1

src/services/storyEngine/echoMemory.test.ts

@@ -89,6 +89,51 @@ describe('echoMemory', () => {
     expect(synced.seenBackstoryChapterIds).toContain('scar');
   });
 
+  it('accepts projected story engine memory snapshots with missing arrays', () => {
+    const npcState: NpcPersistentState = {
+      affinity: 18,
+      helpUsed: false,
+      chattedCount: 0,
+      giftsGiven: 0,
+      inventory: [],
+      recruited: false,
+      revealedFacts: [],
+      knownAttributeRumors: [],
+      firstMeaningfulContactResolved: false,
+      seenBackstoryChapterIds: [],
+      stanceProfile: {
+        trust: 50,
+        warmth: 46,
+        ideologicalFit: 50,
+        fearOrGuard: 38,
+        loyalty: 28,
+        currentConflictTag: null,
+        recentApprovals: [],
+        recentDisapprovals: [],
+      },
+    };
+
+    const synced = syncNpcNarrativeState({
+      encounter: createEncounter(),
+      npcState,
+      storyEngineMemory: {
+        currentChapter: {
+          id: 'chapter-1',
+          title: '断桥再燃',
+          summary: '桥口旧案重新压到眼前。',
+          stage: 'rising',
+          relatedQuestIds: [],
+          relatedSceneIds: [],
+          relatedThreadIds: ['thread-1'],
+          pressureTags: [],
+        },
+      } as never,
+    });
+
+    expect(synced.revealedFacts).toContain('publicMask');
+    expect(synced.revealedFacts).toContain('thread:thread-1');
+  });
+
   it('writes recent carriers and scar echoes into story engine memory', () => {
     const item: InventoryItem = {
       id: 'runtime:quest:evidence',

src/services/storyEngine/echoMemory.ts

@@ -12,7 +12,7 @@ import {
 import { buildThemePackFromWorldProfile } from './themePack';
 import {
   buildEncounterVisibilitySlice,
-  createEmptyStoryEngineMemoryState,
+  normalizeStoryEngineMemoryState,
 } from './visibilityEngine';
 import { buildFallbackWorldStoryGraph } from './worldStoryGraph';
 
@@ -81,8 +81,7 @@ export function syncNpcNarrativeState(params: {
     return npcState;
   }
 
-  const storyEngineMemory =
-    params.storyEngineMemory ?? createEmptyStoryEngineMemoryState();
+  const storyEngineMemory = normalizeStoryEngineMemoryState(params.storyEngineMemory);
   const activeThreadIds =
     storyEngineMemory.activeThreadIds.length > 0
       ? storyEngineMemory.activeThreadIds
@@ -122,8 +121,7 @@ export function appendStoryEngineCarrierMemory(
   state: GameState,
   items: InventoryItem[],
 ) {
-  const storyEngineMemory =
-    state.storyEngineMemory ?? createEmptyStoryEngineMemoryState();
+  const storyEngineMemory = normalizeStoryEngineMemoryState(state.storyEngineMemory);
   const carriers = items.filter((item) => item.runtimeMetadata?.storyFingerprint);
   if (carriers.length <= 0) {
     return {

src/services/storyEngine/visibilityEngine.ts

@@ -71,6 +71,67 @@ export function createEmptyStoryEngineMemoryState(): StoryEngineMemoryState {
   };
 }
 
+export function normalizeStoryEngineMemoryState(
+  memory?: Partial<StoryEngineMemoryState> | null,
+): StoryEngineMemoryState {
+  const empty = createEmptyStoryEngineMemoryState();
+  if (!memory) return empty;
+
+  // 后端投影或旧存档可能只带增量字段，前端消费前统一补齐数组字段。
+  return {
+    ...empty,
+    ...memory,
+    discoveredFactIds: Array.isArray(memory.discoveredFactIds)
+      ? memory.discoveredFactIds
+      : empty.discoveredFactIds,
+    inferredFactIds: Array.isArray(memory.inferredFactIds)
+      ? memory.inferredFactIds
+      : empty.inferredFactIds,
+    activeThreadIds: Array.isArray(memory.activeThreadIds)
+      ? memory.activeThreadIds
+      : empty.activeThreadIds,
+    resolvedScarIds: Array.isArray(memory.resolvedScarIds)
+      ? memory.resolvedScarIds
+      : empty.resolvedScarIds,
+    recentCarrierIds: Array.isArray(memory.recentCarrierIds)
+      ? memory.recentCarrierIds
+      : empty.recentCarrierIds,
+    openedSceneChapterIds: Array.isArray(memory.openedSceneChapterIds)
+      ? memory.openedSceneChapterIds
+      : empty.openedSceneChapterIds,
+    recentSignalIds: Array.isArray(memory.recentSignalIds)
+      ? memory.recentSignalIds
+      : empty.recentSignalIds,
+    recentCompanionReactions: Array.isArray(memory.recentCompanionReactions)
+      ? memory.recentCompanionReactions
+      : empty.recentCompanionReactions,
+    companionArcStates: Array.isArray(memory.companionArcStates)
+      ? memory.companionArcStates
+      : empty.companionArcStates,
+    worldMutations: Array.isArray(memory.worldMutations)
+      ? memory.worldMutations
+      : empty.worldMutations,
+    chronicle: Array.isArray(memory.chronicle)
+      ? memory.chronicle
+      : empty.chronicle,
+    factionTensionStates: Array.isArray(memory.factionTensionStates)
+      ? memory.factionTensionStates
+      : empty.factionTensionStates,
+    consequenceLedger: Array.isArray(memory.consequenceLedger)
+      ? memory.consequenceLedger
+      : empty.consequenceLedger,
+    companionResolutions: Array.isArray(memory.companionResolutions)
+      ? memory.companionResolutions
+      : empty.companionResolutions,
+    narrativeCodex: Array.isArray(memory.narrativeCodex)
+      ? memory.narrativeCodex
+      : empty.narrativeCodex,
+    simulationRunResults: Array.isArray(memory.simulationRunResults)
+      ? memory.simulationRunResults
+      : empty.simulationRunResults,
+  };
+}
+
 function buildBaseFactIds(
   narrativeProfile?: ActorNarrativeProfile | null,
   backstoryReveal?: CharacterBackstoryRevealConfig | null,
@@ -113,7 +174,7 @@ function resolveUnlockedChapterIds(
 export function buildEncounterVisibilitySlice(
   params: EncounterVisibilityParams,
 ) {
-  const memory = params.storyEngineMemory ?? createEmptyStoryEngineMemoryState();
+  const memory = normalizeStoryEngineMemoryState(params.storyEngineMemory);
   const factIds = buildBaseFactIds(params.narrativeProfile, params.backstoryReveal);
   const unlockedChapterIds = resolveUnlockedChapterIds(
     params.backstoryReveal,
@@ -193,7 +254,7 @@ export function buildEncounterVisibilitySlice(
 export function buildQuestVisibilitySlice(
   params: QuestVisibilityParams,
 ) {
-  const memory = params.storyEngineMemory ?? createEmptyStoryEngineMemoryState();
+  const memory = normalizeStoryEngineMemoryState(params.storyEngineMemory);
   const narrativeProfile = params.issuerNarrativeProfile;
   const factIds = dedupeStrings([
     narrativeProfile ? 'publicMask' : null,