feat: fetch flow (#1068)

### What problem does this PR solve?
feat: fetch flow #918 
feat: save graph

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/constants/chat.ts

@@ -2,3 +2,11 @@ export enum MessageType {
   Assistant = 'assistant',
   User = 'user',
 }
+
+export const variableEnabledFieldMap = {
+  temperatureEnabled: 'temperature',
+  topPEnabled: 'top_p',
+  presencePenaltyEnabled: 'presence_penalty',
+  frequencyPenaltyEnabled: 'frequency_penalty',
+  maxTokensEnabled: 'max_tokens',
+};