Rework story engine flow and reorganize project docs

src/services/storyEngine/scenarioPackRegistry.test.ts

@@ -0,0 +1,23 @@
+import { describe, expect, it } from 'vitest';
+
+import {
+  listScenarioPacks,
+  registerScenarioPack,
+  resolveScenarioPack,
+} from './scenarioPackRegistry';
+
+describe('scenarioPackRegistry', () => {
+  it('registers and resolves scenario packs', () => {
+    const pack = registerScenarioPack({
+      id: 'scenario-pack:test',
+      title: '测试 Scenario',
+      version: '0.1.0',
+      worldPackIds: ['world-1'],
+      campaignIds: ['campaign-1'],
+      sharedConstraintPackIds: ['constraint-1'],
+    });
+
+    expect(resolveScenarioPack(pack.id)?.title).toBe('测试 Scenario');
+    expect(listScenarioPacks().some((item) => item.id === pack.id)).toBe(true);
+  });
+});