feat: 数据集版本管理

新增数据集版本创建、切换、激活与历史追溯能力，Mock 通过 localStorage 持久化版本状态并接入版本接口路由，预览页支持版本对比与内容回滚，列表补充版本入口，回归脚本扩充断言。

frontend/src/mock/data.ts

@@ -30,10 +30,14 @@ export const mockHealth: HealthMetrics = {
 }
 
 export const mockSystemInfo: SystemInfo = {
+  timestamp: '2026-07-12T10:30:00+08:00',
   cpu: {
     percent: 32,
     cores: 8,
     percents: [25, 38, 42, 30, 28, 36, 40, 18],
+    model: 'Intel Xeon Gold 6330',
+    frequency_mhz: 2500,
+    load_1m: 2.56,
   },
   memory: {
     used_gb: 9.2,
@@ -46,20 +50,166 @@ export const mockSystemInfo: SystemInfo = {
     used_gb: 230,
     total_gb: 512,
     percent: 45,
+    read_mb_s: 86.4,
+    write_mb_s: 34.8,
   },
   gpu: [
-    { name: 'NVIDIA A800', gpu_percent: 0, memory_used_gb: 0.0, memory_total_gb: 80, temperature: 32, power_w: 38, fan_speed: 0, clock_mhz: 1410, driver_version: '535.86.10' },
-    { name: 'NVIDIA A800', gpu_percent: 28, memory_used_gb: 22.5, memory_total_gb: 80, temperature: 52, power_w: 165, fan_speed: 32, clock_mhz: 1410, driver_version: '535.86.10' },
-    { name: 'NVIDIA A800', gpu_percent: 73, memory_used_gb: 58.7, memory_total_gb: 80, temperature: 68, power_w: 320, fan_speed: 58, clock_mhz: 1410, driver_version: '535.86.10' },
-    { name: 'NVIDIA A800', gpu_percent: 0, memory_used_gb: 0.0, memory_total_gb: 80, temperature: 34, power_w: 42, fan_speed: 0, clock_mhz: 1410, driver_version: '535.86.10' },
-    { name: 'NVIDIA A800', gpu_percent: 46, memory_used_gb: 36.8, memory_total_gb: 80, temperature: 60, power_w: 210, fan_speed: 42, clock_mhz: 1410, driver_version: '535.86.10' },
-    { name: 'NVIDIA A800', gpu_percent: 0, memory_used_gb: 0.0, memory_total_gb: 80, temperature: 33, power_w: 40, fan_speed: 0, clock_mhz: 1410, driver_version: '535.86.10' },
-    { name: 'NVIDIA A800', gpu_percent: 85, memory_used_gb: 68.2, memory_total_gb: 80, temperature: 73, power_w: 365, fan_speed: 62, clock_mhz: 1410, driver_version: '535.86.10' },
-    { name: 'NVIDIA A800', gpu_percent: 15, memory_used_gb: 12.0, memory_total_gb: 80, temperature: 45, power_w: 95, fan_speed: 22, clock_mhz: 1410, driver_version: '535.86.10' },
+    {
+      id: 0,
+      uuid: 'GPU-MOCK-A800-00',
+      name: 'NVIDIA A800',
+      status: 'idle',
+      gpu_percent: 0,
+      memory_used_gb: 0,
+      memory_total_gb: 80,
+      memory_percent: 0,
+      temperature: 32,
+      power_w: 38,
+      power_limit_w: 400,
+      fan_speed: 0,
+      clock_mhz: 1410,
+      driver_version: '535.86.10',
+      processes: [],
+    },
+    {
+      id: 1,
+      uuid: 'GPU-MOCK-A800-01',
+      name: 'NVIDIA A800',
+      status: 'busy',
+      gpu_percent: 28,
+      memory_used_gb: 22.5,
+      memory_total_gb: 80,
+      memory_percent: 28.1,
+      temperature: 52,
+      power_w: 165,
+      power_limit_w: 400,
+      fan_speed: 32,
+      clock_mhz: 1410,
+      driver_version: '535.86.10',
+      processes: [
+        { pid: 18421, name: 'python', task_name: '指令微调任务', user: 'trainer', memory_used_gb: 18.6 },
+        { pid: 18503, name: 'python', task_name: '训练指标采集', user: 'trainer', memory_used_gb: 3.9 },
+      ],
+    },
+    {
+      id: 2,
+      uuid: 'GPU-MOCK-A800-02',
+      name: 'NVIDIA A800',
+      status: 'busy',
+      gpu_percent: 73,
+      memory_used_gb: 58.7,
+      memory_total_gb: 80,
+      memory_percent: 73.4,
+      temperature: 68,
+      power_w: 320,
+      power_limit_w: 400,
+      fan_speed: 58,
+      clock_mhz: 1410,
+      driver_version: '535.86.10',
+      processes: [
+        { pid: 20118, name: 'python', task_name: '大模型推理服务', user: 'inference', memory_used_gb: 56.4 },
+        { pid: 20207, name: 'python', task_name: '推理指标采集', user: 'inference', memory_used_gb: 2.3 },
+      ],
+    },
+    {
+      id: 3,
