt.Sprintf("occurrences[%d]", occurrenceIndex)
-		if event.Name != itemeventmodel.DisplayValue(event.Name) {
+		if occurrence.Name != itemoccurrencemodel.DisplayValue(occurrence.Name) {
 			issues = append(issues, prefix+".name is not display-normalized")
 		}
-		if event.From != itemeventmodel.DisplayValue(event.From) {
+		if occurrence.From != itemoccurrencemodel.DisplayValue(occurrence.From) {
 			issues = append(issues, prefix+".from is not display-normalized")
 		}
-		if event.To != itemeventmodel.DisplayValue(event.To) {
+		if occurrence.To != itemoccurrencemodel.DisplayValue(occurrence.To) {
 			issues = append(issues, prefix+".to is not display-normalized")
 		}
-		for refIndex := 1; refIndex < len(event.SourceRefs); refIndex++ {
+		for refIndex := 1; refIndex < len(occurrence.SourceRefs); refIndex++ {
-			previous := event.SourceRefs[refIndex-1]
+			previous := occurrence.SourceRefs[refIndex-1]
-			current := event.SourceRefs[refIndex]
+			current := occurrence.SourceRefs[refIndex]
 			if order.Less(current, previous) {
 				issues = append(issues, fmt.Sprintf("%s.source_refs are not in canonical order at index %d", prefix, refIndex))
 			} else if current == previous {
 				issues = append(issues, fmt.Sprintf("%s.source_refs[%d] duplicates the previous reference", prefix, refIndex))
 			}
 		}
-		key := itemeventmodel.ExactIdentity(order, event)
+		key := itemoccurrencemodel.ExactIdentity(order, occurrence)
 		if previous, exists := seenIdentity[key]; exists {
 			issues = append(issues, fmt.Sprintf("%s duplicates item occurrence %d under normalized identity", prefix, previous))
 		} else {
-			seenIdentity[key] = eventIndex
+			seenIdentity[key] = occurrenceIndex
 		}
 	}
-	for eventIndex := 1; eventIndex < len(value.Occurrences); eventIndex++ {
+	for occurrenceIndex := 1; occurrenceIndex < len(value.Occurrences); occurrenceIndex++ {
-		if itemeventmodel.Less(order, value.Occurrences[eventIndex], value.Occurrences[eventIndex-1]) {
+		if itemoccurrencemodel.Less(order, value.Occurrences[occurrenceIndex], value.Occurrences[occurrenceIndex-1]) {
-			issues = append(issues, fmt.Sprintf("occurrences[%d] is out of canonical order", eventIndex))
+			issues = append(issues, fmt.Sprintf("occurrences[%d] is out of canonical order", occurrenceIndex))
 		}
 	}
 	return issues
 }
 func sourceRefsValid(index source.DocumentIndex, value dnd.ItemOccurrenceList) bool {
-	for _, event := range value.Occurrences {
+	for _, occurrence := range value.Occurrences {
-		if !itemeventmodel.ValidSourceRefs(index, event.SourceRefs) {
+		if !itemoccurrencemodel.ValidSourceRefs(index, occurrence.SourceRefs) {
 			return false
 		}
 	}
--- a/internal/modules/dnd/validate/itemoccurrences/invariants/validator_test.go
+++ b/internal/modules/dnd/validate/itemoccurrences/invariants/validator_test.go
@@ -45,7 +45,7 @@ func TestValidateRejectsOwnedNormalizedInvariants(t *testing.T) {
 		{name: "list order", mutate: func(value *dnd.ItemOccurrenceList) {
 			value.Occurrences = []dnd.ItemOccurrence{value.Occurrences[1], value.Occurrences[0]}
 		}, want: "out of canonical order"},
-		{name: "duplicate event", mutate: func(value *dnd.ItemOccurrenceList) {
+		{name: "duplicate occurrence", mutate: func(value *dnd.ItemOccurrenceList) {
 			value.Occurrences = append(value.Occurrences, value.Occurrences[0])
 		}, want: "duplicates item occurrence"},
 	}
--- a/internal/modules/dnd/validate/itemoccurrences/registry/validator.go
+++ b/internal/modules/dnd/validate/itemoccurrences/registry/validator.go
@@ -10,11 +10,11 @@ import (
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
 	itemregistry "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/items/registry"
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/shared/diagnostics"
-	occurrenceshape "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemevents/shape"
+	occurrenceshape "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemoccurrences/shape"
 )
 const (
-	Key        = "extract/dnd/item-events/registry"
+	Key        = "extract/dnd/item-occurrences/registry"
 	ReasonCode = "invalid_item_occurrence_registry"
 	policy     = "dnd.item_occurrences.validator.registry.v1"
 )
--- a/internal/modules/dnd/validate/itemoccurrences/registry/validator_test.go
+++ b/internal/modules/dnd/validate/itemoccurrences/registry/validator_test.go
--- a/internal/modules/dnd/validate/itemoccurrences/shape/validator.go
+++ b/internal/modules/dnd/validate/itemoccurrences/shape/validator.go
@@ -1,4 +1,4 @@
-// Package shape validates required D&D item-event candidate fields.
