feat: 添加平台管理、计算模块适配器及前端页面更新

- 新增 platform API 端点和存储
- 新增 llama_factory 适配器
- 新增前端 compute、guide、system 等视图页面
- 新增 echarts 插件和 mock 数据
- 更新 Docker 配置、后端配置及文档
- 更新前端路由、API、侧边栏等组件

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

frontend/src/views/system/PermissionDeniedView.vue

@@ -0,0 +1,12 @@
+<template>
+  <section class="simple-page">
+    <h1>无权访问</h1>
+    <p>当前账号没有访问该页面的权限，请联系管理员调整角色或页面权限。</p>
+  </section>
+</template>
+
+<style scoped>
+.simple-page {
+  padding: 24px;
+}
+</style>

frontend/src/views/system/UserCreateView.vue

@@ -0,0 +1,94 @@
+<script setup lang="ts">
+import { reactive, ref } from 'vue'
+import { useRouter } from 'vue-router'
+import { ElMessage } from 'element-plus'
+import { createUser } from '@/api/modules/system'
+import type { CreateUserPayload, PermissionCode } from '@/types'
+
+const router = useRouter()
+const submitting = ref(false)
+
+const form = reactive<CreateUserPayload>({
+  username: '',
+  display_name: '',
+  password: 'platform123',
+  role: 'viewer',
+  status: 'active',
+  permissions: ['dashboard'],
+})
+
+const permissionOptions: PermissionCode[] = [
+  'dashboard',
+  'fine-tune',
+  'model-eval',
+  'model-inference',
+  'model-manage',
+  'dataset',
+  'data-process',
+  'data-convert',
+  'compute',
+  'hardware',
+  'logs',
+  'user-settings',
+]
+
+async function submit() {
+  submitting.value = true
+  try {
+    await createUser(form)
+    ElMessage.success('用户已创建')
+    router.push('/user-settings')
+  } finally {
+    submitting.value = false
+  }
+}
+</script>
+
+<template>
+  <section class="user-create">
+    <h1>创建用户</h1>
+    <el-form :model="form" label-width="110px" class="user-form">
+      <el-form-item label="账号">
+        <el-input v-model="form.username" />
+      </el-form-item>
+      <el-form-item label="显示名称">
+        <el-input v-model="form.display_name" />
+      </el-form-item>
+      <el-form-item label="初始密码">
+        <el-input v-model="form.password" type="password" show-password />
+      </el-form-item>
+      <el-form-item label="角色">
+        <el-select v-model="form.role">
+          <el-option label="管理员" value="admin" />
+          <el-option label="操作员" value="operator" />
+          <el-option label="观察员" value="viewer" />
+        </el-select>
+      </el-form-item>
+      <el-form-item label="状态">
+        <el-radio-group v-model="form.status">
+          <el-radio value="active">启用</el-radio>
+          <el-radio value="disabled">禁用</el-radio>
+        </el-radio-group>
+      </el-form-item>
+      <el-form-item label="页面权限">
+        <el-checkbox-group v-model="form.permissions">
+          <el-checkbox v-for="item in permissionOptions" :key="item" :value="item">{{ item }}</el-checkbox>
+        </el-checkbox-group>
+      </el-form-item>
+      <el-form-item>
+        <el-button @click="router.back()">返回</el-button>
+        <el-button type="primary" :loading="submitting" @click="submit">保存</el-button>
+      </el-form-item>
+    </el-form>
+  </section>
+</template>
+
+<style scoped>
+.user-create {
+  padding: 24px;
+}
+
+.user-form {
+  max-width: 760px;
+}
+</style>

frontend/src/views/system/UserPermissionView.vue

@@ -0,0 +1,12 @@
+<template>
+  <section class="simple-page">
+    <h1>权限设置</h1>
+    <p>第一版已支持账号页面权限读取与保存，精细化项目/模型/数据集权限将在后续版本补齐。</p>
+  </section>
+</template>
+
+<style scoped>
+.simple-page {
+  padding: 24px;
+}
+</style>

frontend/src/views/system/UserSettingsView.vue

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+<script setup lang="ts">
+import { onMounted, ref } from 'vue'
+import { getUsers } from '@/api/modules/system'
+import type { SystemUser } from '@/types'
+
+const loading = ref(false)
+const users = ref<SystemUser[]>([])
+
+async function loadUsers() {
+  loading.value = true
+  try {
+    users.value = await getUsers()
+  } finally {
+    loading.value = false
+  }
+}
+
+onMounted(loadUsers)
+</script>
+
+<template>
+  <section class="user-settings" v-loading="loading">
+    <header class="page-header">
+      <div>
+        <h1>用户设置</h1>
+        <p>管理平台账号、角色状态和页面权限。</p>
+      </div>
+      <el-button type="primary" @click="$router.push('/user-settings/create')">创建用户</el-button>
+    </header>
+
+    <el-table :data="users">
+      <el-table-column prop="username" label="账号" min-width="140" />
+      <el-table-column prop="display_name" label="显示名称" min-width="160" />
+      <el-table-column prop="role" label="角色" width="120" />
+      <el-table-column prop="status" label="状态" width="120" />
+      <el-table-column label="权限数" width="120">
+        <template #default="{ row }">{{ row.permissions?.length || 0 }}</template>
+      </el-table-column>
+      <el-table-column prop="create_time" label="创建时间" min-width="180" />
+    </el-table>
+  </section>
+</template>
+
+<style scoped>
+.user-settings {
+  padding: 24px;
+}
+
+.page-header {
+  display: flex;
+  justify-content: space-between;
+  gap: 16px;
+  margin-bottom: 18px;
+}
+
+.page-header h1 {
+  margin: 0;
+  font-size: 24px;
+}
+
+.page-header p {
+  margin: 8px 0 0;
+  color: #64748b;
+}
+</style>