feat: 完善文档分块参数配置

- 支持自定义正则匹配内容保留开关及配置持久化

- 约束分块重叠长度始终小于分块长度

- 补充中英文交互文案

easyflow-ui-admin/app/src/locales/langs/en-US/documentCollection.json

@@ -159,6 +159,9 @@
     "chunkSize": "SegmentLength",
     "overlapSize": "SegmentOverlap",
     "regex": "RegularExpression",
+    "regexMatchHandling": "Matched content",
+    "retainRegexMatch": "Keep in next chunk",
+    "discardRegexMatch": "Discard",
     "document": "Document",
     "simpleDocumentSplitter": "SimpleDocumentSplitter",
     "simpleTokenizeSplitter": "SimpleTokenizeSplitter",

easyflow-ui-admin/app/src/locales/langs/zh-CN/documentCollection.json

@@ -159,6 +159,9 @@
     "chunkSize": "分段长度",
     "overlapSize": "分段重叠",
     "regex": "正则表达式",
+    "regexMatchHandling": "匹配内容处理",
+    "retainRegexMatch": "保留到下一分块",
+    "discardRegexMatch": "不保留",
     "document": "文档",
     "simpleDocumentSplitter": "简单文档分割器",
     "simpleTokenizeSplitter": "简单分词器",

easyflow-ui-admin/app/src/views/ai/documentCollection/SegmenterDoc.vue

@@ -13,6 +13,7 @@ import {
   ElOption,
   ElSelect,
   ElSlider,
+  ElSwitch,
 } from 'element-plus';
 
 import { api } from '#/api/request';
@@ -88,6 +89,7 @@ const createDefaultFormState = () => ({
   mdSplitterLevel: 2,
   overlapSize: 128,
   regex: '',
+  retainRegexMatch: false,
   rowsPerChunk: 10,
   strategyCode: 'AUTO',
 });
@@ -154,6 +156,10 @@ const showLengthSettings = (strategyCode?: string) =>
 const showOverlapSettings = (strategyCode?: string) =>
   ['AUTO', 'PARAGRAPH_LENGTH'].includes(strategyCode || '');
 
+const maxOverlapSize = computed(() =>
+  Math.max(0, Number(formState.chunkSize || 0) - 1),
+);
+
 const clearPreviewTimer = () => {
   if (!previewDebounceTimer) {
     return;
@@ -388,6 +394,15 @@ watch(
   { immediate: true },
 );
 
+watch(
+  () => formState.chunkSize,
+  () => {
+    if (formState.overlapSize > maxOverlapSize.value) {
+      formState.overlapSize = maxOverlapSize.value;
+    }
+  },
+);
+
 watch(
   formState,
   () => {
@@ -456,7 +471,7 @@ watch(
         >
           <ElSlider
             v-model="formState.overlapSize"
-            :max="512"
+            :max="Math.min(512, maxOverlapSize)"
             :min="0"
             show-input
           />
@@ -484,6 +499,20 @@ watch(
         >
           <ElInput v-model="formState.regex" />
         </ElFormItem>
+
+        <ElFormItem
+          v-if="formState.strategyCode === 'CUSTOM_REGEX'"
+          :label="$t('documentCollection.splitterDoc.regexMatchHandling')"
+          class="workbench__form-full"
+        >
+          <ElSwitch
+            v-model="formState.retainRegexMatch"
+            :active-text="$t('documentCollection.splitterDoc.retainRegexMatch')"
+            :inactive-text="
+              $t('documentCollection.splitterDoc.discardRegexMatch')
+            "
+          />
+        </ElFormItem>
       </div>
     </ElForm>