+// Package shape validates required D&D item-occurrence candidate fields.
 package shape
 import (
@@ -9,14 +9,14 @@ import (
 	"gitea.maximumdirect.net/eric/notarius/internal/framework/contracts"
 	"gitea.maximumdirect.net/eric/notarius/internal/framework/pipeline"
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
-	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/itemevents"
+	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/itemoccurrences"
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/shared/diagnostics"
 )
 const (
-	Key        = "extract/dnd/item-events/shape"
+	Key        = "extract/dnd/item-occurrences/shape"
-	ReasonCode = "invalid_item_event_shape"
+	ReasonCode = "invalid_item_occurrence_shape"
-	policy     = "dnd.item_events.shape.v1"
+	policy     = "dnd.item_occurrences.shape.v1"
 )
 type Options struct{}
@@ -41,7 +41,7 @@ func (v *Validator) Validate(_ context.Context, req contracts.TypedValidationReq
 	return contracts.ValidationResult{Approved: true}, nil
 }
-// Validate returns one bounded error for every owned item-event shape issue.
+// Validate returns one bounded error for every owned item-occurrence shape issue.
 func Validate(value dnd.ItemOccurrenceList) error {
 	issues := issuesFor(value)
 	if len(issues) == 0 {
@@ -55,23 +55,23 @@ func issuesFor(value dnd.ItemOccurrenceList) []string {
 		return []string{"occurrences must be present"}
 	}
 	issues := make([]string, 0)
-	for index, event := range value.Occurrences {
+	for index, occurrence := range value.Occurrences {
 		prefix := fmt.Sprintf("occurrences[%d]", index)
-		if strings.TrimSpace(event.ItemID) == "" {
+		if strings.TrimSpace(occurrence.ItemID) == "" {
-			issues = append(issues, prefix+".item_id must not be empty: "+diagnostics.Quote(event.ItemID))
+			issues = append(issues, prefix+".item_id must not be empty: "+diagnostics.Quote(occurrence.ItemID))
 		}
-		if strings.TrimSpace(event.Name) == "" {
+		if strings.TrimSpace(occurrence.Name) == "" {
-			issues = append(issues, prefix+".name must not be empty: "+diagnostics.Quote(event.Name))
+			issues = append(issues, prefix+".name must not be empty: "+diagnostics.Quote(occurrence.Name))
 		}
-		if !itemevents.SupportedKind(event.Kind) {
+		if !itemoccurrences.SupportedKind(occurrence.Kind) {
-			issues = append(issues, prefix+".kind is unsupported: "+diagnostics.Quote(string(event.Kind)))
+			issues = append(issues, prefix+".kind is unsupported: "+diagnostics.Quote(string(occurrence.Kind)))
-		} else if !itemevents.ValidHolderCombination(event.Kind, event.From, event.To) {
+		} else if !itemoccurrences.ValidHolderCombination(occurrence.Kind, occurrence.From, occurrence.To) {
-			issues = append(issues, prefix+".from and .to are incompatible with "+diagnostics.Quote(string(event.Kind)))
+			issues = append(issues, prefix+".from and .to are incompatible with "+diagnostics.Quote(string(occurrence.Kind)))
