feat: localize optimizer interface

src/app/page.tsx

@@ -55,12 +55,12 @@ export default function Home() {
         body: JSON.stringify(input),
       });
       const body = await response.json();
-      if (!response.ok) throw new Error(body.error ?? "Analyze failed");
+      if (!response.ok) throw new Error(body.error ?? "分析失败");
       setJobId(body.job.id);
       setFactCard(body.candidateFactCard);
-      setMessage("Candidate fact card created.");
+      setMessage("候选事实卡已生成。");
     } catch (error) {
-      setMessage(error instanceof Error ? error.message : "Analyze failed");
+      setMessage(error instanceof Error ? error.message : "分析失败");
     } finally {
       setBusyAction(null);
     }
@@ -77,11 +77,11 @@ export default function Home() {
         body: JSON.stringify(toConfirmedFactCard(factCard)),
       });
       const body = await response.json();
-      if (!response.ok) throw new Error(body.error ?? "Confirm failed");
+      if (!response.ok) throw new Error(body.error ?? "确认失败");
       setFactCard(body.factCard);
-      setMessage("Fact card confirmed.");
+      setMessage("事实卡已确认。");
     } catch (error) {
-      setMessage(error instanceof Error ? error.message : "Confirm failed");
+      setMessage(error instanceof Error ? error.message : "确认失败");
     } finally {
       setBusyAction(null);
     }
@@ -96,16 +96,16 @@ export default function Home() {
         method: "POST",
       });
       const body = await response.json();
-      if (!response.ok) throw new Error(body.error ?? "Optimize failed");
+      if (!response.ok) throw new Error(body.error ?? "优化失败");
       setOptimizedArticle(body.optimizedArticle);
       setQaReport(body.qaReport);
       setMessage(
         body.qaReport.overall_status === "fail"
-          ? "QA found hard failures; export is blocked."
+          ? "质检发现硬性失败，已阻止导出。"
-          : "Optimization complete.",
+          : "优化完成。",
       );
     } catch (error) {
-      setMessage(error instanceof Error ? error.message : "Optimize failed");
+      setMessage(error instanceof Error ? error.message : "优化失败");
     } finally {
       setBusyAction(null);
     }
@@ -115,7 +115,7 @@ export default function Home() {
     <main className="app-shell">
       <header className="topbar">
         <div>
-          <h1>GEO Agent Article Optimizer</h1>
+          <h1>GEO 智能文章优化器</h1>
           {message && <p>{message}</p>}
         </div>
         <button
@@ -123,7 +123,7 @@ export default function Home() {
           onClick={optimize}
           type="button"
         >
-          {busyAction === "optimize" ? "Optimizing..." : "Optimize"}
+          {busyAction === "optimize" ? "优化中..." : "开始优化"}
         </button>
       </header>
       <div className="workflow-grid">

src/components/article-input-form.tsx

@@ -20,10 +20,10 @@ interface ArticleInputFormProps {
 }
 
 const platforms: { value: PublishPlatform; label: string }[] = [
-  { value: "official_site", label: "Official site" },
+  { value: "official_site", label: "官网文章" },
-  { value: "media_article", label: "Media article" },
+  { value: "media_article", label: "媒体稿" },
-  { value: "comparison_review", label: "Comparison review" },
+  { value: "comparison_review", label: "对比评测" },
-  { value: "recommendation_list", label: "Recommendation list" },
+  { value: "recommendation_list", label: "推荐榜单" },
 ];
 
 export function ArticleInputForm({
@@ -47,13 +47,13 @@ export function ArticleInputForm({
   return (
     <form className="panel stack" onSubmit={handleSubmit}>
       <div className="panel-heading">
-        <span>Article Input</span>
+        <span>文章输入</span>
         <button disabled={isSubmitting} type="submit">
-          {isSubmitting ? "Analyzing..." : "Analyze"}
+          {isSubmitting ? "分析中..." : "分析文章"}
         </button>
       </div>
       <label>
-        <span>Title</span>
+        <span>标题</span>
         <input
           required
           value={value.title}
@@ -61,7 +61,7 @@ export function ArticleInputForm({
         />
       </label>
       <label>
-        <span>Body</span>
+        <span>正文</span>
         <textarea
           required
           className="body-input"
@@ -70,14 +70,14 @@ export function ArticleInputForm({
         />
       </label>
       <label>
-        <span>Images</span>
+        <span>图片描述或图片链接</span>
         <textarea
           value={value.image_lines}
           onChange={(event) => update("image_lines", event.target.value)}
         />
       </label>
       <label>
-        <span>Target platform</span>
+        <span>目标平台</span>
         <select
           value={value.platform}
           onChange={(event) =>
@@ -92,7 +92,7 @@ export function ArticleInputForm({
         </select>
       </label>
       <label>
-        <span>User instructions</span>
+        <span>用户要求</span>
         <textarea
           value={value.user_instructions}
           onChange={(event) => update("user_instructions", event.target.value)}

