Bugfix/Zod Parsing (#5399)

* implement parseWithTypeConversion - parse a value against a Zod schema with automatic type conversion for common type mismatches

* Enhance parseWithTypeConversion to include maxDepth parameter for recursion control, preventing infinite loops during parsing.

packages/components/nodes/tools/RetrieverTool/RetrieverTool.ts

@@ -3,7 +3,7 @@ import { CallbackManager, CallbackManagerForToolRun, Callbacks, parseCallbackCon
 import { BaseDynamicToolInput, DynamicTool, StructuredTool, ToolInputParsingException } from '@langchain/core/tools'
 import { BaseRetriever } from '@langchain/core/retrievers'
 import { ICommonObject, INode, INodeData, INodeParams } from '../../../src/Interface'
-import { getBaseClasses, resolveFlowObjValue } from '../../../src/utils'
+import { getBaseClasses, resolveFlowObjValue, parseWithTypeConversion } from '../../../src/utils'
 import { SOURCE_DOCUMENTS_PREFIX } from '../../../src/agents'
 import { RunnableConfig } from '@langchain/core/runnables'
 import { VectorStoreRetriever } from '@langchain/core/vectorstores'
@@ -58,7 +58,7 @@ class DynamicStructuredTool<T extends z.ZodObject<any, any, any, any> = z.ZodObj
         }
         let parsed
         try {
-            parsed = await this.schema.parseAsync(arg)
+            parsed = await parseWithTypeConversion(this.schema, arg)
         } catch (e) {
             throw new ToolInputParsingException(`Received tool input did not match expected schema`, JSON.stringify(arg))
         }