 		}
-		if event.Quantity != nil && *event.Quantity < 1 {
+		if occurrence.Quantity != nil && *occurrence.Quantity < 1 {
 			issues = append(issues, prefix+".quantity must be positive when present")
 		}
-		if len(event.SourceRefs) == 0 {
+		if len(occurrence.SourceRefs) == 0 {
 			issues = append(issues, prefix+".source_refs must contain at least one reference")
 		}
 	}
--- a/internal/modules/dnd/validate/itemoccurrences/shape/validator_test.go
+++ b/internal/modules/dnd/validate/itemoccurrences/shape/validator_test.go
@@ -13,7 +13,7 @@ import (
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
 )
-func TestValidatorAcceptsEveryEventRuleAndNormalizableWhitespace(t *testing.T) {
+func TestValidatorAcceptsEveryOccurrenceRuleAndNormalizableWhitespace(t *testing.T) {
 	quantity := 1
 	value := dnd.ItemOccurrenceList{Occurrences: []dnd.ItemOccurrence{{ItemID: "item", Name: "  Hidden Cache  ", Kind: dnd.ItemOccurrenceKindDiscovered, From: " ", To: " ", SourceRefs: refs(1, 1)},
 		{ItemID: "item", Name: "Gold Pieces", Kind: dnd.ItemOccurrenceKindAcquired, Quantity: &quantity, To: " party ", SourceRefs: refs(2, 2)},
@@ -40,7 +40,7 @@ func TestValidatorRejectsOwnedSemanticBoundaries(t *testing.T) {
 		value dnd.ItemOccurrenceList
 		want  string
 	}{
-		{"missing events", dnd.ItemOccurrenceList{}, "occurrences must be present"},
+		{"missing occurrences", dnd.ItemOccurrenceList{}, "occurrences must be present"},
 		{"blank name", listWith(dnd.ItemOccurrence{ItemID: "item", Name: " \t", Kind: dnd.ItemOccurrenceKindDiscovered, SourceRefs: refs(1, 1)}), "name must not be empty"},
 		{"unsupported kind", listWith(dnd.ItemOccurrence{ItemID: "item", Name: "Ring", Kind: "unknown", SourceRefs: refs(1, 1)}), "kind is unsupported"},
 		{"discovered holder", listWith(dnd.ItemOccurrence{ItemID: "item", Name: "Ring", Kind: dnd.ItemOccurrenceKindDiscovered, From: "Aria", SourceRefs: refs(1, 1)}), "incompatible"},
@@ -99,8 +99,8 @@ func validList() dnd.ItemOccurrenceList {
 	return dnd.ItemOccurrenceList{Occurrences: []dnd.ItemOccurrence{{ItemID: "item", Name: "Ring", Kind: dnd.ItemOccurrenceKindAcquired, To: "party", SourceRefs: refs(1, 1)}}}
 }
-func listWith(event dnd.ItemOccurrence) dnd.ItemOccurrenceList {
+func listWith(occurrence dnd.ItemOccurrence) dnd.ItemOccurrenceList {
-	return dnd.ItemOccurrenceList{Occurrences: []dnd.ItemOccurrence{event}}
+	return dnd.ItemOccurrenceList{Occurrences: []dnd.ItemOccurrence{occurrence}}
 }
 func refs(start, end int) []source.SourceRef {
--- a/internal/modules/dnd/validate/itemoccurrences/source_refs/validator.go
+++ b/internal/modules/dnd/validate/itemoccurrences/source_refs/validator.go
@@ -1,4 +1,4 @@
-// Package sourcerefs validates D&D item-event transcript evidence.
+// Package sourcerefs validates D&D item-occurrence transcript evidence.
