feat: 更新后端平台模块、前端组件及构建产物，新增工作计划文档

- 更新 backend 平台 API endpoints 及 platform_store
- 更新前端 ComputeNodesView、DataProcessCreateView、FineTuneCreateView 等组件
- 更新前端 API 模块（compute、fineTune）
- 重构 frontend/dist 构建产物（新 hash）
- 新增 docs/2026-07-24-work-plan.md 工作计划文档

Co-Authored-By: Claude <noreply@anthropic.com>

frontend/src/views/fine-tune/FineTuneCreateView.vue

@@ -6,9 +6,11 @@ import PageCard from '@/components/PageCard.vue'
 import ModelSelectDialog from '@/components/ModelSelectDialog.vue'
 import {
   createFineTune,
+  preflightFineTune,
   startFineTune,
   updateFineTune,
   checkFineTuneName,
+  type FineTunePreflightResult,
 } from '@/api/modules/fineTune'
 import { getModelList } from '@/api/modules/model'
 import { getDatasetList } from '@/api/modules/dataset'
@@ -27,6 +29,8 @@ import type { ModelItem, DatasetItem, GpuInfo } from '@/types'
 const router = useRouter()
 const formRef = ref<FormInstance>()
 const submitting = ref(false)
+const preflightLoading = ref(false)
+const preflightResult = ref<FineTunePreflightResult | null>(null)
 
 const models = ref<ModelItem[]>([])
 const datasets = ref<DatasetItem[]>([])
@@ -60,6 +64,12 @@ const modelDialogTitle = computed(() => selectedModel.value?.name || '')
 /** 训练命令与提交载荷共用同一份表单模型。 */
 const commandPreview = computed(() => buildFineTuneCommand(form, selectedGpus.value))
 
+const remoteCommandPreview = computed(() => {
+  const command = preflightResult.value?.preview?.command
+  if (Array.isArray(command) && command.length) return command.join(' ')
+  return preflightResult.value?.preview?.command_text || ''
+})
+
 /** GPU 多选切换 */
 function toggleGpu(index: number) {
   const idx = selectedGpus.value.indexOf(index)
@@ -184,6 +194,11 @@ async function handleSubmit() {
       }
 
       const payload = buildFineTunePayload(form, selectedGpus.value)
+      const preflight = await runPreflight(payload)
+      if (!preflight?.valid) {
+        ElMessage.error('训练预检未通过，请先处理预检问题')
+        return
+      }
       const createRes = await createFineTune(toCreateFineTunePayload(payload))
       const taskId = createRes.id
 
@@ -203,6 +218,43 @@ async function handleSubmit() {
   })
 }
 
+async function runPreflight(payload = buildFineTunePayload(form, selectedGpus.value)) {
+  preflightLoading.value = true
+  try {
+    const result = await preflightFineTune(payload)
+    preflightResult.value = result
+    if (result.valid) {
+      ElMessage.success('训练预检通过')
+    } else {
+      ElMessage.warning('训练预检未通过')
+    }
+    return result
+  } catch {
+    preflightResult.value = {
+      valid: false,
+      errors: ['预检接口调用失败，请检查后端服务和算力节点连接'],
+      warnings: [],
+      diagnostics: [{ level: 'error', title: '预检调用失败', suggestion: '请确认后端服务可访问 Compute API，并检查浏览器或后端日志。' }],
+    }
+    ElMessage.error('训练预检失败')
+    return preflightResult.value
+  } finally {
+    preflightLoading.value = false
+  }
+}
+
+async function handlePreflightClick() {
+  if (!formRef.value) return
+  await formRef.value.validate(async (valid) => {
+    if (!valid) return
+    if (selectedGpus.value.length === 0) {
+      ElMessage.warning('请至少选择一个 GPU')
+      return
+    }
+    await runPreflight()
+  })
+}
+
 function handleCancel() {
   router.back()
 }
@@ -437,9 +489,47 @@ onMounted(() => {
 
