feat: Introduce Markdown processing for the AI proofreading function, use Streamdown for rendering，add Alibaba Bold font

package.json

@@ -59,6 +59,7 @@
     "lodash": "^4.17.21",
     "lucide-react": "^0.379.0",
     "mark.js": "^8.11.1",
+    "markdown-exit": "1.0.0-beta.8",
     "next-themes": "^0.4.3",
     "puppeteer": "^23.9.0",
     "puppeteer-core": "^23.9.0",
@@ -69,8 +70,10 @@
     "react-resizable-panels": "^2.0.20",
     "sharp": "^0.33.5",
     "sonner": "^1.7.1",
+    "streamdown": "^2.3.0",
     "tailwind-merge": "^2.6.0",
     "tailwindcss-animate": "^1.0.7",
+    "turndown": "^7.2.2",
     "uuid": "^11.0.5",
     "vaul": "^1.1.1",
     "zustand": "^4.5.4"
@@ -80,6 +83,7 @@
     "@types/node": "^20",
     "@types/react": "^18",
     "@types/react-dom": "^18",
+    "@types/turndown": "^5.0.6",
     "@vitejs/plugin-react": "^5.1.4",
     "eslint": "^8",
     "postcss": "^8",

src/app/font.css

@@ -5,3 +5,11 @@
   font-style: normal;
   font-display: swap;
 }
+
+@font-face {
+  font-family: "Alibaba PuHuiTi";
+  src: url("/fonts/AlibabaPuHuiTi-3-85-Bold.ttf") format("truetype");
+  font-weight: bold;
+  font-style: normal;
+  font-display: swap;
+}

src/components/shared/ai/AIPolishDialog.tsx

@@ -2,6 +2,10 @@ import { useEffect, useState, useRef } from "react";
 import { Loader2, Sparkles } from "lucide-react";
 import { toast } from "sonner";
 import { useTranslations } from "@/i18n/compat/client";
+import { Streamdown } from "streamdown";
+import "streamdown/styles.css";
+import { createMarkdownExit } from "markdown-exit";
+import TurndownService from "turndown";
 
 import {
   Dialog,
@@ -23,6 +27,19 @@ interface AIPolishDialogProps {
   onApply: (content: string) => void;
 }
 
+// markdown-exit 实例，用于将 AI 返回的 Markdown 转换为 Tiptap 兼容的 HTML
+const md = createMarkdownExit({
+  html: true,       // 允许 HTML 标签透传
+  breaks: true,     // 将换行符转换为 <br>
+  linkify: false,   // 简历内容不需要自动识别链接
+});
+
+// turndown 实例，用于将 Tiptap HTML 转换为 Markdown 发给 AI
+const turndownService = new TurndownService({
+  headingStyle: "atx",
+  bulletListMarker: "-",
+});
+
 export default function AIPolishDialog({
   open,
   onOpenChange,
@@ -66,14 +83,14 @@ export default function AIPolishDialog({
           "Content-Type": "application/json"
         },
         body: JSON.stringify({
-          content,
+          content: turndownService.turndown(content),
           apiKey: selectedModel === "doubao" ? doubaoApiKey : selectedModel === "openai" ? openaiApiKey : deepseekApiKey,
           apiEndpoint: selectedModel === "openai" ? openaiApiEndpoint : undefined,
           model:
-              selectedModel === "doubao"
-                  ? doubaoModelId
-                  : selectedModel === "openai" ? openaiModelId
-                      : config.requiresModelId ? deepseekModelId : deepseekApiKey,
+            selectedModel === "doubao"
+              ? doubaoModelId
+              : selectedModel === "openai" ? openaiModelId
+                : config.requiresModelId ? deepseekModelId : deepseekApiKey,
           modelType: selectedModel
         }),
         signal: abortControllerRef.current.signal
@@ -95,16 +112,7 @@ export default function AIPolishDialog({
         if (done) break;
 
         const chunk = decoder.decode(value);
-        setPolishedContent((prev) => {
-          const newContent = prev + chunk;
-          requestAnimationFrame(() => {
-            if (polishedContentRef.current) {
-              const container = polishedContentRef.current;
-              container.scrollTop = container.scrollHeight;
-            }
-          });
-          return newContent;
-        });
+        setPolishedContent((prev) => prev + chunk);
       }
     } catch (error) {
       if (error instanceof Error && error.name === "AbortError") {
@@ -119,6 +127,16 @@ export default function AIPolishDialog({
     }
   };
 
