diff --git a/src/components/project/ApprovalDialog.vue b/src/components/project/ApprovalDialog.vue
new file mode 100644
index 0000000..5b9b979
--- /dev/null
+++ b/src/components/project/ApprovalDialog.vue
@@ -0,0 +1,110 @@
+<template>
+  <!-- 人工审批对话框(从 ProjectDetail.vue 抽离 UX-260618-17 submitting 保留)-->
+  <div v-if="visible" class="modal-overlay">
+    <div class="modal-box" style="width: 500px">
+      <h3 class="modal-title">{{ $t('projectDetail.approvalTitle') }}</h3>
+      <div v-if="pendingApproval">
+        <h3>{{ pendingApproval.title }}</h3>
+        <p style="margin: 16px 0; color: var(--df-text-secondary);">{{ pendingApproval.description }}</p>
+        <div style="margin-bottom: 20px;">
+          <p style="margin-bottom: 8px; font-size: 14px;">{{ $t('projectDetail.approvalHint') }}</p>
+          <!-- F-260615-01: select_type=multiple → checkbox 多选,缺省 single → 按钮单选 -->
+          <template v-if="isMultipleSelect">
+            <div style="display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px;">
+              <label
+                v-for="(option, idx) in pendingApproval.options"
+                :key="idx"
+                style="display: flex; align-items: center; gap: 8px; cursor: pointer;"
+              >
+                <input type="checkbox" :value="option" v-model="multiDecisions" />
+                <span>{{ option }}</span>
+              </label>
+            </div>
+            <button
+              class="btn btn-primary"
+              :disabled="submitting || multiDecisions.length === 0"
+              @click="handleApprovalMulti"
+            >
+              {{ $t('projectDetail.approvalConfirm', { count: multiDecisions.length }) }}
+            </button>
+          </template>
+          <template v-else>
+            <div style="display: flex; gap: 12px; flex-wrap: wrap;">
+              <button
+                v-for="(option, idx) in pendingApproval.options"
+                :key="idx"
+                class="btn"
+                :class="idx === 0 ? 'btn-primary' : 'btn-ghost'"
+                :disabled="submitting"
+                @click="handleApproval(option)"
+              >
+                {{ option }}
+              </button>
+            </div>
+          </template>
+        </div>
+      </div>
+      <div class="modal-actions">
+        <button class="btn btn-ghost" @click="emit('cancel')">{{ $t('projectDetail.approvalCancel') }}</button>
+        <button class="btn btn-ghost" @click="emit('later')">{{ $t('projectDetail.approvalLater') }}</button>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref, computed, watch } from 'vue'
+import { useProjectStore } from '@/stores/project'
+
+// 抽离自 ProjectDetail.vue(L175-225 模板 + L416-471 审批逻辑/watch)
+// store 共享:父级 useProjectStore() 实例传入(同源 store,响应式共享 pendingApproval)
+// submitting 自治:本组件持有禁用态(UX-260618-17 双击防抖)
+// ProjectStore 类型未 export(store.ts:135 内部 type),用 ReturnType 自推导同源类型
+type ProjectStore = ReturnType<typeof useProjectStore>
+
+const props = defineProps<{
+  visible: boolean
+  store: ProjectStore
+}>()
+
+const emit = defineEmits<{
+  cancel: []
+  later: []
+}>()
+
+const pendingApproval = computed(() => props.store.pendingApproval)
+const isMultipleSelect = computed(() => pendingApproval.value?.select_type === 'multiple')
+const multiDecisions = ref<string[]>([])
+const submitting = ref(false)
+
+async function handleApproval(decision: string) {
+  submitting.value = true
+  try {
+    await props.store.approveHumanApproval([decision])
+    emit('cancel')
+  } finally {
+    submitting.value = false
+  }
+}
+
+// F-260615-01: 多选审批(UX-260618-17 submitting 防双击保留)
+async function handleApprovalMulti() {
+  if (multiDecisions.value.length === 0) return
+  submitting.value = true
+  try {
+    // 统一传 decisions 数组,store 按 select_type 分派单/多选
+    await props.store.approveHumanApproval([...multiDecisions.value])
+    multiDecisions.value = []
+    emit('cancel')
+  } finally {
+    submitting.value = false
+  }
+}
+
+// F-260615-01: 每次新审批清空多选状态(避免上轮残留)
+watch(() => pendingApproval.value, (newApproval) => {
+  if (newApproval) {
+    multiDecisions.value = []
+  }
+}, { immediate: true })
+</script>
diff --git a/src/views/ProjectDetail.vue b/src/views/ProjectDetail.vue
index bf113c6..7ec758c 100644
--- a/src/views/ProjectDetail.vue
+++ b/src/views/ProjectDetail.vue
@@ -172,57 +172,13 @@
       </div>
     </div>
 
