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)

crates/erp-core/src/module.rs

@@ -6,6 +6,7 @@ use crate::events::EventBus;
 
 /// 模块注册接口
 /// 所有业务模块（Auth, Workflow, Message, Config, 行业模块）都实现此 trait
+#[async_trait::async_trait]
 pub trait ErpModule: Send + Sync {
     /// 模块名称（唯一标识）
     fn name(&self) -> &str;
@@ -27,19 +28,13 @@ pub trait ErpModule: Send + Sync {
     fn register_event_handlers(&self, _bus: &EventBus) {}
 
     /// 租户创建时的初始化钩子
-    fn on_tenant_created(
-        &self,
-        _tenant_id: Uuid,
-    ) -> impl std::future::Future<Output = AppResult<()>> + Send {
-        async { Ok(()) }
+    async fn on_tenant_created(&self, _tenant_id: Uuid) -> AppResult<()> {
+        Ok(())
     }
 
     /// 租户删除时的清理钩子
-    fn on_tenant_deleted(
-        &self,
-        _tenant_id: Uuid,
-    ) -> impl std::future::Future<Output = AppResult<()>> + Send {
-        async { Ok(()) }
+    async fn on_tenant_deleted(&self, _tenant_id: Uuid) -> AppResult<()> {
+        Ok(())
     }
 }