fix: 完善数据预处理与 JSON 上传链路

frontend/src/views/data-process/create/useDataProcessRegeneration.ts

@@ -2,7 +2,6 @@ import { computed, nextTick, ref, type Reactive, type Ref } from 'vue'
 import { useRoute } from 'vue-router'
 import {
   getDataProcessPreview,
-  getDataProcessSourceContent,
   getDataProcessTask,
   regenerateDataProcessTask,
 } from '@/api/modules/dataProcess'
@@ -15,7 +14,10 @@ import {
   createStructuredOptionsFromConfig,
   createUnstructuredOptionsFromConfig,
 } from './dataProcessCreateState'
-import { mapDataProcessSourceFile } from './useDataProcessSourceUpload'
+import {
+  loadCanonicalSourceContent,
+  mapDataProcessSourceFile,
+} from './useDataProcessSourceUpload'
 import type {
   PreviewItem,
   ProcessType,
@@ -50,24 +52,6 @@ interface RegenerationBindings {
   resetDownstream: () => void
 }
 
-async function loadSourceContent(taskId: string, fileId: string | number) {
-  const chunks: string[] = []
-  let startLine = 1
-  while (true) {
-    const source = await getDataProcessSourceContent(taskId, fileId, {
-      start_line: startLine,
-      line_count: 10_000,
-    })
-    chunks.push(source.content || '')
-    if (!source.has_more) break
-    const nextLine = Number(source.end_line || startLine) + 1
-    if (nextLine <= startLine) break
-    startLine = nextLine
-  }
-  // source_content_lines 已保留原始换行；分页之间直接拼接，避免凭空增加空行并破坏偏移。
-  return chunks.join('')
-}
-
 async function loadAllPreviews(taskId: string, mapPreviewItem: RegenerationBindings['mapPreviewItem']) {
   const first = await getDataProcessPreview(taskId, { page: 1, page_size: 500 })
   const items = [...first.items]
@@ -97,7 +81,7 @@ export function useDataProcessRegeneration(bindings: RegenerationBindings) {
   async function hydrateWorkspace(task: DataProcessTask, preservePreviews: boolean) {
     const taskId = String(task.id)
     bindings.uploadedFiles.value = await Promise.all((task.source_files || []).map(async (file) => (
-      mapDataProcessSourceFile(file, await loadSourceContent(taskId, file.id))
+      mapDataProcessSourceFile(file, await loadCanonicalSourceContent(taskId, file.id))
     )))
     bindings.previewItems.value = preservePreviews
       ? await loadAllPreviews(taskId, bindings.mapPreviewItem)