 package sourcerefs
 import (
@@ -10,13 +10,13 @@ import (
 	"gitea.maximumdirect.net/eric/notarius/internal/framework/pipeline"
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/shared/diagnostics"
-	itemeventshape "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemevents/shape"
+	itemoccurrenceshape "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemoccurrences/shape"
 )
 const (
-	Key        = "extract/dnd/item-events/source_refs"
+	Key        = "extract/dnd/item-occurrences/source_refs"
-	ReasonCode = "invalid_item_event_source_references"
+	ReasonCode = "invalid_item_occurrence_source_references"
-	policy     = "dnd.item_events.source_refs.v1"
+	policy     = "dnd.item_occurrences.source_refs.v1"
 )
 type Options struct{}
@@ -38,7 +38,7 @@ func (v *Validator) Validate(_ context.Context, req contracts.TypedValidationReq
 	if req.Stage == string(pipeline.StageExtract) && req.Chunk == nil {
 		return contracts.ValidationResult{}, fmt.Errorf("item occurrence source-reference validator requires the current extraction chunk")
 	}
-	if itemeventshape.Validate(req.Value) != nil {
+	if itemoccurrenceshape.Validate(req.Value) != nil {
 		return contracts.ValidationResult{Approved: true}, nil
 	}
 	index := source.NewDocumentIndex(req.Source)
@@ -47,14 +47,14 @@ func (v *Validator) Validate(_ context.Context, req contracts.TypedValidationReq
 		coverage = newChunkCoverage(req.Chunk)
 	}
 	issues := make([]string, 0)
-	for eventIndex, event := range req.Value.Occurrences {
+	for occurrenceIndex, occurrence := range req.Value.Occurrences {
-		for refIndex, ref := range event.SourceRefs {
+		for refIndex, ref := range occurrence.SourceRefs {
 			if err := index.ValidateRef(ref); err != nil {
-				issues = append(issues, fmt.Sprintf("occurrences[%d].source_refs[%d]: %s", eventIndex, refIndex, diagnostics.Truncate(err.Error())))
+				issues = append(issues, fmt.Sprintf("occurrences[%d].source_refs[%d]: %s", occurrenceIndex, refIndex, diagnostics.Truncate(err.Error())))
 				continue
 			}
 			if coverage != nil && !coverage.contains(req.Source, ref) {
-				issues = append(issues, fmt.Sprintf("occurrences[%d].source_refs[%d]: source reference is outside the current extraction chunk", eventIndex, refIndex))
+				issues = append(issues, fmt.Sprintf("occurrences[%d].source_refs[%d]: source reference is outside the current extraction chunk", occurrenceIndex, refIndex))
 			}
 		}
 	}
--- a/internal/modules/dnd/validate/itemoccurrences/source_refs/validator_test.go
+++ b/internal/modules/dnd/validate/itemoccurrences/source_refs/validator_test.go
--- a/internal/modules/dnd/validate/itemoccurrences/source_relatedness/validator.go
+++ b/internal/modules/dnd/validate/itemoccurrences/source_relatedness/validator.go
@@ -1,4 +1,4 @@
-// Package sourcerelatedness warns when item-event evidence does not mention its item.
+// Package sourcerelatedness warns when item-occurrence evidence does not mention its item.
 package sourcerelatedness
 import (
@@ -10,14 +10,14 @@ import (
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/shared"
 	"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/shared/diagnostics"
-	itemeventshape "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemevents/shape"
+	itemoccurrenceshape "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemoccurrences/shape"
 )
 const (
-	Key               = "extract/dnd/item-events/source_relatedness"
+	Key               = "extract/dnd/item-occurrences/source_relatedness"
-	WarningReasonCode = "item_event_source_unrelated"
+	WarningReasonCode = "item_occurrence_source_unrelated"
-	OmittedReasonCode = "item_event_relatedness_warnings_omitted"
+	OmittedReasonCode = "item_occurrence_relatedness_warnings_omitted"
-	policy            = "dnd.item_events.source_relatedness.v1"
+	policy            = "dnd.item_occurrences.source_relatedness.v1"
 )
 type Options struct{}
@@ -38,7 +38,7 @@ func (v *Validator) CheckpointFingerprints() []pipeline.CheckpointFingerprint {
 // Validate performs advisory source grounding only. Shape and range failures
 // are intentionally left to their blocking owners.
