重构世界模拟器为模块化配方架构，完善创作编排、会话运行时与 Web UI，并清理过时技能。

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/display-labels.test.ts

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+import { describe, expect, it } from "vitest";
+import {
+  displayStageLabel,
+  displayWorkerLabel,
+  formatWorkerDisplayTitle,
+} from "../src/server/display-labels.js";
+
+describe("display-labels", () => {
+  it("maps lifecycle stages", () => {
+    expect(displayStageLabel("design")).toBe("创作");
+    expect(displayStageLabel("play")).toBe("游玩");
+  });
+
+  it("maps design workers", () => {
+    expect(displayWorkerLabel("design-flow")).toBe("创作 · 流程编排");
+    expect(displayWorkerLabel("design-step")).toBe("创作 · 执行步骤");
+    expect(formatWorkerDisplayTitle("design-flow", "output")).toBe(
+      "创作 · 流程编排 · 产出",
+    );
+  });
+
+  it("maps creation unit ids", () => {
+    expect(displayWorkerLabel("phase:core")).toBe("单位 · 核心");
+    expect(displayWorkerLabel("fixed:interaction")).toBe("能力 · 交互范式");
+    expect(displayWorkerLabel("fixed:aesthetics-interaction")).toBe(
+      "能力 · 美学纲领与交互范式",
+    );
+    expect(displayWorkerLabel("worker:narrator")).toBe("演员 · 叙事转述");
+  });
+});