- Entity: KbArticle(知识库文章), Announcement(公告), KpiDashboard(KPI看板VO)
- Mapper: KbArticleMapper, AnnouncementMapper (MyBatis-Plus)
- Service: KnowledgeBaseService(知识库CRUD+搜索+分类+点赞+热门),
           AnnouncementService(公告发布/编辑/按类型筛选/按范围推送/撤回),
           KpiService(KPI聚合计算:待处理量/时效/满意率/趋势/排行)
- Controller: CsSupportController (/api/revenue/cs/*)
- SQL DDL: V_cs_support.sql (cs_kb_article + cs_announcement 表+示例数据)
- Frontend: KnowledgeBaseView.vue(列表/卡片/Markdown编辑器),
            AnnouncementView.vue(类型标签/状态切换/时间范围),
            KpiDashboardView.vue(ECharts趋势图+饼图+排行)
- Unit Test: CsSupportServiceTest (知识库/公告/KPI三组测试)
- Router: 新增 /cs/knowledge, /cs/announcement, /cs/kpi 路由

- Maven 父工程 wm-parent (Spring Boot 3.3.5 + Cloud 2023.0.3 + Alibaba 2023.0.1)
- 12个子模块: wm-common/gateway/base/iot/data-engine/bpm/production/revenue/patrol/bi/notify/job
- wm-common: 统一响应 R<T> + 全局异常处理 + BusinessException
- wm-gateway: Spring Cloud Gateway 路由配置（7个微服务路由）
- 集成: Nacos(注册/配置) + PostgreSQL + Redis + Kafka + Sa-Token + MyBatis-Plus + Knife4j
- docker-compose.yml: 一键启动10个中间件(PG+PostGIS/TDengine/Redis/Kafka/EMQX/Nacos/ES/Kibana/MinIO/GeoServer)