feat: 数据处理向导新增生成控制选项

提取 GenerationOptionsPanel 组件统一管理生成模型、温度、最大长度、JSON 模式与质量过滤配置，StructuredProcessOptions 与 UnstructuredProcessOptions 继承 GenerationControlOptions，CreateView、TaskSetupStep 及各子步骤同步接入，详情/列表小幅调整，回归脚本扩充生成选项断言。

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

@@ -2,6 +2,7 @@
 import { computed, nextTick, onBeforeUnmount, onMounted, reactive, ref, watch } from 'vue'
 import { onBeforeRouteLeave, useRouter } from 'vue-router'
 import { ElMessage, type UploadFile } from 'element-plus'
+import { storeToRefs } from 'pinia'
 import AppConfirmDialog from '@/components/AppConfirmDialog.vue'
 import TaskSetupStep from './create/TaskSetupStep.vue'
 import SourceUploadStep from './create/SourceUploadStep.vue'
@@ -9,6 +10,7 @@ import PreviewCompareStep from './create/PreviewCompareStep.vue'
 import GenerationStep from './create/GenerationStep.vue'
 import ResultEditorStep from './create/ResultEditorStep.vue'
 import { buildPreviewItems, createResults, DEFAULT_SOURCE_TEXT } from './create/previewModel'
+import { useModelsStore } from '@/stores/models'
 import type {
   ExternalDataSource,
   GenerationState,
@@ -21,11 +23,15 @@ import type {
 } from './create/types'
 
 const router = useRouter()
+const modelsStore = useModelsStore()
+const { list: modelList } = storeToRefs(modelsStore)
+const generationModels = computed(() => modelList.value.filter((model) => model.type === 'LLM'))
 const taskSetupRef = ref<InstanceType<typeof TaskSetupStep>>()
 const confirmDialogRef = ref<InstanceType<typeof AppConfirmDialog>>()
 const DRAFT_STORAGE_KEY = 'yg-data-process-create-draft'
-const DRAFT_SCHEMA_VERSION = 4
+const DRAFT_SCHEMA_VERSION = 5
 const PREVIEW_MODEL_VERSION = 'document-chunk-v2'
+const DEFAULT_GENERATION_PROMPT = '你是一名专业的数据生成助手。请根据输入内容生成准确、完整、可直接用于模型训练的问答数据。仅输出符合目标格式的内容，答案应事实清晰、语言自然，不要添加分析过程、说明或无关内容。'
 
 const WIZARD_STEPS = [
   { id: 'create', title: '创建任务', desc: '填写任务信息与处理配置' },
@@ -45,6 +51,15 @@ const structuredOptions = ref<StructuredProcessOptions>({
   semanticEnrichment: false,
   qaPairsPerRow: 1,
   datasetSplit: { train: 80, validation: 10, test: 10 },
+  generationModelId: '',
+  generationPrompt: DEFAULT_GENERATION_PROMPT,
+  temperature: 0.7,
+  maxTokens: 1024,
+  jsonMode: false,
+  qualityFilterEnabled: false,
+  filterLowQuality: true,
+  filterShortContent: true,
+  minOutputLength: 20,
 })
 const unstructuredOptions = ref<UnstructuredProcessOptions>({
   preprocessOptions: [
@@ -66,6 +81,15 @@ const unstructuredOptions = ref<UnstructuredProcessOptions>({
   semanticEnrichment: false,
   qaPairsPerChunk: 1,
   datasetSplit: { train: 80, validation: 10, test: 10 },
+  generationModelId: '',
+  generationPrompt: DEFAULT_GENERATION_PROMPT,
+  temperature: 0.7,
+  maxTokens: 1024,
+  jsonMode: false,
+  qualityFilterEnabled: false,
+  filterLowQuality: true,
+  filterShortContent: true,
+  minOutputLength: 20,
 })
 interface UploadedDataFile {
   uid: number | string
@@ -219,19 +243,45 @@ function previewAffectingOptions() {
 
