init with react+axum+spacetimedb

src/services/storyEngine/contentDiffReport.ts

@@ -0,0 +1,35 @@
+import type {
+  CampaignPack,
+  CustomWorldProfile,
+} from '../../types';
+
+export interface ContentDiffReport {
+  summary: string;
+  changedFields: string[];
+}
+
+export function buildContentDiffReport(params: {
+  previousProfile: CustomWorldProfile | null | undefined;
+  nextProfile: CustomWorldProfile | null | undefined;
+  previousCampaignPack?: CampaignPack | null;
+  nextCampaignPack?: CampaignPack | null;
+}) {
+  const changedFields: string[] = [];
+  if (params.previousProfile?.summary !== params.nextProfile?.summary) changedFields.push('profile.summary');
+  if (params.previousProfile?.scenarioPackId !== params.nextProfile?.scenarioPackId) changedFields.push('profile.scenarioPackId');
+  if (params.previousProfile?.campaignPackId !== params.nextProfile?.campaignPackId) changedFields.push('profile.campaignPackId');
+  if (params.previousCampaignPack?.authoringStyle !== params.nextCampaignPack?.authoringStyle) {
+    changedFields.push('campaignPack.authoringStyle');
+  }
+  if (params.previousCampaignPack?.actTemplates.length !== params.nextCampaignPack?.actTemplates.length) {
+    changedFields.push('campaignPack.actTemplates');
+  }
+
+  return {
+    summary:
+      changedFields.length > 0
+        ? `当前版本相较上个版本改动了 ${changedFields.length} 个关键 narrative 字段。`
+        : '当前版本与上个版本相比没有明显 narrative 结构差异。',
+    changedFields,
+  } satisfies ContentDiffReport;
+}