feat: 修改部分导入文本的逻辑，添加部署脚本和样式文件，更新数据库迁移逻辑

- 新增部署脚本 `build-deploy-bundle.mjs`，用于构建和部署 web 和 server 目录。
- 新增样式文件 `index-acd65452.css`，包含基础样式和响应式设计。
- 新增脚本 `repro-import-text.mjs`，用于测试文本导入 API。
- 新增测试文件 `db-migration-score-zero.test.ts`，验证历史数据库中 questions.score 约束的迁移逻辑。
- 更新数据库初始化逻辑，允许插入 score=0 的问题。

src/pages/QuizPage.tsx

@@ -313,7 +313,7 @@ const QuizPage = () => {
   };
 
   const handleJumpToFirstUnanswered = () => {
-    const firstUnansweredIndex = questions.findIndex(q => !answers[q.id]);
+    const firstUnansweredIndex = questions.findIndex(q => Number(q.score) > 0 && !answers[q.id]);
     if (firstUnansweredIndex !== -1) {
       handleJumpTo(firstUnansweredIndex);
     }
@@ -325,7 +325,7 @@ const QuizPage = () => {
       setSubmitting(true);
 
       if (!forceSubmit) {
-        const unansweredQuestions = questions.filter(q => !answers[q.id]);
+        const unansweredQuestions = questions.filter(q => Number(q.score) > 0 && !answers[q.id]);
         if (unansweredQuestions.length > 0) {
           message.warning(`还有 ${unansweredQuestions.length} 道题未作答`);
           return;
@@ -333,10 +333,11 @@ const QuizPage = () => {
       }
 
       const answersData = questions.map(question => {
-        const isCorrect = checkAnswer(question, answers[question.id]);
+        const userAnswer = (answers[question.id] ?? '') as any;
+        const isCorrect = checkAnswer(question, userAnswer);
         return {
           questionId: question.id,
-          userAnswer: answers[question.id],
+          userAnswer,
           score: isCorrect ? question.score : 0,
           isCorrect
         };
@@ -382,6 +383,7 @@ const QuizPage = () => {
   };
 
   const checkAnswer = (question: Question, userAnswer: string | string[]): boolean => {
+    if (Number(question.score) === 0) return true;
     if (!userAnswer) return false;
 
     if (question.type === 'multiple') {
@@ -395,7 +397,7 @@ const QuizPage = () => {
   };
 
   const answeredCount = useMemo(() => {
-    return questions.reduce((count, q) => (answers[q.id] ? count + 1 : count), 0);
+    return questions.reduce((count, q) => (answers[q.id] || Number(q.score) === 0 ? count + 1 : count), 0);
   }, [questions, answers]);
 
   useEffect(() => {