+      uuid: 'GPU-MOCK-A800-03',
+      name: 'NVIDIA A800',
+      status: 'idle',
+      gpu_percent: 0,
+      memory_used_gb: 0,
+      memory_total_gb: 80,
+      memory_percent: 0,
+      temperature: 34,
+      power_w: 42,
+      power_limit_w: 400,
+      fan_speed: 0,
+      clock_mhz: 1410,
+      driver_version: '535.86.10',
+      processes: [],
+    },
+    {
+      id: 4,
+      uuid: 'GPU-MOCK-A800-04',
+      name: 'NVIDIA A800',
+      status: 'busy',
+      gpu_percent: 46,
+      memory_used_gb: 36.8,
+      memory_total_gb: 80,
+      memory_percent: 46,
+      temperature: 60,
+      power_w: 210,
+      power_limit_w: 400,
+      fan_speed: 42,
+      clock_mhz: 1410,
+      driver_version: '535.86.10',
+      processes: [
+        { pid: 22680, name: 'python', task_name: '批量评测任务', user: 'evaluation', memory_used_gb: 32 },
+        { pid: 22814, name: 'python', task_name: '模型裁判服务', user: 'evaluation', memory_used_gb: 4.8 },
+      ],
+    },
+    {
+      id: 5,
+      uuid: 'GPU-MOCK-A800-05',
+      name: 'NVIDIA A800',
+      status: 'idle',
+      gpu_percent: 0,
+      memory_used_gb: 0,
+      memory_total_gb: 80,
+      memory_percent: 0,
+      temperature: 33,
+      power_w: 40,
+      power_limit_w: 400,
+      fan_speed: 0,
+      clock_mhz: 1410,
+      driver_version: '535.86.10',
+      processes: [],
+    },
+    {
+      id: 6,
+      uuid: 'GPU-MOCK-A800-06',
+      name: 'NVIDIA A800',
+      status: 'warning',
+      gpu_percent: 85,
+      memory_used_gb: 68.2,
+      memory_total_gb: 80,
+      memory_percent: 85.3,
+      temperature: 73,
+      power_w: 365,
+      power_limit_w: 400,
+      fan_speed: 62,
+      clock_mhz: 1410,
+      driver_version: '535.86.10',
+      processes: [
+        { pid: 24129, name: 'python', task_name: '全参数训练任务', user: 'trainer', memory_used_gb: 63.5 },
+        { pid: 24211, name: 'python', task_name: '训练检查点保存', user: 'trainer', memory_used_gb: 4.7 },
+      ],
+    },
+    {
+      id: 7,
+      uuid: 'GPU-MOCK-A800-07',
+      name: 'NVIDIA A800',
+      status: 'busy',
+      gpu_percent: 15,
+      memory_used_gb: 12,
+      memory_total_gb: 80,
+      memory_percent: 15,
+      temperature: 45,
+      power_w: 95,
+      power_limit_w: 400,
+      fan_speed: 22,
+      clock_mhz: 1410,
+      driver_version: '535.86.10',
+      processes: [
+        { pid: 25367, name: 'python', task_name: '在线推理服务', user: 'inference', memory_used_gb: 12 },
+      ],
+    },
   ],
   network: {
     download_mb: 1024,
     upload_mb: 256,
+    download_mb_s: 42.6,
+    upload_mb_s: 12.4,
   },
   system: {
     uptime_seconds: 86400 * 3 + 3600 * 7 + 1800,
@@ -112,8 +262,6 @@ export const mockDatasets: DatasetItem[] = [
     create_time: '2025-12-20T08:00:00Z',
     files: [
       { id: 'finance-train-jsonl', name: 'finance_train.jsonl', size: '86.4 MB' },
-      { id: 'finance-validation-jsonl', name: 'finance_validation.jsonl', size: '21.8 MB' },
-      { id: 'dataset-readme', name: 'README.md', size: '4.2 KB' },
     ],
   },
   { id: 2, name: '法律文书-训练集', type: 'train', storage_type: 'local', source: 'upload', size: '256 MB', count: 15230, description: '法律文书数据集', create_time: '2025-12-25T10:30:00Z' },
@@ -129,10 +277,7 @@ export const mockDatasets: DatasetItem[] = [
   ...dataset,
   files: dataset.files?.length
     ? dataset.files
-    : [
-        { id: `dataset-${dataset.id}-samples`, name: 'dataset_samples.jsonl', size: dataset.size || '12.8 MB' },
-        { id: `dataset-${dataset.id}-readme`, name: 'README.md', size: '3.8 KB' },
-      ],
+    : [{ id: `dataset-${dataset.id}-samples`, name: 'dataset_samples.jsonl', size: dataset.size || '12.8 MB' }],
 }))
 
 export const mockDatasetPreviews: Record<string, string> = {