fix(ai,cli): remove top capture button from AI chat and support arrow key selection in CLI update prompt

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/cli/src/update-checker.ts

@@ -88,35 +88,67 @@ async function fetchLatestVersion(): Promise<string | null> {
 
 function promptUser(question: string, choices: string[]): Promise<number> {
   return new Promise((resolve) => {
+    let selected = 0
+
+    const render = () => {
+      // Move cursor up to rewrite choices (skip on first draw)
+      if (rendered) process.stderr.write(`\x1b[${choices.length}A`)
+      choices.forEach((c, i) => {
+        process.stderr.write(`\x1b[2K${i === selected ? '› ' : '  '}${i + 1}. ${c}\n`)
+      })
+    }
+
     process.stderr.write(`${question}\n\n`)
-    choices.forEach((c, i) => {
-      process.stderr.write(i === 0 ? `› ${i + 1}. ${c}\n` : `  ${i + 1}. ${c}\n`)
-    })
-    process.stderr.write('\n')
 
     if (!process.stdin.isTTY || !process.stdin.setRawMode) {
       resolve(2)
       return
     }
 
+    let rendered = false
+    render()
+    rendered = true
+    process.stderr.write('\n')
+
     process.stdin.setRawMode(true)
     process.stdin.resume()
 
+    const cleanup = () => {
+      process.stdin.removeListener('data', onData)
+      process.stdin.setRawMode!(false)
+      process.stdin.pause()
+    }
+
     const onData = (data: Buffer) => {
       const key = data.toString()
       if (key === '\x03') {
-        process.stdin.setRawMode!(false)
-        process.stdin.pause()
+        cleanup()
         process.exit(0)
       }
-      // Only accept single-digit keys matching a valid choice;
-      // ignore arrow keys (\x1b[A/B/C/D), Enter, and other non-digit input.
+      // Arrow up / k
+      if (key === '\x1b[A' || key === 'k') {
+        selected = (selected - 1 + choices.length) % choices.length
+        render()
+        return
+      }
+      // Arrow down / j
+      if (key === '\x1b[B' || key === 'j') {
+        selected = (selected + 1) % choices.length
+        render()
+        return
+      }
+      // Enter — confirm current selection
+      if (key === '\r' || key === '\n') {
+        cleanup()
+        process.stderr.write('\n')
+        resolve(selected + 1)
+        return
+      }
+      // Digit key — direct choice
       if (key.length === 1) {
         const num = parseInt(key)
         if (num >= 1 && num <= choices.length) {
-          process.stdin.removeListener('data', onData)
-          process.stdin.setRawMode!(false)
-          process.stdin.pause()
+          cleanup()
           process.stderr.write('\n')
           resolve(num)
         }

src/components/AIChat/ChatExplorer.vue

@@ -10,7 +10,6 @@ import AIThinkingIndicator from './chat/AIThinkingIndicator.vue'
 import ChatStatusBar from './chat/ChatStatusBar.vue'
 import { useAIChat } from '@/composables/useAIChat'
 import { useAIService, useLLMService } from '@/services'
-import CaptureButton from '@/components/common/CaptureButton.vue'
 import AssistantInlineBar from './assistant/AssistantInlineBar.vue'
 import AssistantConfigModal from './assistant/AssistantConfigModal.vue'
 import AssistantMarketModal from './assistant/AssistantMarketModal.vue'
@@ -137,9 +136,6 @@ const chatInputRef = ref<{
 // QA 对
 const qaPairs = computed(() => groupMessagesToQAPairs(messages.value))
 
-// 截屏功能
-const conversationContentRef = ref<HTMLElement | null>(null)
-
 // 检查 LLM 配置
 async function checkLLMConfig() {
   isCheckingConfig.value = true
@@ -362,7 +358,6 @@ watch(
             :class="{ 'p-0!': messages.length === 0 && !isAIThinking }"
           >
             <div
-              ref="conversationContentRef"
               class="mx-auto max-w-3xl space-y-6"
               :class="{
                 'flex min-h-full flex-col justify-center px-4 pb-32 pt-4 space-y-0!':
@@ -416,17 +411,6 @@ watch(
                 </div>
               </div>
 
-              <!-- 对话截屏按钮 -->
-              <div v-if="qaPairs.length > 0 && !isAIThinking" class="flex justify-end">
-                <CaptureButton
-                  :label="t('ai.chat.capture')"
-                  size="xs"
-                  type="element"
-                  :target-element="conversationContentRef"
-                  markdown-fix
-                />
-              </div>
-
               <!-- QA 对渲染 -->
               <template v-for="pair in qaPairs" :key="pair.id">
                 <!-- 独立消息（summary 等非 user/assistant） -->