         <!-- 训练命令预览 -->
         <el-divider content-position="left">训练命令预览</el-divider>
+        <div class="preflight-actions">
+          <el-button type="primary" plain :loading="preflightLoading" @click="handlePreflightClick">
+            <i class="fa fa-check-circle-o" style="margin-right: 4px;" /> 预检训练配置
+          </el-button>
+          <span class="preflight-hint">预检会调用后端调度和 Compute validate，提前检查数据格式、模型路径、GPU 条件和真实训练命令。</span>
+        </div>
         <div class="command-preview-wrapper">
           <pre class="command-preview">{{ commandPreview }}</pre>
         </div>
+        <div v-if="preflightResult" class="preflight-panel" :class="{ 'is-valid': preflightResult.valid, 'is-invalid': !preflightResult.valid }">
+          <div class="preflight-header">
+            <strong>{{ preflightResult.valid ? '预检通过' : '预检未通过' }}</strong>
+            <span v-if="preflightResult.node">
+              调度节点：{{ preflightResult.node.code || preflightResult.node.name || preflightResult.node.id }}
+            </span>
+          </div>
+          <div v-if="remoteCommandPreview" class="preflight-section">
+            <span class="section-label">后端真实命令</span>
+            <pre class="command-preview remote">{{ remoteCommandPreview }}</pre>
+          </div>
+          <div v-if="preflightResult.errors?.length" class="preflight-section">
+            <span class="section-label">错误</span>
+            <ul>
+              <li v-for="item in preflightResult.errors" :key="item">{{ item }}</li>
+            </ul>
+          </div>
+          <div v-if="preflightResult.warnings?.length" class="preflight-section">
+            <span class="section-label">警告</span>
+            <ul>
+              <li v-for="item in preflightResult.warnings" :key="item">{{ item }}</li>
+            </ul>
+          </div>
+          <div v-if="preflightResult.diagnostics?.length" class="preflight-section">
+            <span class="section-label">诊断建议</span>
+            <ul>
+              <li v-for="item in preflightResult.diagnostics" :key="item.title">
+                <strong>{{ item.title }}：</strong>{{ item.suggestion }}
+              </li>
+            </ul>
+          </div>
+        </div>
 
         <div class="form-actions-wrapper">
           <el-button type="primary" :loading="submitting" @click="handleSubmit">创建并启动训练</el-button>
@@ -604,6 +694,67 @@ onMounted(() => {
   margin-bottom: 22px;
 }
 
+.preflight-actions {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  margin: 0 0 12px 80px;
+}
+
+.preflight-hint {
+  color: #64748b;
+  font-size: 12px;
+}
+
+.preflight-panel {
+  margin: -8px 0 24px 80px;
+  border: 1px solid #e5e7eb;
+  border-radius: 8px;
+  padding: 14px 16px;
+  background: #f8fafc;
+
+  &.is-valid {
+    border-color: #bbf7d0;
+    background: #f0fdf4;
+  }
+
+  &.is-invalid {
+    border-color: #fecaca;
+    background: #fef2f2;
+  }
+}
+
+.preflight-header {
+  display: flex;
+  align-items: center;
+  gap: 16px;
+  margin-bottom: 10px;
+  color: #111827;
+
+  span {
+    color: #64748b;
+    font-size: 12px;
+  }
+}
+
+.preflight-section {
+  margin-top: 10px;
+
+  ul {
+    margin: 6px 0 0;
+    padding-left: 18px;
+    color: #374151;
+    line-height: 1.7;
+  }
+}
+
+.section-label {
+  display: inline-flex;
+  color: #475569;
+  font-size: 12px;
+  font-weight: 700;
+}
+
 .field-tip {
   color: #909399;
   font-size: 12px;
@@ -637,6 +788,11 @@ onMounted(() => {
   overflow-x: auto;
   width: 100%;
   margin: 0;
+
+  &.remote {
+    margin-top: 6px;
+    background: #111827;
+  }
 }
 
 .model-picker-input {