支持段落删除与移动排序，修复导出残留与外键约束

- 前端：段落列表/配置区/手动编辑区新增上移、下移、删除按钮，hover 显示
- 前端：移动和删除操作后自动保存到后端，修正 canDeleteBlock 判定逻辑
- 后端：保存段落时级联删除关联的 generation_logs 再删段落
- 后端：导出时清理未被引用的标题段落及其内容，避免已删段落残留在 Word 中
- 后端：删除模板时级联清理 generation_logs/documents/paragraphs

web/src/views/TemplateEditor.vue

@@ -33,6 +33,17 @@
             <span :class="['pli-badge', paragraph.edit_mode === 'ai' ? 'ai' : 'manual']">
               {{ paragraph.edit_mode === 'ai' ? 'AI 生成' : '人工编辑' }}
             </span>
+            <span class="pli-actions" @click.stop>
+              <a-button type="text" size="small" :disabled="!canMoveUp(paragraph)" @click="moveUp(paragraph)">
+                <arrow-up-outlined />
+              </a-button>
+              <a-button type="text" size="small" :disabled="!canMoveDown(paragraph)" @click="moveDown(paragraph)">
+                <arrow-down-outlined />
+              </a-button>
+              <a-button type="text" size="small" danger :disabled="!canDeleteBlock(paragraph)" @click="handleDeleteParagraph(paragraph)">
+                <delete-outlined />
+              </a-button>
+            </span>
           </div>
         </div>
       </aside>
@@ -61,6 +72,17 @@
           <div class="doc-edit-page">
             <template v-if="editorMode === 'paragraph'">
               <div v-for="paragraph in paragraphs" :key="paragraph.id" :id="`paraBlock${paragraph.id}`" :class="['para-block', { selected: selectedId === paragraph.id }]" @click="selectPara(paragraph.id)">
+                <span class="para-block-actions" @click.stop>
+                  <a-button type="text" size="small" :disabled="!canMoveUp(paragraph)" @click="moveUp(paragraph)">
+                    <arrow-up-outlined />
+                  </a-button>
+                  <a-button type="text" size="small" :disabled="!canMoveDown(paragraph)" @click="moveDown(paragraph)">
+                    <arrow-down-outlined />
+                  </a-button>
+                  <a-button type="text" size="small" danger :disabled="!canDeleteBlock(paragraph)" @click="handleDeleteParagraph(paragraph)">
+                    <delete-outlined />
+                  </a-button>
+                </span>
                 <span :class="['para-tag', paragraph.edit_mode === 'ai' ? 'ai' : 'manual']">
                   {{ paragraph.edit_mode === 'ai' ? `AI 生成${paragraph.output_format === 'table' ? ' · 表格' : ''}` : '人工编辑' }}
                 </span>
@@ -103,7 +125,9 @@
                 <div class="manual-block-actions">
                   <a-button size="small" @click.stop="insertBlockAfter(paragraph, 'manual')">在后面新增固定块</a-button>
                   <a-button size="small" type="primary" ghost @click.stop="insertBlockAfter(paragraph, 'ai')">在后面新增 AI 块</a-button>
-                  <a-button size="small" danger :disabled="!canDeleteBlock(paragraph)" @click.stop="removeBlock(paragraph)">删除当前块</a-button>
+                  <a-button size="small" :disabled="!canMoveUp(paragraph)" @click.stop="moveUp(paragraph)">上移</a-button>
+                  <a-button size="small" :disabled="!canMoveDown(paragraph)" @click.stop="moveDown(paragraph)">下移</a-button>
+                  <a-button size="small" danger :disabled="!canDeleteBlock(paragraph)" @click.stop="handleDeleteParagraph(paragraph)">删除当前块</a-button>
                 </div>
                 <div class="manual-block-meta">
                   <span class="meta-item">编辑方式：{{ paragraph.edit_mode === 'ai' ? 'AI 生成' : '人工编辑' }}</span>
@@ -258,12 +282,15 @@
 <script setup lang="ts">
 import { computed, nextTick, onMounted, ref } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
-import { message } from 'ant-design-vue'
+import { message, Modal } from 'ant-design-vue'
 import {
   AlignCenterOutlined,
   AlignLeftOutlined,
   AlignRightOutlined,
+  ArrowDownOutlined,
   ArrowLeftOutlined,
+  ArrowUpOutlined,
+  DeleteOutlined,
   FontSizeOutlined,
   OrderedListOutlined,
   TableOutlined,
@@ -271,6 +298,7 @@ import {
 import { useTemplateStore } from '@/stores/template'
 import { useModelStore } from '@/stores/model'
 import { generateApi } from '@/api/generate'
+import { templateApi } from '@/api/template'
 import ReferenceFileSelector from '@/components/ReferenceFileSelector.vue'
 
 const route = useRoute()
@@ -320,8 +348,83 @@ function listTitle(paragraph: any) {
   return `${paragraph.title || '未命名块'}（归属 ${paragraph.anchor_title}）`
 }
 
