chore: apply cargo fmt across workspace and update docs

- Run cargo fmt on all Rust crates for consistent formatting
- Update CLAUDE.md with WASM plugin commands and dev.ps1 instructions
- Update wiki: add WASM plugin architecture, rewrite dev environment docs
- Minor frontend cleanup (unused imports)

crates/erp-auth/src/handler/role_handler.rs

@@ -9,9 +9,9 @@ use uuid::Uuid;
 
 use crate::auth_state::AuthState;
 use crate::dto::{AssignPermissionsReq, CreateRoleReq, PermissionResp, RoleResp, UpdateRoleReq};
-use erp_core::rbac::require_permission;
 use crate::service::permission_service::PermissionService;
 use crate::service::role_service::RoleService;
+use erp_core::rbac::require_permission;
 
 /// GET /api/v1/roles
 ///