 func (v *Validator) Validate(_ context.Context, req contracts.TypedValidationRequest[dnd.ItemOccurrenceList]) (contracts.ValidationResult, error) {
-	if itemeventshape.Validate(req.Value) != nil {
+	if itemoccurrenceshape.Validate(req.Value) != nil {
 		return contracts.ValidationResult{Approved: true}, nil
 	}
 	resolver, err := shared.NewCitationResolver(req.Source)
@@ -47,20 +47,20 @@ func (v *Validator) Validate(_ context.Context, req contracts.TypedValidationReq
 	}
 	warnings := make([]contracts.Warning, 0)
-	for index, event := range req.Value.Occurrences {
+	for index, occurrence := range req.Value.Occurrences {
-		citedText, err := resolver.CitedText(event.SourceRefs)
+		citedText, err := resolver.CitedText(occurrence.SourceRefs)
-		if err != nil || shared.ContainsTokenSequence(citedText, event.Name) {
+		if err != nil || shared.ContainsTokenSequence(citedText, occurrence.Name) {
 			continue
 		}
 		warnings = append(warnings, contracts.Warning{
 			Scope:      fmt.Sprintf("occurrences[%d]", index),
 			ReasonCode: WarningReasonCode,
-			Message:    fmt.Sprintf("item occurrence name %s was not found in cited source text", diagnostics.Quote(event.Name)),
+			Message:    fmt.Sprintf("item occurrence name %s was not found in cited source text", diagnostics.Quote(occurrence.Name)),
 		})
 	}
 	return contracts.ValidationResult{
 		Approved: true,
-		Warnings: diagnostics.LimitWarnings(warnings, "item_events", OmittedReasonCode),
+		Warnings: diagnostics.LimitWarnings(warnings, "item_occurrences", OmittedReasonCode),
 	}, nil
 }
--- a/internal/modules/dnd/validate/itemoccurrences/source_relatedness/validator_test.go
+++ b/internal/modules/dnd/validate/itemoccurrences/source_relatedness/validator_test.go
@@ -49,13 +49,13 @@ func TestValidatorDefersMalformedAndUnreadableEvidence(t *testing.T) {
 func TestValidatorBoundsWarningsAndRegistersPolicy(t *testing.T) {
 	count := diagnostics.MaxWarnings + 5
-	events := make([]dnd.ItemOccurrence, count)
+	occurrences := make([]dnd.ItemOccurrence, count)
-	for index := range events {
+	for index := range occurrences {
-		events[index] = dnd.ItemOccurrence{ItemID: "item", Name: "missing item", Kind: dnd.ItemOccurrenceKindDiscovered, SourceRefs: []source.SourceRef{{SourceID: "session", StartUnitID: 1, EndUnitID: 1}}}
+		occurrences[index] = dnd.ItemOccurrence{ItemID: "item", Name: "missing item", Kind: dnd.ItemOccurrenceKindDiscovered, SourceRefs: []source.SourceRef{{SourceID: "session", StartUnitID: 1, EndUnitID: 1}}}
 	}
 	result, err := New(Options{}).Validate(context.Background(), contracts.TypedValidationRequest[dnd.ItemOccurrenceList]{
 		Source: &source.SourceDocument{ID: "session", Units: []source.SourceUnit{{ID: 1, Text: "nothing useful"}}},
-		Value:  dnd.ItemOccurrenceList{Occurrences: events},
+		Value:  dnd.ItemOccurrenceList{Occurrences: occurrences},
 	})
 	if err != nil || !result.Approved || len(result.Warnings) != diagnostics.MaxWarnings || result.Warnings[len(result.Warnings)-1].ReasonCode != OmittedReasonCode {
 		t.Fatalf("Validate() = %#v, %v", result, err)
--- a/internal/modules/integration/dnd_itemoccurrences_runner_test.go
+++ b/internal/modules/integration/dnd_itemoccurrences_runner_test.go
@@ -30,9 +30,9 @@ pipelines:
              lane: registry
        artifacts:
          occurrences:
-            extract: dnd/item-events
+            extract: dnd/item-occurrences
            merge: appendorder
-            normalize: dnd/item-events
+            normalize: dnd/item-occurrences
 `)
 	if err != nil {
 		t.Fatal(err)
@@ -51,7 +51,7 @@ pipelines:
      - id: record-occurrences
        artifacts:
          occurrences:
-            extract: dnd/item-events
+            extract: dnd/item-occurrences
 `, "record-occurrences", "record-occurrences", 1))
 	if err != nil {
 		t.Fatal(err)
--- a/internal/modules/integration/testdata/seriatim_item_occurrences_session.json
+++ b/internal/modules/integration/testdata/seriatim_item_occurrences_session.json
@@ -1,7 +1,7 @@
 {
  "metadata": {
-    "id": "item-events-session",
+    "id": "item-occurrences-session",
-    "title": "Synthetic D&D item-event session"
+    "title": "Synthetic D&D item-occurrence session"
  },
  "segments": [
    {"id": 1, "start": 0, "end": 4, "speaker": "DM", "text": "An ancient coin rests in the chest."},