 function generationAffectingOptions() {
   if (processType.value === 'structured') {
-    const { semanticEnrichment, qaPairsPerRow, datasetSplit } = structuredOptions.value
-    return { semanticEnrichment, qaPairsPerRow, datasetSplit }
+    const {
+      semanticEnrichment, qaPairsPerRow, datasetSplit, generationModelId, generationPrompt,
+      temperature, maxTokens, jsonMode,
+      qualityFilterEnabled, filterLowQuality, filterShortContent, minOutputLength,
+    } = structuredOptions.value
+    return {
+      semanticEnrichment, qaPairsPerRow, datasetSplit, generationModelId, generationPrompt,
+      temperature, maxTokens, jsonMode,
+      qualityFilterEnabled, filterLowQuality, filterShortContent, minOutputLength,
+    }
   }
   if (processType.value === 'unstructured') {
     const {
       semanticEnrichment,
       qaPairsPerChunk,
       datasetSplit,
+      generationModelId,
+      generationPrompt,
+      temperature,
+      maxTokens,
+      jsonMode,
+      qualityFilterEnabled,
+      filterLowQuality,
+      filterShortContent,
+      minOutputLength,
     } = unstructuredOptions.value
     return {
       semanticEnrichment,
       qaPairsPerChunk,
       datasetSplit,
+      generationModelId,
+      generationPrompt,
+      temperature,
+      maxTokens,
+      jsonMode,
+      qualityFilterEnabled,
+      filterLowQuality,
+      filterShortContent,
+      minOutputLength,
     }
   }
   return null
@@ -337,6 +387,31 @@ function restoreDraft() {
         qaPairsPerChunk: Number.isFinite(restoredUnstructuredOptions.qaPairsPerChunk)
           ? restoredUnstructuredOptions.qaPairsPerChunk
           : unstructuredOptions.value.qaPairsPerChunk,
+        generationModelId: restoredUnstructuredOptions.generationModelId ?? unstructuredOptions.value.generationModelId,
+        generationPrompt: typeof restoredUnstructuredOptions.generationPrompt === 'string'
+          ? restoredUnstructuredOptions.generationPrompt
+          : unstructuredOptions.value.generationPrompt,
+        temperature: Number.isFinite(restoredUnstructuredOptions.temperature)
+          ? restoredUnstructuredOptions.temperature
+          : unstructuredOptions.value.temperature,
+        maxTokens: Number.isFinite(restoredUnstructuredOptions.maxTokens)
+          ? restoredUnstructuredOptions.maxTokens
+          : unstructuredOptions.value.maxTokens,
+        jsonMode: typeof restoredUnstructuredOptions.jsonMode === 'boolean'
+          ? restoredUnstructuredOptions.jsonMode
+          : unstructuredOptions.value.jsonMode,
+        qualityFilterEnabled: typeof restoredUnstructuredOptions.qualityFilterEnabled === 'boolean'
+          ? restoredUnstructuredOptions.qualityFilterEnabled
+          : unstructuredOptions.value.qualityFilterEnabled,
+        filterLowQuality: typeof restoredUnstructuredOptions.filterLowQuality === 'boolean'
+          ? restoredUnstructuredOptions.filterLowQuality
+          : unstructuredOptions.value.filterLowQuality,
+        filterShortContent: typeof restoredUnstructuredOptions.filterShortContent === 'boolean'
+          ? restoredUnstructuredOptions.filterShortContent
+          : unstructuredOptions.value.filterShortContent,
+        minOutputLength: Number.isFinite(restoredUnstructuredOptions.minOutputLength)
+          ? restoredUnstructuredOptions.minOutputLength
+          : unstructuredOptions.value.minOutputLength,
         datasetSplit: {
           train: Number.isFinite(restoredDatasetSplit?.train)
             ? restoredDatasetSplit.train
@@ -819,7 +894,10 @@ onBeforeRouteLeave(async () => {
 })
 
 onBeforeUnmount(stopGenerationTimer)
-onMounted(restoreDraft)
+onMounted(() => {
+  restoreDraft()
+  modelsStore.load()
+})
 </script>
 
 <template>
@@ -861,6 +939,7 @@ onMounted(restoreDraft)
             v-model:process-type="processType"
             v-model:structured-options="structuredOptions"
             v-model:unstructured-options="unstructuredOptions"
+            :generation-models="generationModels"
           />
 
           <SourceUploadStep