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-message/src/dto.rs

@@ -1,7 +1,7 @@
 use chrono::{DateTime, Utc};
 use serde::{Deserialize, Serialize};
-use uuid::Uuid;
 use utoipa::ToSchema;
+use uuid::Uuid;
 use validator::Validate;
 
 // ============ 消息 DTO ============