Merge branch 'release/v0.2.8' into develop

* release/v0.2.8: (23 commits)
  [add] migration script
  fix(workflow and tool): Output processing modification of tool nodes and error modification for tool tests
  feat(workflow): add configurable workflow feature options
  fix(web): app features
  fix(web): app features
  fix(web): app bugfix
  fix(web): agent add tools bugfix
  fix(web): workflow node ports bugfix
  fix(web): my sharing app add empty
  fix(app): The bugs that were fixed in the previous version but were later rolled back.
  fix(web): app sharing bugfix
  fix(app): 1.The end users are still bound to the app. 2. Multi-modal file support includes xlsx, csv, and json. 3. The file routing protocol is consistent with the page routing.
  fix(web): audio recorder add max size check
  fix(web): max_file_count precision
  feat(workflow): expose workflow memory enable status in app share config API
  revert(web): file download
  fix(perceptual): resolve inconsistency between local filename and actual filename
  fix(multimodel): filter unsupported files during perception memory write
  fix(web): file download
  fix(web): file download
  ...

api/app/core/tools/mcp/base.py

@@ -195,6 +195,6 @@ class MCPToolManager:
         except Exception as e:
             return {
                 "success": False,
-                "error": str(e),
-                "message": "连接失败"
+                "error": "连接失败",
+                "message": str(e)
             }

api/app/core/workflow/engine/stream_output_coordinator.py

@@ -5,7 +5,7 @@
 import re
 from typing import AsyncGenerator
 
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, Field, PrivateAttr
 
 from app.core.logging_config import get_logger
 from app.core.workflow.engine.variable_pool import VariablePool
@@ -52,10 +52,11 @@ class OutputContent(BaseModel):
         )
     )
 
-    _SCOPE: str | None = None
+    _SCOPE: str | None = PrivateAttr(default=None)
 
-    def get_scope(self) -> str:
-        self._SCOPE = SCOPE_PATTERN.findall(self.literal)[0]
+    def get_scope(self) -> str | None:
+        matches = SCOPE_PATTERN.findall(self.literal)
+        self._SCOPE = matches[0] if matches else None
         return self._SCOPE
 
     def depends_on_scope(self, scope: str) -> bool:
@@ -68,6 +69,8 @@ class OutputContent(BaseModel):
         Returns:
             bool: True if this segment references the given scope.
         """
+        if not self.is_variable:
+            return False
         if self._SCOPE:
             return self._SCOPE == scope
         return self.get_scope() == scope
@@ -152,7 +155,7 @@ class StreamOutputConfig(BaseModel):
         """
 
         # Case 1: resolve control branch dependency
-        if scope in self.control_nodes.keys():
+        if scope in self.control_nodes:
             if status is None:
                 raise RuntimeError("[Stream Output] Control node activation status not provided")
             if status in self.control_nodes[scope]:

api/app/core/workflow/nodes/tool/node.py

@@ -27,7 +27,6 @@ class ToolNode(BaseNode):
     def _output_types(self) -> dict[str, VariableType]:
         return {
             "data": VariableType.STRING,
-            "error_code": VariableType.STRING,
             "execution_time": VariableType.NUMBER
         }
 
@@ -48,10 +47,7 @@ class ToolNode(BaseNode):
 
         if not tenant_id:
             logger.error(f"节点 {self.node_id} 缺少租户ID")
-            return {
-                "success": False,
-                "data": "缺少租户ID"
-            }
+            raise ValueError("缺少租户ID")
 
         # 渲染工具参数
         rendered_parameters = {}
@@ -83,13 +79,8 @@ class ToolNode(BaseNode):
             logger.info(f"节点 {self.node_id} 工具执行成功")
             return {
                 "data": result.data if isinstance(result.data, str) else json.dumps(result.data, ensure_ascii=False),
-                "error_code": "",
                 "execution_time": result.execution_time
             }
         else:
             logger.error(f"节点 {self.node_id} 工具执行失败: {result.error}")
-            return {
-                "data": result.error if isinstance(result.error, str) else json.dumps(result.error, ensure_ascii=False),
-                "error_code": result.error_code,
-                "execution_time": result.execution_time
-            }
+            raise ValueError(f"工具执行失败: {result.error if isinstance(result.error, str) else json.dumps(result.error, ensure_ascii=False)}")