feat(frontend): 更新三种切分模式与PDF定位

frontend/src/views/data-process/DataProcessCreateView.vue

@@ -218,7 +218,7 @@ function toBackendConfig(): DataProcessConfig {
       chunk_size: unstructuredOptions.value.chunkSize,
       chunk_overlap: unstructuredOptions.value.chunkOverlap,
       min_chunk_size: unstructuredOptions.value.minChunkSize,
-      custom_delimiter: unstructuredOptions.value.customDelimiter,
+      semantic_breakpoint_percentile: unstructuredOptions.value.semanticBreakpointPercentile,
       preserve_tables: unstructuredOptions.value.preserveTables,
       preserve_code_blocks: unstructuredOptions.value.preserveCodeBlocks,
       preserve_lists: unstructuredOptions.value.preserveLists,
@@ -266,6 +266,9 @@ function mapPreviewItem(item: DataProcessPreviewItem): PreviewItem {
     sourceEndLine: item.source_end_line,
     tokenCount: item.token_count,
     status: item.status,
+    sourcePages: Array.isArray(item.quality_score?.source_pages)
+      ? item.quality_score.source_pages.filter((value): value is number => typeof value === 'number')
+      : [],
     updatedAt: item.updated_at,
   }
 }
@@ -283,7 +286,7 @@ function previewAffectingOptions() {
       chunkSize,
       chunkOverlap,
       minChunkSize,
-      customDelimiter,
+      semanticBreakpointPercentile,
       preserveTables,
       preserveCodeBlocks,
       preserveLists,
@@ -294,7 +297,7 @@ function previewAffectingOptions() {
       chunkSize,
       chunkOverlap,
       minChunkSize,
-      customDelimiter: chunkMethod === 'custom' ? customDelimiter : '',
+      semanticBreakpointPercentile,
       preserveTables,
       preserveCodeBlocks,
       preserveLists,