diff --git a/src/components/AiChat.vue b/src/components/AiChat.vue
index 39cbf1e..db0e682 100644
--- a/src/components/AiChat.vue
+++ b/src/components/AiChat.vue
@@ -56,26 +56,8 @@
           <span class="ai-agentic-progress-dot"></span>
           <span class="ai-agentic-progress-text">{{ agenticProgressText }}</span>
         </div>
-        <!-- F-260616-03: 达 max_iterations 暂停态操作卡。
-             条件:pendingMaxRounds(达 max 事件置) + 当前视图正在生成(防切走后误显)。
-             点继续 → ai_continue_loop(后端续 max_iterations 轮)→ 卡片隐藏(等后端事件)。
-             点停止 → ai_stop_loop(后端走 AiCompleted 收尾)→ 卡片隐藏。 -->
-        <div v-if="showMaxRoundsCard" class="ai-max-rounds">
-          <span class="ai-max-rounds-text">{{ $t('aiChat.maxRoundsReached') }}</span>
-          <span class="ai-max-rounds-hint">{{ $t('aiChat.maxRoundsHint') }}</span>
-          <div class="ai-max-rounds-actions">
-            <button
-              class="ai-max-rounds-btn ai-max-rounds-btn--continue"
-              :disabled="maxRoundsActing"
-              @click="handleContinueLoop"
-            >{{ $t('aiChat.continueLoop') }}</button>
-            <button
-              class="ai-max-rounds-btn ai-max-rounds-btn--stop"
-              :disabled="maxRoundsActing"
-              @click="handleStopLoop"
-            >{{ $t('aiChat.stopLoop') }}</button>
-          </div>
-        </div>
+        <!-- 第五批抽离至 ai/MaxRoundsCard.vue(F-260616-03 达 max_iterations 暂停态操作卡,零行为变更,store 单例 + pendingMaxRounds 模块级 ref 共享,toast 经 emit 转父) -->
+        <MaxRoundsCard @toast="(p) => showToast(p.msg, p.type)" />
         <!-- 待发送队列（生成中排队的消息，完成后自动续发） -->
         <div v-if="store.state.queue.length > 0" class="ai-queue" :class="{ 'ai-queue--timeout': queueTimedOut }">
           <div class="ai-queue-head">
@@ -143,13 +125,12 @@ import { useI18n } from 'vue-i18n'
 import { useRouter } from 'vue-router'
 import { listen } from '@tauri-apps/api/event'
 import { useAiStore } from '../stores/ai'
-import { pendingMaxRounds } from '../composables/ai/useAiEvents'
-import { aiApi } from '../api'
 import ConfirmDialog from './ConfirmDialog.vue'
 import ConversationSidebar from './ai/ConversationSidebar.vue'
 import ChatInput from './ai/ChatInput.vue'
 import TopBar from './ai/TopBar.vue'
 import MessageList from './ai/MessageList.vue'
+import MaxRoundsCard from './ai/MaxRoundsCard.vue'
 import { useConfirm } from '../composables/useConfirm'
 import { useProjectStore } from '../stores/project'
 import type { AiMessage } from '../api/types'
@@ -522,50 +503,9 @@ async function toggleAlwaysOnTop() {
   alwaysOnTop.value = !alwaysOnTop.value
 }
 
-// ── F-260616-03: 达 max_iterations 暂停态操作卡 ──
-// pendingMaxRounds(达 max 事件置)+ 当前视图正在生成(防切走后误显)双重守卫。
-// maxRoundsActing 本地 ref 持按钮 loading:点继续/停止后禁双按钮,等后端事件
-// (continueLoop→新一轮 AiAgentRound;stopLoop→AiCompleted)自然清卡片。
-const maxRoundsActing = ref(false)
-const showMaxRoundsCard = computed(() =>
-  pendingMaxRounds.value && isViewingGenerating.value,
-)
-
-/** 点继续:调 ai_continue_loop。后端续 max_iterations 轮(iteration 从 0 重计)。
- *  不主动清 pendingMaxRounds——由后端新一轮事件(AiAgentRound)与最终 AiCompleted/AiError
- *  在 useAiEvents 内清。IPC 失败回滚 acting 让用户可重试。 */
-async function handleContinueLoop(): Promise<void> {
-  const convId = store.state.activeConversationId
-  if (!convId) return
-  maxRoundsActing.value = true
-  try {
-    await aiApi.continueLoop(convId)
-  } catch (e) {
-    maxRoundsActing.value = false
-    const msg = e instanceof Error ? e.message : String(e)
-    showToast(t('aiChat.continueLoopFailed', { msg }), 'error')
-  }
-}
-
-/** 点停止:调 ai_stop_loop。后端复位 generating + emit AiCompleted,useAiEvents 据此
- *  清 pendingMaxRounds。IPC 失败回滚 acting。 */
