fix:#18447:When variables in the workflow are deleted or modified, it is impossible to visually identify subsequent node errors (#18554)

Co-authored-by: crazywoola <427733928@qq.com>

web/app/components/workflow/nodes/tool/default.ts

@@ -1,8 +1,9 @@
 import { BlockEnum } from '../../types'
-import type { NodeDefault } from '../../types'
+import type { NodeDefault, Var } from '../../types'
 import type { ToolNodeType } from './types'
 import { VarType as VarKindType } from '@/app/components/workflow/nodes/tool/types'
 import { ALL_CHAT_AVAILABLE_BLOCKS, ALL_COMPLETION_AVAILABLE_BLOCKS } from '@/app/components/workflow/blocks'
+import { getNotExistVariablesByArray, getNotExistVariablesByText } from '../../utils/workflow'
 
 const i18nPrefix = 'workflow.errorMsg'
 
@@ -63,6 +64,35 @@ const nodeDefault: NodeDefault<ToolNodeType> = {
       errorMessage: errorMessages,
     }
   },
+  checkVarValid(payload: ToolNodeType, varMap: Record<string, Var>, t: any) {
+    const errorMessageArr = []
+    const tool_parametersMap = payload.tool_parameters
+    const tool_parameters_array = Object.values(tool_parametersMap)
+    const tool_parameters_warnings: string[] = []
+    tool_parameters_array?.forEach((item) => {
+      if (!item.value)
+        return
+      if (Array.isArray(item.value)) {
+        const warnings = getNotExistVariablesByArray([item.value], varMap)
+        if (warnings.length)
+          tool_parameters_warnings.push(...warnings)
+        return
+      }
+      if (typeof item.value === 'string') {
+        const warnings = getNotExistVariablesByText(item.value, varMap)
+        if (warnings.length)
+          tool_parameters_warnings.push(...warnings)
+      }
+    })
+    if (tool_parameters_warnings.length)
+      errorMessageArr.push(`${t('workflow.nodes.tool.inputVars')} ${t('workflow.common.referenceVar')}${tool_parameters_warnings.join('、')}${t('workflow.common.noExist')}`)
+
+    return {
+      isValid: true,
+      warning_vars: tool_parameters_warnings,
+      errorMessage: errorMessageArr,
+    }
+  },
 }
 
 export default nodeDefault