feat: 升级Resource消息系统，增加uuid和klass字段

Resource.msg新增uuid和klass字段支持ResourceDictInstance完整序列化，
message_converter增加Resource消息与Python dict的双向转换，
workstation和base_device_node增加资源同步相关功能。

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

unilabos/devices/workstation/workstation_base.py

@@ -197,6 +197,28 @@ class WorkstationBase(ABC):
         self._ros_node = workstation_node
         logger.info(f"工作站 {self._ros_node.device_id} 关联协议节点")
 
+    # ============ 物料转运回调 ============
+
+    def resource_tree_batch_transfer(
+        self,
+        transfers: list,
+        old_parents: list,
+        new_parents: list,
+    ) -> None:
+        """批量物料转运完成后的回调，供子类重写
+
+        默认实现：逐个调用 resource_tree_transfer（如存在）。
+
+        Args:
+            transfers: 转移列表，每项包含 resource, from_parent, to_parent, to_site 等
+            old_parents: 每个物料转移前的原父节点
+            new_parents: 每个物料转移后的新父节点
+        """
+        func = getattr(self, "resource_tree_transfer", None)
+        if callable(func):
+            for t, old_parent, new_parent in zip(transfers, old_parents, new_parents):
+                func(old_parent, t["resource"], new_parent)
+
     # ============ 设备操作接口 ============
 
     def call_device_method(self, method: str, *args, **kwargs) -> Any:

unilabos/messages/__init__.py

@@ -217,6 +217,24 @@ class AGVTransferProtocol(BaseModel):
     from_repo_position: str
     to_repo_position: str
 
+
+class BatchTransferItem(BaseModel):
+    """批量转运中的单个物料条目"""
+    resource_uuid: str = ""
+    resource_id: str = ""
+    from_position: str
+    to_position: str
+
+
+class BatchTransferProtocol(BaseModel):
+    """批量物料转运协议 — 支持多物料一次性从来源工站转运到目标工站"""
+    from_repo: dict
+    to_repo: dict
+    transfer_resources: list  # list[Resource dict]，被转运的物料
+    from_positions: list      # list[str]，来源 slot 位置（与 transfer_resources 平行）
+    to_positions: list        # list[str]，目标 slot 位置（与 transfer_resources 平行）
+
+
 #=============新添加的新的协议================
 class AddProtocol(BaseModel):
     vessel: dict
@@ -629,15 +647,16 @@ class HydrogenateProtocol(BaseModel):
     vessel: dict = Field(..., description="反应容器")
 
 __all__ = [
-    "Point3D", "PumpTransferProtocol", "CleanProtocol", "SeparateProtocol", 
-    "EvaporateProtocol", "EvacuateAndRefillProtocol", "AGVTransferProtocol", 
-    "CentrifugeProtocol", "AddProtocol", "FilterProtocol", 
+    "Point3D", "PumpTransferProtocol", "CleanProtocol", "SeparateProtocol",
+    "EvaporateProtocol", "EvacuateAndRefillProtocol", "AGVTransferProtocol",
+    "BatchTransferItem", "BatchTransferProtocol",
+    "CentrifugeProtocol", "AddProtocol", "FilterProtocol",
     "HeatChillProtocol",
     "HeatChillStartProtocol", "HeatChillStopProtocol",
-    "StirProtocol", "StartStirProtocol", "StopStirProtocol", 
-    "TransferProtocol", "CleanVesselProtocol", "DissolveProtocol", 
+    "StirProtocol", "StartStirProtocol", "StopStirProtocol",
+    "TransferProtocol", "CleanVesselProtocol", "DissolveProtocol",
     "FilterThroughProtocol", "RunColumnProtocol", "WashSolidProtocol",
-    "AdjustPHProtocol", "ResetHandlingProtocol", "DryProtocol", 
+    "AdjustPHProtocol", "ResetHandlingProtocol", "DryProtocol",
     "RecrystallizeProtocol", "HydrogenateProtocol"
 ]
 # End Protocols