-async function handleStopLoop(): Promise<void> {
-  const convId = store.state.activeConversationId
-  if (!convId) return
-  maxRoundsActing.value = true
-  try {
-    await aiApi.stopLoop(convId)
-  } catch (e) {
-    maxRoundsActing.value = false
-    const msg = e instanceof Error ? e.message : String(e)
-    showToast(t('aiChat.stopLoopFailed', { msg }), 'error')
-  }
-}
-
-/** pendingMaxRounds 离开暂停态(后端事件已清)时复位 acting,允许下次再操作 */
-watch(() => pendingMaxRounds.value, (v) => {
-  if (!v) maxRoundsActing.value = false
-})
+// 第五批抽离: F-260616-03 max_iterations 暂停态操作卡(maxRoundsActing/showMaxRoundsCard/
+// handleContinueLoop/handleStopLoop/pendingMaxRounds watch)已迁移至 ai/MaxRoundsCard.vue
+// (零行为变更,store 单例 + pendingMaxRounds 模块级 ref 共享,toast 经 emit 转父)。
 
 // ── F-15 阶段2: 手动上下文管理(清空 / 压缩) ──
 // ChatMessage.status 渲染语义(types.ts 未含 status 字段,前端经 cast 读写闭环):
@@ -1169,60 +1109,7 @@ body.ai-sidebar-resizing * {
   border-top: 0.5px solid var(--df-border);
   background: var(--df-bg);
 }
-/* ── F-260616-03: 达 max_iterations 暂停态操作卡(警告色系,复用 ai-queue--timeout 风格) ── */
-.ai-max-rounds {
-  display: flex;
-  flex-direction: column;
-  gap: 3px;
-  margin-bottom: 6px;
-  padding: 6px 8px;
-  background: color-mix(in srgb, var(--df-warning) 10%, transparent);
-  border: 0.5px solid color-mix(in srgb, var(--df-warning) 40%, transparent);
-  border-radius: var(--df-radius);
-}
-.ai-max-rounds-text {
-  font-size: 11.5px;
-  font-weight: 600;
-  color: var(--df-warning);
-}
-.ai-max-rounds-hint {
-  font-size: 10.5px;
-  color: var(--df-text-dim);
-  opacity: 0.9;
-}
-.ai-max-rounds-actions {
-  display: flex;
-  align-items: center;
-  gap: 6px;
-  margin-top: 2px;
-}
-.ai-max-rounds-btn {
-  border: none;
-  cursor: pointer;
-  font-size: 11px;
-  font-weight: 600;
-  padding: 3px 10px;
-  border-radius: calc(var(--df-radius) - 2px);
-  transition: filter 0.15s var(--df-ease);
-}
-.ai-max-rounds-btn:disabled {
-  opacity: 0.5;
-  cursor: not-allowed;
-}
-.ai-max-rounds-btn--continue {
-  background: var(--df-warning);
-  color: #000;
-}
-.ai-max-rounds-btn--continue:hover:not(:disabled) { filter: brightness(1.1); }
-.ai-max-rounds-btn--stop {
-  background: transparent;
-  color: var(--df-text-dim);
-  border: 0.5px solid var(--df-border);
-}
-.ai-max-rounds-btn--stop:hover:not(:disabled) {
-  color: var(--df-text);
-  border-color: var(--df-text-dim);
-}
+/* 第五批抽离: F-260616-03 max_iterations 操作卡样式已迁移至 ai/MaxRoundsCard.vue */
 
 /* ── AE-2025-07: Agentic 循环进度条 ── */
 .ai-agentic-progress {
diff --git a/src/components/ai/MaxRoundsCard.vue b/src/components/ai/MaxRoundsCard.vue
new file mode 100644
index 0000000..06db5bd
--- /dev/null
+++ b/src/components/ai/MaxRoundsCard.vue
@@ -0,0 +1,144 @@
+<template>
+  <!-- 第五批抽离至 ai/MaxRoundsCard.vue(F-260616-03 达 max_iterations 暂停态操作卡,零行为变更)。
+       条件:pendingMaxRounds(达 max 事件置)+ 当前视图正在生成(防切走后误显)。
+       点继续 → ai_continue_loop(后端续 max_iterations 轮)→ 卡片隐藏(等后端事件)。
+       点停止 → ai_stop_loop(后端走 AiCompleted 收尾)→ 卡片隐藏。
+       store 单例共享(state/aiApi),pendingMaxRounds 模块级 ref(useAiEvents)直接导入。
+       toast 经 emit 转父(保持单一 toast 源)。 -->
+  <div v-if="showMaxRoundsCard" class="ai-max-rounds">
+    <span class="ai-max-rounds-text">{{ $t('aiChat.maxRoundsReached') }}</span>
+    <span class="ai-max-rounds-hint">{{ $t('aiChat.maxRoundsHint') }}</span>
+    <div class="ai-max-rounds-actions">
+      <button
+        class="ai-max-rounds-btn ai-max-rounds-btn--continue"
+        :disabled="maxRoundsActing"
+        @click="handleContinueLoop"
+      >{{ $t('aiChat.continueLoop') }}</button>
+      <button
+        class="ai-max-rounds-btn ai-max-rounds-btn--stop"