src/components/fact-card-editor.tsx

@@ -19,6 +19,16 @@ const listFields = [
   "uncertain_items",
 ] as const;
 
+const fieldLabels: Record<(typeof listFields)[number], string> = {
+  company_short_names: "公司简称",
+  brand_names: "品牌名称",
+  product_names: "产品名称",
+  core_claims: "核心事实/主张",
+  forbidden_claims: "禁止使用的主张",
+  image_topics: "图片主题",
+  uncertain_items: "待确认事项",
+};
+
 export function FactCardEditor({
   factCard,
   isSaving,
@@ -28,7 +38,7 @@ export function FactCardEditor({
   if (!factCard) {
     return (
       <section className="panel empty-panel">
-        <div className="panel-heading">Fact Card</div>
+        <div className="panel-heading">事实卡</div>
       </section>
     );
   }
@@ -53,13 +63,13 @@ export function FactCardEditor({
   return (
     <section className="panel stack">
       <div className="panel-heading">
-        <span>Fact Card</span>
+        <span>事实卡</span>
         <button disabled={!canOptimize || isSaving} onClick={onConfirm}>
-          {isSaving ? "Saving..." : "Confirm"}
+          {isSaving ? "保存中..." : "确认事实卡"}
         </button>
       </div>
       <label>
-        <span>Company full name</span>
+        <span>公司全称</span>
         <input
           value={factCard.company_full_name}
           onChange={(event) => update("company_full_name", event.target.value)}
@@ -67,14 +77,14 @@ export function FactCardEditor({
       </label>
       <div className="two-col">
         <label>
-          <span>Target industry</span>
+          <span>目标行业</span>
           <input
             value={factCard.target_industry}
             onChange={(event) => update("target_industry", event.target.value)}
           />
         </label>
         <label>
-          <span>Target audience</span>
+          <span>目标受众</span>
           <input
             value={factCard.target_audience}
             onChange={(event) => update("target_audience", event.target.value)}
@@ -82,7 +92,7 @@ export function FactCardEditor({
         </label>
       </div>
       <label>
-        <span>Experience years</span>
+        <span>经验年限</span>
         <input
           min="0"
           type="number"
@@ -97,9 +107,9 @@ export function FactCardEditor({
       </label>
       {listFields.map((field) => (
         <label key={field}>
-          <span>{field.replace(/_/g, " ")}</span>
+          <span>{fieldLabels[field]}</span>
           <textarea
-          value={factCard[field].join("\n")}
+            value={factCard[field].join("\n")}
             onChange={(event) =>
               update(
                 field,
@@ -114,7 +124,7 @@ export function FactCardEditor({
       ))}
       {!canOptimize && (
         <p className="status-text fail">
-          Resolve uncertain items before optimization.
+          请先处理待确认事项，再开始优化。
         </p>
       )}
     </section>

src/components/optimized-preview.tsx

@@ -18,21 +18,21 @@ export function OptimizedPreview({
   if (!article) {
     return (
       <section className="panel empty-panel">
-        <div className="panel-heading">Optimized Result</div>
+        <div className="panel-heading">优化结果</div>
       </section>
     );
   }
 
   return (
     <section className="panel stack">
-      <div className="panel-heading">Optimized Result</div>
+      <div className="panel-heading">优化结果</div>
       <article className="preview">
         <h2>{article.title}</h2>
         <p>{article.summary}</p>
         <pre>{article.body_markdown}</pre>
       </article>
       <div>
-        <h3>Image suggestions</h3>
+        <h3>图片建议</h3>
         <ul>
           {article.image_suggestions.map((item) => (
             <li key={item.source}>
@@ -42,7 +42,7 @@ export function OptimizedPreview({
         </ul>
       </div>
       <div>
-        <h3>Changed sections</h3>
+        <h3>修改位置</h3>
         <div className="tag-row">
           {article.changed_sections.map((section) => (
             <span className="tag" key={section}>
@@ -53,7 +53,7 @@ export function OptimizedPreview({
       </div>
       {article.requires_user_confirmation.length > 0 && (
         <div>
-          <h3>Needs confirmation</h3>
+          <h3>需要人工确认</h3>
           <ul>
             {article.requires_user_confirmation.map((item) => (
               <li key={item}>{item}</li>