unilabos/ros/msgs/message_converter.py

@@ -142,12 +142,16 @@ _msg_converter: Dict[Type, Any] = {
     ),
     Resource: lambda x: Resource(
         id=x.get("id", ""),
+        uuid=x.get("uuid", ""),
         name=x.get("name", ""),
         sample_id=x.get("sample_id", "") or "",
+        description=x.get("description", ""),
         children=list(x.get("children", [])),
         parent=x.get("parent", "") or "",
+        parent_uuid=x.get("parent_uuid", ""),
         type=x.get("type", ""),
-        category=x.get("class", "") or x.get("type", ""),
+        category=x.get("category", "") or x.get("class", "") or x.get("type", ""),
+        klass=x.get("class", "") or x.get("klass", ""),
         pose=(
             Pose(
                 position=Point(
@@ -160,15 +164,11 @@ _msg_converter: Dict[Type, Any] = {
             else Pose()
         ),
         config=json.dumps(x.get("config", {})),
-        data=json.dumps(obtain_data_with_uuid(x)),
+        data=json.dumps(x.get("data", {})),
+        extra=json.dumps(x.get("extra", {})),
     ),
 }
 
-def obtain_data_with_uuid(x: dict):
-    data = x.get("data", {})
-    data["unilabos_uuid"] = x.get("uuid", None)
-    return data
-
 def json_or_yaml_loads(data: str) -> Any:
     try:
         return json.loads(data)
@@ -195,15 +195,20 @@ _msg_converter_back: Dict[Type, Any] = {
     Point: lambda x: Point3D(x=x.x, y=x.y, z=x.z),
     Resource: lambda x: {
         "id": x.id,
+        "uuid": x.uuid if x.uuid else None,
         "name": x.name,
         "sample_id": x.sample_id if x.sample_id else None,
+        "description": x.description if x.description else "",
         "children": list(x.children),
         "parent": x.parent if x.parent else None,
+        "parent_uuid": x.parent_uuid if x.parent_uuid else None,
         "type": x.type,
-        "class": "",
+        "class": x.klass if x.klass else "",
+        "category": x.category if x.category else "",
         "position": {"x": x.pose.position.x, "y": x.pose.position.y, "z": x.pose.position.z},
         "config": json_or_yaml_loads(x.config or "{}"),
         "data": json_or_yaml_loads(x.data or "{}"),
+        "extra": json_or_yaml_loads(x.extra or "{}"),
     },
 }
 

unilabos/ros/nodes/base_device_node.py

@@ -761,6 +761,84 @@ class BaseROS2DeviceNode(Node, Generic[T]):
                     f"物料{plr_resource}请求挂载{tree.root_node.res_content.name}的父节点{parent_resource}[{parent_uuid}]失败！\n{traceback.format_exc()}"
                 )
 
