fix: AI提问时支持文本输入框

- 当options为空时显示textarea让用户自由输入答案

src/views/messageArea.ts

@@ -1209,13 +1209,20 @@ export function getMessageAreaScript(): string {
               const inputName = \`q\${qIndex}\`;
               const selectedAnswers = savedAnswers[qIndex] || [];
 
-              const optionsHtml = q.options.map(opt => {
+              // 如果没有选项，显示文本输入框
+              let optionsHtml;
+              if (!q.options || q.options.length === 0) {
+                const savedText = selectedAnswers[0] || '';
+                optionsHtml = \`<textarea class="question-text-input" name="\${inputName}" placeholder="请输入您的答案..." style="width:100%;min-height:80px;padding:8px;border:1px solid var(--vscode-input-border);border-radius:4px;background:var(--vscode-input-background);color:var(--vscode-input-foreground);resize:vertical;" \${isAnswered ? 'disabled' : ''}>\${savedText}</textarea>\`;
+              } else {
+                optionsHtml = q.options.map(opt => {
                   const isSelected = selectedAnswers.includes(opt);
                   return \`<label class="question-option\${isSelected ? ' selected' : ''}" style="display:flex;align-items:center;gap:6px;cursor:pointer;padding:5px 5px 5px 0;">
                     <input type="\${inputType}" name="\${inputName}" value="\${opt}" \${isSelected ? 'checked' : ''} \${isAnswered ? 'disabled' : ''}>
                     <span>\${opt}</span>
                   </label>\`;
                 }).join('');
+              }
 
               return \`
                 <div class="question-item" data-question-index="\${qIndex}" style="margin-bottom:12px;">
@@ -1238,8 +1245,15 @@ export function getMessageAreaScript(): string {
                   submitBtn.addEventListener('click', function() {
                     const answers = {};
                     questions.forEach((q, qIndex) => {
+                      // 检查是否是文本输入框
+                      const textarea = segmentDiv.querySelector(\`textarea[name="q\${qIndex}"]\`);
+                      if (textarea) {
+                        const value = textarea.value.trim();
+                        answers[qIndex] = value ? [value] : [];
+                      } else {
                         const inputs = segmentDiv.querySelectorAll(\`input[name="q\${qIndex}"]:checked\`);
                         answers[qIndex] = Array.from(inputs).map(input => input.value);
+                      }
                     });
                     handleMultiQuestionAnswer(segment.askId, answers, segmentDiv);
                   });