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/system/TrainingLogView.vue

@@ -8,7 +8,7 @@ import TrainingTaskOverview from './training-log/TrainingTaskOverview.vue'
 import { usePolling } from '@/composables/usePolling'
 import '@/plugins/echarts-training-log'
 import { useModelsStore } from '@/stores/models'
-import { getFineTune, getFineTuneLogs } from '@/api/modules/fineTune'
+import { getFineTune, getFineTuneDiagnostics, getFineTuneLogs, type TrainingDiagnostic } from '@/api/modules/fineTune'
 import { getTrainingLogFiles, getTrainingLogContent } from '@/api/modules/log'
 import { getDataset } from '@/api/modules/dataset'
 import { getSystemInfo } from '@/api/modules/system'
@@ -35,6 +35,7 @@ const logContent = ref('')
 const gpuPool = ref<GpuInfo[]>([])
 const gpuUpdatedAt = ref<Date | null>(null)
 const gpuLoadError = ref('')
+const diagnostics = ref<TrainingDiagnostic[]>([])
 
 /** 初始加载状态：首次数据返回前显示 loading，避免空白闪烁 */
 const loading = ref(true)
@@ -247,6 +248,19 @@ async function loadLog(currentTask: FineTuneTask) {
   }
 }
 
+async function loadDiagnostics(currentTask: FineTuneTask) {
+  if (currentTask.status !== 'failed') {
+    diagnostics.value = []
+    return
+  }
+  try {
+    const result = await getFineTuneDiagnostics(currentTask.id)
+    diagnostics.value = result.diagnostics || []
+  } catch {
+    diagnostics.value = []
+  }
+}
+
 async function refreshAll() {
   if (refreshInFlight) return
   refreshInFlight = true
@@ -262,7 +276,7 @@ async function refreshAll() {
     const datasetPromise = currentTask.train_dataset_id
       ? loadDataset(currentTask.train_dataset_id)
       : Promise.resolve()
-    await Promise.all([datasetPromise, loadLog(currentTask), loadGpuStatus()])
+    await Promise.all([datasetPromise, loadLog(currentTask), loadGpuStatus(), loadDiagnostics(currentTask)])
   } finally {
     loading.value = false
     refreshInFlight = false
@@ -535,6 +549,15 @@ onMounted(async () => {
       </div>
     </PageCard>
 
+    <PageCard v-if="diagnostics.length" class="diagnostics-card" title="失败诊断" subtitle="根据训练日志和失败原因生成的排查建议">
+      <div class="diagnostics-list">
+        <article v-for="item in diagnostics" :key="item.title" class="diagnostics-item">
+          <strong>{{ item.title }}</strong>
+          <p>{{ item.suggestion }}</p>
+        </article>
+      </div>
+    </PageCard>
+
     <!-- 原始日志 -->
     <PageCard class="log-card" title="训练日志" subtitle="查看训练任务的原始运行输出">
       <template #extra><span class="log-meta">{{ logLineCount }} 行 · 每 5 秒刷新</span></template>
@@ -634,6 +657,7 @@ onMounted(async () => {
 .summary-card,
 .parameters-card,
 .metrics-panel,
+.diagnostics-card,
 .log-card {
   margin-bottom: 0;
   border: 1px solid #e4e7ed !important;
@@ -641,6 +665,28 @@ onMounted(async () => {
   box-shadow: none !important;
 }
 
+.diagnostics-list {
+  display: grid;
+  gap: 10px;
+}
+
+.diagnostics-item {
+  border: 1px solid #fecaca;
+  border-radius: 8px;
+  padding: 12px 14px;
+  background: #fef2f2;
+
+  strong {
+    color: #991b1b;
+  }
+
+  p {
+    margin: 6px 0 0;
+    color: #374151;
+    line-height: 1.7;
+  }
+}
+
 .overview-card-header {
   display: flex;
   align-items: flex-start;