feat(plugin): 批量操作端点 — batch_delete + batch_update

crates/erp-plugin/src/data_dto.rs

@@ -72,3 +72,14 @@ pub struct CountQueryParams {
     /// JSON 格式过滤: {"field":"value"}
     pub filter: Option<String>,
 }
+
+/// 批量操作请求
+#[derive(Debug, Serialize, Deserialize, utoipa::ToSchema)]
+pub struct BatchActionReq {
+    /// 操作类型: "batch_delete" 或 "batch_update"
+    pub action: String,
+    /// 记录 ID 列表（上限 100）
+    pub ids: Vec<String>,
+    /// batch_update 时的更新数据
+    pub data: Option<serde_json::Value>,
+}