Rework story engine flow and reorganize project docs

src/services/storyEngine/narrativeTelemetry.test.ts

@@ -0,0 +1,34 @@
+import { describe, expect, it } from 'vitest';
+
+import { buildTelemetrySnapshot, captureNarrativeTelemetry } from './narrativeTelemetry';
+
+describe('narrativeTelemetry', () => {
+  it('builds telemetry snapshots and summaries', () => {
+    const snapshot = buildTelemetrySnapshot({
+      memory: {
+        activeThreadIds: ['a', 'b'],
+        recentCompanionReactions: [{}, {}],
+        endingState: { id: 'ending-1' },
+      } as never,
+      qaReport: {
+        generatedAt: new Date().toISOString(),
+        issues: [{ id: 'issue-1', severity: 'medium', category: 'payoff', summary: 'missing', relatedIds: [] }],
+        summary: '1 issue',
+      },
+    });
+
+    expect(snapshot.averageActiveThreadCount).toBe(2);
+    expect(captureNarrativeTelemetry({
+      memory: {
+        activeThreadIds: ['a', 'b'],
+        recentCompanionReactions: [{}, {}],
+        endingState: { id: 'ending-1' },
+      } as never,
+      qaReport: {
+        generatedAt: new Date().toISOString(),
+        issues: [{ id: 'issue-1', severity: 'medium', category: 'payoff', summary: 'missing', relatedIds: [] }],
+        summary: '1 issue',
+      },
+    }).summary).toContain('平均活跃线程');
+  });
+});