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-config/src/handler/dictionary_handler.rs

@@ -97,14 +97,8 @@ where
 {
     require_permission(&ctx, "dictionary.update")?;
 
-    let dictionary = DictionaryService::update(
-        id,
-        ctx.tenant_id,
-        ctx.user_id,
-        &req,
-        &state.db,
-    )
-    .await?;
+    let dictionary =
+        DictionaryService::update(id, ctx.tenant_id, ctx.user_id, &req, &state.db).await?;
 
     Ok(Json(ApiResponse::ok(dictionary)))
 }
@@ -185,14 +179,8 @@ where
     req.validate()
         .map_err(|e| AppError::Validation(e.to_string()))?;
 
-    let item = DictionaryService::add_item(
-        dict_id,
-        ctx.tenant_id,
-        ctx.user_id,
-        &req,
-        &state.db,
-    )
-    .await?;
+    let item =
+        DictionaryService::add_item(dict_id, ctx.tenant_id, ctx.user_id, &req, &state.db).await?;
 
     Ok(Json(ApiResponse::ok(item)))
 }
@@ -214,20 +202,12 @@ where
     require_permission(&ctx, "dictionary.update")?;
 
     // 验证 item_id 属于 dict_id
-    let item = DictionaryService::update_item(
-        item_id,
-        ctx.tenant_id,
-        ctx.user_id,
-        &req,
-        &state.db,
-    )
-    .await?;
+    let item = DictionaryService::update_item(item_id, ctx.tenant_id, ctx.user_id, &req, &state.db)
+        .await?;
 
     // 确保 item 属于指定的 dictionary
     if item.dictionary_id != dict_id {
-        return Err(AppError::Validation(
-            "字典项不属于指定的字典".to_string(),
-        ));
+        return Err(AppError::Validation("字典项不属于指定的字典".to_string()));
     }
 
     Ok(Json(ApiResponse::ok(item)))