+    def batch_transfer_resources(
+        self,
+        transfers: List[Dict[str, Any]],
+    ) -> List["ResourcePLR"]:
+        """批量转移 PLR 资源：先全部 unassign，再全部 assign，最后一次性回调和同步
+
+        Args:
+            transfers: 转移列表，每项包含:
+                - "resource": PLR 资源对象
+                - "from_parent": 原父节点 (PLR ResourceHolder/WareHouse)
+                - "to_parent": 目标父节点
+                - "to_site": 目标 slot 名称（可选，用于 ItemizedCarrier）
+
+        Returns:
+            成功转移的目标 parent 列表
+        """
+        from pylabrobot.resources.resource import Resource as ResourcePLR
+
+        if not transfers:
+            return []
+
+        # 第一遍：校验所有物料和目标 parent 的合法性
+        for t in transfers:
+            resource = t["resource"]
+            to_parent = t["to_parent"]
+            if resource is None:
+                raise ValueError("转移列表中存在 resource=None")
+            if to_parent is None:
+                raise ValueError(f"物料 {resource} 的目标 parent 为 None")
+
+        # 第二遍：批量 unassign
+        old_parents = []
+        for t in transfers:
+            resource = t["resource"]
+            old_parent = resource.parent
+            old_parents.append(old_parent)
+            if old_parent is not None:
+                self.lab_logger().debug(f"批量 unassign: {resource.name} 从 {old_parent.name}")
+                old_parent.unassign_child_resource(resource)
+            # 从顶级资源列表中移除（避免 figure_resource 重复引用）
+            resource_id = id(resource)
+            for i, r in enumerate(self.resource_tracker.resources):
+                if id(r) == resource_id:
+                    self.resource_tracker.resources.pop(i)
+                    break
+
+        # 第三遍：批量 assign
+        parents = []
+        for t, old_parent in zip(transfers, old_parents):
+            resource = t["resource"]
+            to_parent = t["to_parent"]
+            to_site = t.get("to_site")
+            additional_params = {}
+            if to_site is not None:
+                spec = inspect.signature(to_parent.assign_child_resource)
+                if "spot" in spec.parameters:
+                    ordering_dict = getattr(to_parent, "_ordering", None)
+                    if ordering_dict and to_site in ordering_dict:
+                        additional_params["spot"] = list(ordering_dict.keys()).index(to_site)
+                    else:
+                        additional_params["spot"] = to_site
+            self.lab_logger().debug(f"批量 assign: {resource.name} → {to_parent.name} site={to_site}")
+            to_parent.assign_child_resource(resource, location=None, **additional_params)
+            parents.append(to_parent)
+
+        # 一次性触发 driver 回调
+        func = getattr(self.driver_instance, "resource_tree_batch_transfer", None)
+        if callable(func):
+            func(transfers, old_parents, parents)
+        else:
+            # 兜底：逐个调用 resource_tree_transfer
+            single_func = getattr(self.driver_instance, "resource_tree_transfer", None)
+            if callable(single_func):
+                for t, old_parent, new_parent in zip(transfers, old_parents, parents):
+                    single_func(old_parent, t["resource"], new_parent)
+
+        return parents
+
     async def s2c_resource_tree(self, req: SerialCommand_Request, res: SerialCommand_Response):
         """
         处理资源树更新请求

unilabos/ros/nodes/presets/workstation.py

@@ -340,8 +340,17 @@ class ROS2WorkstationNode(BaseROS2DeviceNode):
                             )  # type: ignore
                             raw_data = json.loads(response.response)
                             tree_set = ResourceTreeSet.from_raw_dict_list(raw_data)
-                            target = tree_set.dump()
-                            protocol_kwargs[k] = target[0][0] if v == "unilabos_msgs/Resource" else target
+
+                            # 传递 ResourceDictInstance（保留树结构），不再调用 dump() 扁平化
+                            if v == "unilabos_msgs/Resource":
+                                # 单个资源：取第一棵树的根节点
+                                root_instance = tree_set.trees[0].root_node if tree_set.trees else None
+                                protocol_kwargs[k] = root_instance.get_plr_nested_dict() if root_instance else protocol_kwargs[k]
+                            else:
+                                # 多个资源：取每棵树的根节点
+                                protocol_kwargs[k] = [
+                                    tree.root_node.get_plr_nested_dict() for tree in tree_set.trees
+                                ]
                         except Exception as ex:
                             self.lab_logger().error(f"查询资源失败: {k}, 错误: {ex}\n{traceback.format_exc()}")
                             raise

unilabos_msgs/msg/Resource.msg

@@ -1,11 +1,16 @@
 string id
+string uuid
 string name
 string sample_id
+string description
 string[] children
 string parent
+string parent_uuid
 string type
 string category
+string klass
 
 geometry_msgs/Pose pose
 string config
-string data
+string data
+string extra