-function canDeleteBlock(paragraph: any) {
-  return paragraphs.value.filter((item) => item.anchor_title === paragraph.anchor_title).length > 1
+function canDeleteBlock(_paragraph: any) {
+  return paragraphs.value.length > 1
+}
+
+function canMoveUp(paragraph: any) {
+  const index = paragraphs.value.findIndex((item) => item === paragraph)
+  return index > 0
+}
+
+function canMoveDown(paragraph: any) {
+  const index = paragraphs.value.findIndex((item) => item === paragraph)
+  return index >= 0 && index < paragraphs.value.length - 1
+}
+
+function moveUp(paragraph: any) {
+  const index = paragraphs.value.findIndex((item) => item === paragraph)
+  if (index <= 0) return
+  const temp = paragraphs.value[index]
+  paragraphs.value[index] = paragraphs.value[index - 1]
+  paragraphs.value[index - 1] = temp
+  normalizeSortIndex()
+  autoSaveParagraphs()
+}
+
+function moveDown(paragraph: any) {
+  const index = paragraphs.value.findIndex((item) => item === paragraph)
+  if (index < 0 || index >= paragraphs.value.length - 1) return
+  const temp = paragraphs.value[index]
+  paragraphs.value[index] = paragraphs.value[index + 1]
+  paragraphs.value[index + 1] = temp
+  normalizeSortIndex()
+  autoSaveParagraphs()
+}
+
+function handleDeleteParagraph(paragraph: any) {
+  if (!canDeleteBlock(paragraph)) {
+    message.warning('至少保留一个段落')
+    return
+  }
+  Modal.confirm({
+    title: '确认删除',
+    content: `确定要删除段落"${paragraph.title || '未命名'}"吗？`,
+    okText: '确认删除',
+    okType: 'danger',
+    cancelText: '取消',
+    onOk: () => {
+      removeBlock(paragraph)
+    },
+  })
+}
+
+async function autoSaveParagraphs() {
+  const templateId = Number(route.params.id)
+  const data = paragraphs.value.map((p, index) => ({
+    id: p.id,
+    sort_index: index + 1,
+    anchor_title: p.anchor_title,
+    title: p.title,
+    content: p.content,
+    edit_mode: p.edit_mode,
+    write_mode: p.write_mode,
+    model_id: p.model_id,
+    need_prompt: p.need_prompt,
+    prompt_text: p.prompt_text,
+    need_file: p.need_file,
+    file_note: p.file_note,
+    output_format: p.output_format,
+  }))
+  try {
+    console.log('[autoSave] sending paragraphs:', data.map(p => ({ id: p.id, title: p.title })))
+    await templateApi.saveParagraphs(templateId, { paragraphs: data })
+    store.paragraphs = paragraphs.value as any
+    console.log('[autoSave] save success')
+  } catch (e: any) {
+    console.error('[autoSave] save failed:', e)
+    message.error(e?.message || '自动保存失败')
+  }
 }
 
 function insertBlockAfter(sourceParagraph: any, editMode: 'manual' | 'ai') {
@@ -356,7 +459,7 @@ function insertBlockAfter(sourceParagraph: any, editMode: 'manual' | 'ai') {
 
 function removeBlock(paragraph: any) {
   if (!canDeleteBlock(paragraph)) {
-    message.warning('当前节至少保留一个块')
+    message.warning('至少保留一个段落')
     return
   }
   const index = paragraphs.value.findIndex((item) => item === paragraph)
@@ -365,6 +468,7 @@ function removeBlock(paragraph: any) {
   normalizeSortIndex()
   const next = paragraphs.value[index] || paragraphs.value[index - 1] || paragraphs.value[0]
   selectedId.value = next?.id || 0
+  autoSaveParagraphs()
 }
 
 function contentPlaceholder(paragraph: any) {
@@ -381,6 +485,7 @@ function contentPlaceholder(paragraph: any) {
 
 async function saveTemplate() {
   const templateId = Number(route.params.id)
+  store.paragraphs = paragraphs.value as any
   await store.save(templateId)
   const template = await store.fetchOne(templateId)
   templateName.value = template.name
@@ -732,6 +837,19 @@ onMounted(async () => {
   color: #e68a00;
 }
 
+.para-block-actions {
+  position: absolute;
+  right: 56px;
+  top: 6px;
+  display: none;
+  gap: 2px;
+}
+
+.para-block:hover .para-block-actions,
+.para-block.selected .para-block-actions {
+  display: inline-flex;
+}
+
 .sec-title {
   font-size: 16px;
   font-weight: 600;
@@ -906,6 +1024,16 @@ onMounted(async () => {
   color: #e68a00;
 }
 
+.pli-actions {
+  display: none;
+  gap: 2px;
+  flex-shrink: 0;
+}
+
+.para-list-item:hover .pli-actions {
+  display: inline-flex;
+}
+
 .test-paragraph-card {
   background: #f0f1f3;
   border-radius: 8px;