feat: complete Phase 1 infrastructure

- erp-core: error types, shared types, event bus, ErpModule trait
- erp-server: config loading, database/Redis connections, migrations
- erp-server/migration: tenants table with SeaORM
- apps/web: Vite + React 18 + TypeScript + Ant Design 5 + TailwindCSS
- Web frontend: main layout with sidebar, header, routing
- Docker: PostgreSQL 16 + Redis 7 development environment
- All workspace crates compile successfully (cargo check passes)

CLAUDE.md

@@ -1,3 +1,5 @@
+@wiki/index.md
+
 # ERP 平台底座 — 协作与实现规则
 
 > **ERP Platform Base** 是一个模块化的商业 SaaS ERP 底座，目标是提供核心基础设施（身份权限、工作流、消息、配置），使行业业务模块（进销存、生产、财务等）可以快速插接。