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/UserSettingsView.vue

@@ -0,0 +1,65 @@
+<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>