Support cache system instructs for Google GenAI (#4148)

* Support cache system instructs for Google GenAI

* format code

* Update FlowiseGoogleAICacheManager.ts

---------

Co-authored-by: Henry Heng <henryheng@flowiseai.com>

packages/components/nodes/chatmodels/ChatGoogleGenerativeAI/ChatGoogleGenerativeAI.ts

@@ -5,6 +5,7 @@ import { ICommonObject, IMultiModalOption, INode, INodeData, INodeOptionsValue,
 import { convertMultiOptionsToStringArray, getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils'
 import { getModels, MODEL_TYPE } from '../../../src/modelLoader'
 import { ChatGoogleGenerativeAI, GoogleGenerativeAIChatInput } from './FlowiseChatGoogleGenerativeAI'
+import type FlowiseGoogleAICacheManager from '../../cache/GoogleGenerativeAIContextCache/FlowiseGoogleAICacheManager'
 
 class GoogleGenerativeAI_ChatModels implements INode {
     label: string
@@ -42,6 +43,12 @@ class GoogleGenerativeAI_ChatModels implements INode {
                 type: 'BaseCache',
                 optional: true
             },
+            {
+                label: 'Context Cache',
+                name: 'contextCache',
+                type: 'GoogleAICacheManager',
+                optional: true
+            },
             {
                 label: 'Model Name',
                 name: 'modelName',
@@ -188,6 +195,7 @@ class GoogleGenerativeAI_ChatModels implements INode {
         const harmCategory = nodeData.inputs?.harmCategory as string
         const harmBlockThreshold = nodeData.inputs?.harmBlockThreshold as string
         const cache = nodeData.inputs?.cache as BaseCache
+        const contextCache = nodeData.inputs?.contextCache as FlowiseGoogleAICacheManager
         const streaming = nodeData.inputs?.streaming as boolean
 
         const allowImageUploads = nodeData.inputs?.allowImageUploads as boolean
@@ -225,6 +233,7 @@ class GoogleGenerativeAI_ChatModels implements INode {
 
         const model = new ChatGoogleGenerativeAI(nodeData.id, obj)
         model.setMultiModalOption(multiModalOption)
+        if (contextCache) model.setContextCache(contextCache)
 
         return model
     }