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)

Cargo.toml

@@ -8,6 +8,7 @@ members = [
     "crates/erp-workflow",
     "crates/erp-message",
     "crates/erp-config",
+    "crates/erp-server/migration",
 ]
 
 [workspace.package]
@@ -60,7 +61,8 @@ argon2 = "0.5"
 
 # API docs
 utoipa = { version = "5", features = ["axum_extras", "uuid", "chrono"] }
-utoipa-swagger-ui = { version = "8", features = ["axum"] }
+# utoipa-swagger-ui 需要下载 GitHub 资源，网络受限时暂不使用
+# utoipa-swagger-ui = { version = "8", features = ["axum"] }
 
 # Validation
 validator = { version = "0.19", features = ["derive"] }