fix: 完善数据预处理与 JSON 上传链路

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

@@ -71,7 +71,11 @@ export function useDataProcessGeneration(bindings: GenerationBindings) {
   let generationTimer: ReturnType<typeof setTimeout> | null = null
   let generationRun = 0
   let pollFailureCount = 0
-  let generationStarting = false
+  const generationStarting = ref(false)
+  const generationRestoring = ref(false)
+  const canReturnFromGeneration = computed(() => (
+    generation.status === 'idle' && !generationStarting.value && !generationRestoring.value
+  ))
 
   function stopGenerationTimer() {
     generationRun += 1
@@ -170,14 +174,14 @@ export function useDataProcessGeneration(bindings: GenerationBindings) {
   }
 
   async function startGeneration() {
-    if (generationStarting || generation.status === 'running') return false
+    if (generationStarting.value || generation.status === 'running') return false
     const taskId = bindings.taskId.value
     if (!taskId) {
       ElMessage.error('任务尚未创建，请返回上一步重试')
       return false
     }
 
-    generationStarting = true
+    generationStarting.value = true
     let runId: number | null = null
     try {
       const canStart = await bindings.beforeGenerate?.()
@@ -204,17 +208,18 @@ export function useDataProcessGeneration(bindings: GenerationBindings) {
       generation.message = error instanceof Error ? error.message : '启动数据处理失败，请重试。'
       return false
     } finally {
-      generationStarting = false
+      generationStarting.value = false
     }
   }
 
   async function resumeGeneration() {
     const taskId = bindings.taskId.value
     if (!taskId) return
-    stopGenerationTimer()
-    const activeRunId = generationRun
-    pollFailureCount = 0
+    generationRestoring.value = true
     try {
+      stopGenerationTimer()
+      const activeRunId = generationRun
+      pollFailureCount = 0
       const progress = await getDataProcessProgress(taskId)
       if (activeRunId !== generationRun) return
       if (progress.status === 'running') {
@@ -236,6 +241,8 @@ export function useDataProcessGeneration(bindings: GenerationBindings) {
     } catch (error) {
       generation.status = 'failed'
       generation.message = error instanceof Error ? error.message : '查询任务进度失败，请重试。'
+    } finally {
+      generationRestoring.value = false
     }
   }
 
@@ -430,7 +437,9 @@ export function useDataProcessGeneration(bindings: GenerationBindings) {
 
   return {
     bulkRegeneration,
+    canReturnFromGeneration,
     generation,
+    generationStarting,
     regeneratingResultId,
     resultRegenerationBusy,
     results,