fix: 兼容优化稿LLM可选字段

src/lib/domain/__tests__/validation.test.ts

@@ -200,4 +200,35 @@ describe("domain validation", () => {
       "body: Fixed sentence flow.",
     ]);
   });
+
+  it("normalizes near-valid optimized article LLM optional fields", () => {
+    const parsed = optimizedArticleSchema.parse({
+      title: { text: "示例科技 GEO 内容优化方案" },
+      summary: ["围绕事实卡重写官网文章摘要"],
+      body_markdown: {
+        markdown: "## 服务能力\n示例科技有限公司提供GEO内容优化服务。",
+      },
+      image_suggestions: [
+        "当前版本不生成图片建议",
+        { source: "image_1" },
+        { suggestion: "使用产品后台截图" },
+        { source: "image_2", suggestion: "保留原文截图说明" },
+      ],
+      changed_sections: [
+        { section: "title", change: "改成中文官网标题" },
+      ],
+      requires_user_confirmation: [
+        { claim: "客户案例", reason: "原文没有给出客户名称" },
+      ],
+    });
+
+    expect(parsed.title).toBe("示例科技 GEO 内容优化方案");
+    expect(parsed.summary).toBe("围绕事实卡重写官网文章摘要");
+    expect(parsed.body_markdown).toContain("## 服务能力");
+    expect(parsed.image_suggestions).toEqual([
+      { source: "image_2", suggestion: "保留原文截图说明" },
+    ]);
+    expect(parsed.changed_sections).toEqual(["title: 改成中文官网标题"]);
+    expect(parsed.requires_user_confirmation).toEqual(["客户案例"]);
+  });
 });