feat: add comprehensive backend topics and fix build issues
## 新增内容 ### 附录文档扩展 - 扩展前端项目架构文档 (frontend-project-architecture.md) - 扩展后端项目架构文档 (backend-project-architecture.md) - 扩展数据治理文档 (data-governance.md) - 扩展数据可视化文档 (data-visualization.md) - 扩展分布式系统文档 (distributed-systems.md) - 扩展高可用文档 (high-availability.md) - 扩展单体到微服务文档 (monolith-to-microservices.md) - 扩展系统设计方法论文档 (system-design-methodology.md) - 扩展 Docker 容器文档 (docker-containers.md) - 扩展 Kubernetes 文档 (kubernetes.md) - 扩展 Linux 基础文档 (linux-basics.md) - 扩展神经网络文档 (neural-networks.md) ### 新增交互式组件 - 数据治理组件: DataQualityDemo, DataGovernanceFrameworkDemo, DataLineageDemo - 数据可视化组件: ChartTypeSelectorDemo, DashboardLayoutDemo - 分布式系统组件: CAPTheoremDemo, ConsistencyModelsDemo, DistributedChallengesDemo - 高可用组件: AvailabilityCalculatorDemo, FailoverStrategyDemo - 系统设计组件: SystemDesignStepsDemo, CapacityEstimationDemo - Docker 容器组件: DockerArchitectureDemo, DockerLifecycleDemo - Kubernetes 组件: K8sArchitectureDemo, K8sWorkloadsDemo - Linux 基础组件: LinuxFileSystemDemo, LinuxCommandDemo, LinuxPermissionsDemo - 神经网络组件: NeuronDemo, NetworkLayersDemo, NetworkArchitectureDemo - 单体到微服务组件: ArchEvolutionDemo - 项目架构组件: ProjectArchitectureComparisonDemo - 附录导航组件: AppendixFlowMap ### 英文版重构 - 将 en-us 目录重命名为 en - 更新相关配置和组件中的语言代码 ## Bug 修复 - 修复 index.js 中重复的组件导入语句导致的 build 失败 - 恢复被注释的 InvertedIndexDemo 和 SearchRelevanceDemo 导入 - 修复 HomeFeatures.vue 中 en-us 与 config.mjs 中 en 不一致导致的语言切换问题 ## 其他改进 - 添加构建脚本 (scripts/build.mjs) - 更新依赖版本
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<!--
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ArchEvolutionDemo.vue
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架构演进演示：展示从单体到微服务的演进过程
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-->
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<template>
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<div class="arch-evolution-demo">
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<div class="header">
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<div class="title">架构演进路径</div>
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<div class="subtitle">点击查看每个阶段的架构特点</div>
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</div>
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<div class="stages">
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<div
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v-for="(stage, i) in stages"
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:key="stage.key"
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:class="['stage-card', { active: activeStage === stage.key }]"
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@click="activeStage = stage.key"
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>
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<div class="stage-num">{{ i + 1 }}</div>
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<div class="stage-name">{{ stage.name }}</div>
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</div>
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</div>
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<div v-if="current" class="stage-detail">
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<div class="detail-name">{{ current.name }}</div>
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<div class="detail-desc">{{ current.desc }}</div>
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<div class="arch-visual">
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<div
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v-for="(box, i) in current.boxes"
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:key="i"
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:class="['arch-box', box.type]"
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>
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{{ box.label }}
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</div>
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</div>
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<div class="detail-row">
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<span class="label">适用规模：</span>{{ current.scale }}
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</div>
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<div class="detail-row">
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<span class="label">核心挑战：</span>{{ current.challenge }}
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</div>
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</div>
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</div>
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</template>
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<script setup>
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import { ref, computed } from 'vue'
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const activeStage = ref('monolith')
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const stages = [
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{
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key: 'monolith',
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name: '单体架构',
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desc: '所有功能打包在一个应用中，共享一个数据库。简单直接，适合早期快速迭代。',
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scale: '团队 < 10 人，日活 < 10 万',
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challenge: '代码耦合严重，一个模块的 Bug 可能拖垮整个系统',
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boxes: [
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{ label: '用户模块', type: 'module' },
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{ label: '订单模块', type: 'module' },
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{ label: '支付模块', type: 'module' },
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{ label: '商品模块', type: 'module' },
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{ label: '单体应用（一个进程）', type: 'container' },
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{ label: 'MySQL', type: 'db' }
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]
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},
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{
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key: 'modular',
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name: '模块化单体',
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desc: '在单体内部按业务域划分模块，模块间通过接口通信。是微服务的前置步骤。',
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scale: '团队 10-30 人',
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challenge: '模块边界容易被打破，需要纪律性',
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boxes: [
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{ label: '用户域', type: 'domain' },
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{ label: '订单域', type: 'domain' },
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{ label: '支付域', type: 'domain' },
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{ label: '内部 API 边界', type: 'boundary' },
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{ label: 'MySQL', type: 'db' }
