Fix/workflow tool incorrect parameter configurations (#3402)

Co-authored-by: Joel <iamjoel007@gmail.com>

api/core/workflow/nodes/tool/entities.py

@@ -1,10 +1,9 @@
-from typing import Literal, Union
+from typing import Any, Literal, Union
 
 from pydantic import BaseModel, validator
 
 from core.workflow.entities.base_node_data_entities import BaseNodeData
 
-ToolParameterValue = Union[str, int, float, bool]
 
 class ToolEntity(BaseModel):
     provider_id: str
@@ -12,11 +11,23 @@ class ToolEntity(BaseModel):
     provider_name: str # redundancy
     tool_name: str
     tool_label: str # redundancy
-    tool_configurations: dict[str, ToolParameterValue]
+    tool_configurations: dict[str, Any]
+
+    @validator('tool_configurations', pre=True, always=True)
+    def validate_tool_configurations(cls, value, values):
+        if not isinstance(value, dict):
+            raise ValueError('tool_configurations must be a dictionary')
+        
+        for key in values.get('tool_configurations', {}).keys():
+            value = values.get('tool_configurations', {}).get(key)
+            if not isinstance(value, str | int | float | bool):
+                raise ValueError(f'{key} must be a string')
+            
+        return value
 
 class ToolNodeData(BaseNodeData, ToolEntity):
     class ToolInput(BaseModel):
-        value: Union[ToolParameterValue, list[str]]
+        value: Union[Any, list[str]]
         type: Literal['mixed', 'variable', 'constant']
 
         @validator('type', pre=True, always=True)
@@ -25,12 +36,16 @@ class ToolNodeData(BaseNodeData, ToolEntity):
             value = values.get('value')
             if typ == 'mixed' and not isinstance(value, str):
                 raise ValueError('value must be a string')
-            elif typ == 'variable' and not isinstance(value, list):
-                raise ValueError('value must be a list')
-            elif typ == 'constant' and not isinstance(value, ToolParameterValue):
+            elif typ == 'variable':
+                if not isinstance(value, list):
+                    raise ValueError('value must be a list')
+                for val in value:
+                    if not isinstance(val, str):
+                        raise ValueError('value must be a list of strings')
+            elif typ == 'constant' and not isinstance(value, str | int | float | bool):
                 raise ValueError('value must be a string, int, float, or bool')
             return typ
-            
+        
     """
     Tool Node Schema
     """