+        :disabled="maxRoundsActing"
+        @click="handleStopLoop"
+      >{{ $t('aiChat.stopLoop') }}</button>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref, computed, watch } from 'vue'
+import { useI18n } from 'vue-i18n'
+import { useAiStore } from '../../stores/ai'
+import { pendingMaxRounds } from '../../composables/ai/useAiEvents'
+import { aiApi } from '../../api'
+
+const emit = defineEmits<{
+  (e: 'toast', payload: { msg: string; type: 'error' | 'warning' | 'info' }): void
+}>()
+
+const store = useAiStore()
+const { t } = useI18n()
+
+// 当前视图是否正在生成(切走后台生成时光标不显示)
+const isViewingGenerating = computed(() =>
+  store.state.streaming && store.state.generatingConvId === store.state.activeConversationId,
+)
+
+// pendingMaxRounds(达 max 事件置)+ 当前视图正在生成(防切走后误显)双重守卫。
+// maxRoundsActing 本地 ref 持按钮 loading:点继续/停止后禁双按钮,等后端事件
+// (continueLoop→新一轮 AiAgentRound;stopLoop→AiCompleted)自然清卡片。
+const maxRoundsActing = ref(false)
+const showMaxRoundsCard = computed(() =>
+  pendingMaxRounds.value && isViewingGenerating.value,
+)
+
+/** 点继续:调 ai_continue_loop。后端续 max_iterations 轮(iteration 从 0 重计)。
+ *  不主动清 pendingMaxRounds——由后端新一轮事件(AiAgentRound)与最终 AiCompleted/AiError
+ *  在 useAiEvents 内清。IPC 失败回滚 acting 让用户可重试。 */
+async function handleContinueLoop(): Promise<void> {
+  const convId = store.state.activeConversationId
+  if (!convId) return
+  maxRoundsActing.value = true
+  try {
+    await aiApi.continueLoop(convId)
+  } catch (e) {
+    maxRoundsActing.value = false
+    const msg = e instanceof Error ? e.message : String(e)
+    emit('toast', { msg: t('aiChat.continueLoopFailed', { msg }), type: 'error' })
+  }
+}
+
+/** 点停止:调 ai_stop_loop。后端复位 generating + emit AiCompleted,useAiEvents 据此
+ *  清 pendingMaxRounds。IPC 失败回滚 acting。 */
+async function handleStopLoop(): Promise<void> {
+  const convId = store.state.activeConversationId
+  if (!convId) return
+  maxRoundsActing.value = true
+  try {
+    await aiApi.stopLoop(convId)
+  } catch (e) {
+    maxRoundsActing.value = false
+    const msg = e instanceof Error ? e.message : String(e)
+    emit('toast', { msg: t('aiChat.stopLoopFailed', { msg }), type: 'error' })
+  }
+}
+
+/** pendingMaxRounds 离开暂停态(后端事件已清)时复位 acting,允许下次再操作 */
+watch(() => pendingMaxRounds.value, (v) => {
+  if (!v) maxRoundsActing.value = false
+})
+</script>
+
+<style scoped>
+.ai-max-rounds {
+  display: flex;
+  flex-direction: column;
+  gap: 3px;
+  margin-bottom: 6px;
+  padding: 6px 8px;
+  background: color-mix(in srgb, var(--df-warning) 10%, transparent);
+  border: 0.5px solid color-mix(in srgb, var(--df-warning) 40%, transparent);
+  border-radius: var(--df-radius);
+}
+.ai-max-rounds-text {
+  font-size: 11.5px;
+  font-weight: 600;
+  color: var(--df-warning);
+}
+.ai-max-rounds-hint {
+  font-size: 10.5px;
+  color: var(--df-text-dim);
+  opacity: 0.9;
+}
+.ai-max-rounds-actions {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  margin-top: 2px;
+}
+.ai-max-rounds-btn {
+  border: none;
+  cursor: pointer;
+  font-size: 11px;
+  font-weight: 600;
+  padding: 3px 10px;
+  border-radius: calc(var(--df-radius) - 2px);
+  transition: filter 0.15s var(--df-ease);
+}
+.ai-max-rounds-btn:disabled {
+  opacity: 0.5;
+  cursor: not-allowed;
+}
+.ai-max-rounds-btn--continue {
+  background: var(--df-warning);
+  color: #000;
+}
+.ai-max-rounds-btn--continue:hover:not(:disabled) { filter: brightness(1.1); }
+.ai-max-rounds-btn--stop {
+  background: transparent;
+  color: var(--df-text-dim);
+  border: 0.5px solid var(--df-border);
+}
+.ai-max-rounds-btn--stop:hover:not(:disabled) {
+  color: var(--df-text);
+  border-color: var(--df-text-dim);
+}
+</style>