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]
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},
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{
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key: 'soa',
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name: '服务化（SOA）',
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desc: '按业务能力拆分为独立服务，通过 ESB 或 API 网关通信。每个服务可以独立部署。',
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scale: '团队 30-100 人',
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challenge: '服务间调用链变长，需要服务治理',
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boxes: [
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{ label: '用户服务', type: 'service' },
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{ label: '订单服务', type: 'service' },
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{ label: '支付服务', type: 'service' },
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{ label: 'API 网关', type: 'gateway' },
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{ label: '各自数据库', type: 'db' }
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]
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},
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{
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key: 'microservices',
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name: '微服务架构',
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desc: '更细粒度的服务拆分，每个服务独立开发、部署、扩缩容。配合容器化和 K8s。',
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scale: '团队 100+ 人，日活百万+',
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challenge: '分布式复杂性、数据一致性、运维成本',
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boxes: [
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{ label: '用户服务', type: 'service' },
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{ label: '认证服务', type: 'service' },
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{ label: '订单服务', type: 'service' },
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{ label: '库存服务', type: 'service' },
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{ label: '支付服务', type: 'service' },
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{ label: '通知服务', type: 'service' },
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{ label: 'API Gateway + Service Mesh', type: 'gateway' },
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{ label: '独立数据库 x N', type: 'db' }
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]
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}
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]
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const current = computed(() => stages.find(s => s.key === activeStage.value))
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</script>
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<style scoped>
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.arch-evolution-demo {
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border: 1px solid var(--vp-c-divider); background: var(--vp-c-bg-soft);
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border-radius: 12px; padding: 1.5rem; margin: 1.5rem 0;
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}
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.header { margin-bottom: 1rem; }
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.title { font-weight: 700; font-size: 1.1rem; }
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.subtitle { color: var(--vp-c-text-2); font-size: 0.9rem; }
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.stages { display: flex; gap: 0.5rem; margin-bottom: 1rem; flex-wrap: wrap; }
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.stage-card {
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display: flex; align-items: center; gap: 0.4rem;
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padding: 0.4rem 0.75rem; border-radius: 6px; cursor: pointer;
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font-size: 0.85rem; background: var(--vp-c-bg); border: 1px solid var(--vp-c-divider);
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transition: all 0.2s;
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}
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.stage-card:hover { border-color: var(--vp-c-brand); }
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.stage-card.active { border-color: var(--vp-c-brand); background: rgba(var(--vp-c-brand-rgb), 0.05); font-weight: 600; }
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.stage-num {
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width: 20px; height: 20px; border-radius: 50%; background: var(--vp-c-brand);
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color: white; font-size: 0.7rem; font-weight: 700;
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display: flex; align-items: center; justify-content: center;
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}
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.stage-detail { background: var(--vp-c-bg); border-radius: 8px; padding: 1rem; border: 1px solid var(--vp-c-divider); }
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.detail-name { font-weight: 700; font-size: 0.95rem; }
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.detail-desc { color: var(--vp-c-text-2); font-size: 0.82rem; margin-bottom: 0.75rem; }
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.arch-visual { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.75rem; }
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.arch-box {
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padding: 0.35rem 0.6rem; border-radius: 4px; font-size: 0.72rem; font-weight: 600;
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border: 1px dashed var(--vp-c-divider);
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}
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.arch-box.module { background: rgba(var(--vp-c-brand-rgb), 0.06); }
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.arch-box.domain { background: rgba(99,102,241,0.06); }
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.arch-box.service { background: rgba(34,197,94,0.06); }
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.arch-box.gateway { background: rgba(245,158,11,0.06); width: 100%; text-align: center; }
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.arch-box.container { background: rgba(239,68,68,0.06); width: 100%; text-align: center; }
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.arch-box.boundary { background: rgba(156,163,175,0.06); width: 100%; text-align: center; }
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.arch-box.db { background: rgba(139,92,246,0.06); }
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.detail-row { font-size: 0.82rem; margin-bottom: 0.25rem; }
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.label { font-weight: 600; color: var(--vp-c-text-2); }
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</style>
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