src/components/qa-report-panel.tsx

@@ -6,11 +6,17 @@ interface QaReportPanelProps {
   report: QaReport | null;
 }
 
+const statusLabels = {
+  pass: "通过",
+  warn: "警告",
+  fail: "失败",
+} as const;
+
 export function QaReportPanel({ report }: QaReportPanelProps) {
   if (!report) {
     return (
       <section className="panel empty-panel">
-        <div className="panel-heading">Quality Report</div>
+        <div className="panel-heading">质量报告</div>
       </section>
     );
   }
@@ -18,9 +24,9 @@ export function QaReportPanel({ report }: QaReportPanelProps) {
   return (
     <section className="panel stack">
       <div className="panel-heading">
-        <span>Quality Report</span>
+        <span>质量报告</span>
         <span className={`status-pill ${report.overall_status}`}>
-          {report.overall_status}
+          {statusLabels[report.overall_status]}
         </span>
       </div>
       <div className="qa-list">
@@ -29,7 +35,7 @@ export function QaReportPanel({ report }: QaReportPanelProps) {
             <div className="qa-title-row">
               <strong>{check.rule_id.replace(/_/g, " ")}</strong>
               <span className={`status-pill ${check.status}`}>
-                {check.status}
+                {statusLabels[check.status]}
               </span>
             </div>
             <p>{check.reason}</p>

tests/e2e/mvp.spec.ts

@@ -1,31 +1,31 @@
 import { expect, test } from "@playwright/test";
 
-test("happy path creates optimized article and export links", async ({ page }) => {
+test("中文界面可以生成优化文章和导出链接", async ({ page }) => {
   await page.goto("/");
 
-  await page.getByLabel("Title").fill("Example Technology Co., Ltd. GEO guide");
+  await page.getByLabel("标题").fill("Example Technology Co., Ltd. GEO 指南");
   await page
-    .getByLabel("Body")
+    .getByLabel("正文")
     .fill(
-      "Example Technology Co., Ltd. has 8 years of GEO optimization experience. Example GEO helps marketing teams improve content structure.",
+      "Example Technology Co., Ltd. has 8 years of GEO optimization experience. Example GEO 帮助市场团队优化内容结构。",
     );
-  await page.getByLabel("Images").fill("Product dashboard");
+  await page.getByLabel("图片描述或图片链接").fill("产品仪表盘截图");
-  await page.getByLabel("User instructions").fill("Keep factual");
+  await page.getByLabel("用户要求").fill("保持事实准确，语气自然。");
 
-  await page.getByRole("button", { name: "Analyze" }).click();
+  await page.getByRole("button", { name: "分析文章" }).click();
-  await expect(page.getByText("Candidate fact card created.")).toBeVisible();
+  await expect(page.getByText("候选事实卡已生成。")).toBeVisible();
 
   await page
     .locator("label")
-    .filter({ hasText: "uncertain items" })
+    .filter({ hasText: "待确认事项" })
     .locator("textarea")
     .fill("");
-  await page.getByRole("button", { name: "Confirm" }).click();
+  await page.getByRole("button", { name: "确认事实卡" }).click();
-  await expect(page.getByText("Fact card confirmed.")).toBeVisible();
+  await expect(page.getByText("事实卡已确认。")).toBeVisible();
 
-  await page.getByRole("button", { name: "Optimize" }).click();
+  await page.getByRole("button", { name: "开始优化" }).click();
-  await expect(page.getByText("Optimization complete.")).toBeVisible();
+  await expect(page.getByText("优化完成。")).toBeVisible();
-  await expect(page.getByText("Quality Report")).toBeVisible();
+  await expect(page.getByText("质量报告")).toBeVisible();
 
   await expect(page.getByRole("link", { name: "optimized.md" })).toBeVisible();
   await expect(page.getByRole("link", { name: "optimized.docx" })).toBeVisible();