+  // 自动滚动到底部
+  useEffect(() => {
+    if (polishedContent && polishedContentRef.current) {
+      const container = polishedContentRef.current;
+      requestAnimationFrame(() => {
+        container.scrollTop = container.scrollHeight;
+      });
+    }
+  }, [polishedContent]);
+
   useEffect(() => {
     if (open) {
       handlePolish();
@@ -141,7 +159,11 @@ export default function AIPolishDialog({
   };
 
   const handleApply = () => {
-    onApply(polishedContent);
+    // 将 Markdown 转为 HTML，并补回 Tiptap 所需的 ul/ol 类名
+    const htmlContent = md.render(polishedContent)
+      .replace(/<ul>/g, '<ul class="custom-list">')
+      .replace(/<ol>/g, '<ol class="custom-list-ordered">');
+    onApply(htmlContent);
     handleClose();
     toast.success(t("error.applied"));
   };
@@ -224,13 +246,14 @@ export default function AIPolishDialog({
                 "p-6 h-[400px] overflow-auto shadow-sm"
               )}
             >
-              <div
+              <Streamdown
                 className={cn(
                   "prose dark:prose-invert max-w-none",
                   "text-neutral-700 dark:text-neutral-300"
                 )}
-                dangerouslySetInnerHTML={{ __html: content }}
-              />
+              >
+                {turndownService.turndown(content)}
+              </Streamdown>
             </div>
           </div>
 
@@ -260,13 +283,16 @@ export default function AIPolishDialog({
                 "p-6 h-[400px] overflow-auto shadow-sm scroll-smooth"
               )}
             >
-              <div
+              <Streamdown
+                animated
+                isAnimating={isPolishing}
                 className={cn(
                   "prose dark:prose-invert max-w-none",
                   "text-neutral-800 dark:text-neutral-200"
                 )}
-                dangerouslySetInnerHTML={{ __html: polishedContent }}
-              />
+              >
+                {polishedContent}
+              </Streamdown>
             </div>
           </div>
         </div>

src/routes/api/polish.ts

@@ -28,7 +28,7 @@ export const Route = createFileRoute("/api/polish")({
               messages: [
                 {
                   role: "system",
-                  content: `你是一个专业的简历优化助手。请帮助优化以下文本，使其更加专业和有吸引力。
+                  content: `你是一个专业的简历优化助手。请帮助优化以下 Markdown 格式的文本，使其更加专业和有吸引力。
 
               优化原则：
               1. 使用更专业的词汇和表达方式
@@ -36,9 +36,9 @@ export const Route = createFileRoute("/api/polish")({
               3. 保持简洁清晰
               4. 使用主动语气
               5. 保持原有信息的完整性
-              6. 保留我输入的格式
+              6. 严格保留原有的 Markdown 格式结构（列表项保持为列表项，加粗保持加粗等）
 
-              请直接返回优化后的文本，不要包含任何解释或其他内容。`
+              请直接返回优化后的 Markdown 文本，不要包含任何解释或其他内容。`
                 },
                 {
                   role: "user",

tailwind.config.ts

@@ -9,7 +9,8 @@ const config = {
     "./components/**/*.{ts,tsx}",
     "./app/**/*.{ts,tsx}",
     "./src/**/*.{ts,tsx}",
-    "./node_modules/@heroui/theme/dist/**/*.{js,ts,jsx,tsx}"
+    "./node_modules/@heroui/theme/dist/**/*.{js,ts,jsx,tsx}",
+    "./node_modules/streamdown/dist/*.js"
   ],
   prefix: "",
   theme: {