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/entity/mod.rs

@@ -1,10 +1,10 @@
+pub mod department;
+pub mod organization;
+pub mod permission;
+pub mod position;
+pub mod role;
+pub mod role_permission;
 pub mod user;
 pub mod user_credential;
-pub mod user_token;
-pub mod role;
-pub mod permission;
-pub mod role_permission;
 pub mod user_role;
-pub mod organization;
-pub mod department;
-pub mod position;
+pub mod user_token;