-    <!-- 人工审批对话框 -->
-    <div v-if="showApprovalDialog" class="modal-overlay">
-      <div class="modal-box" style="width: 500px">
-        <h3 class="modal-title">{{ $t('projectDetail.approvalTitle') }}</h3>
-        <div v-if="store.pendingApproval">
-          <h3>{{ store.pendingApproval.title }}</h3>
-          <p style="margin: 16px 0; color: var(--df-text-secondary);">{{ store.pendingApproval.description }}</p>
-          <div style="margin-bottom: 20px;">
-            <p style="margin-bottom: 8px; font-size: 14px;">{{ $t('projectDetail.approvalHint') }}</p>
-            <!-- F-260615-01: select_type=multiple → checkbox 多选,缺省 single → 按钮单选 -->
-            <template v-if="isMultipleSelect">
-              <div style="display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px;">
-                <label
-                  v-for="(option, idx) in store.pendingApproval.options"
-                  :key="idx"
-                  style="display: flex; align-items: center; gap: 8px; cursor: pointer;"
-                >
-                  <input type="checkbox" :value="option" v-model="multiDecisions" />
-                  <span>{{ option }}</span>
-                </label>
-              </div>
-              <button
-                class="btn btn-primary"
-                :disabled="submitting || multiDecisions.length === 0"
-                @click="handleApprovalMulti"
-              >
-                {{ $t('projectDetail.approvalConfirm', { count: multiDecisions.length }) }}
-              </button>
-            </template>
-            <template v-else>
-              <div style="display: flex; gap: 12px; flex-wrap: wrap;">
-                <button
-                  v-for="(option, idx) in store.pendingApproval.options"
-                  :key="idx"
-                  class="btn"
-                  :class="idx === 0 ? 'btn-primary' : 'btn-ghost'"
-                  :disabled="submitting"
-                  @click="handleApproval(option)"
-                >
-                  {{ option }}
-                </button>
-              </div>
-            </template>
-          </div>
-        </div>
-        <div class="modal-actions">
-          <button class="btn btn-ghost" @click="handleCancelApproval">{{ $t('projectDetail.approvalCancel') }}</button>
-          <button class="btn btn-ghost" @click="showApprovalDialog = false">{{ $t('projectDetail.approvalLater') }}</button>
-        </div>
-      </div>
-    </div>
+    <!-- 人工审批对话框(抽离至 components/project/ApprovalDialog.vue)-->
+    <ApprovalDialog
+      :visible="showApprovalDialog"
+      :store="store"
+      @cancel="handleCancelApproval"
+      @later="showApprovalDialog = false"
+    />
 
     <!-- 确认弹层（删除/重定位确认，替代原生 window.confirm/alert） -->
     <ConfirmDialog :visible="confirmState.visible" :msg="confirmState.msg" @result="answerConfirm" />
@@ -241,6 +197,7 @@ import { formatDate } from '@/utils/time'
 import { parseStack } from '@/utils/project'
 import { projectStatusLabel, projectStageInfo, taskStatusLabel, taskStatusClass } from '../constants/project'
 import ConfirmDialog from '@/components/ConfirmDialog.vue'
+import ApprovalDialog from '@/components/project/ApprovalDialog.vue'
 import { useConfirm } from '@/composables/useConfirm'
 import { useRendered } from '@/composables/useMarkdown'
 
@@ -414,32 +371,9 @@ async function handleImportDir() {
 }
 
 // ── 审批处理 ──
-async function handleApproval(decision: string) {
-  submitting.value = true
-  try {
-    await store.approveHumanApproval([decision])
-    showApprovalDialog.value = false
-  } finally {
-    submitting.value = false
-  }
-}
-
-// F-260615-01: 多选审批
-const isMultipleSelect = computed(() => store.pendingApproval?.select_type === 'multiple')
-const multiDecisions = ref<string[]>([])
-
-async function handleApprovalMulti() {
-  if (multiDecisions.value.length === 0) return
-  submitting.value = true
-  try {
-    // 统一传 decisions 数组,store 按 select_type 分派单/多选
-    await store.approveHumanApproval([...multiDecisions.value])
-    multiDecisions.value = []
-    showApprovalDialog.value = false
-  } finally {
-    submitting.value = false
-  }
-}
+// 审批对话框 UI + 单/多选决策逻辑抽离至 components/project/ApprovalDialog.vue
+// handleApproval/handleApprovalMulti/isMultipleSelect/multiDecisions 已迁移;
+// submitting(UX-260618-17)在子组件自治,父级 submitting 仅用于 submitNewTask
 
 // ── 取消审批（调 cancel_workflow_node IPC 置节点 Cancelled）──
 async function handleCancelApproval() {
@@ -461,11 +395,9 @@ watch(formattedEvents, () => {
   if (logListRef.value) logListRef.value.scrollTop = logListRef.value.scrollHeight
 })
 
-// 监听审批请求
+// 监听审批请求(pendingApproval → 开弹窗;多选清空已在 ApprovalDialog 内 watch)
 watch(() => store.pendingApproval, (newApproval) => {
   if (newApproval) {
-    // F-260615-01: 每次新审批清空多选状态(避免上轮残留)
-    multiDecisions.value = []
     showApprovalDialog.value = true
   }
 }, { immediate: true })