feat: support hide sources

backend/app/rag/chat_config.py

@@ -84,6 +84,7 @@ class ChatEngineConfig(BaseModel):
     post_verification_url: Optional[str] = None
     post_verification_token: Optional[str] = None
     external_engine_config: Optional[ExternalChatEngine] = None
+    hide_sources: bool = False
 
     _db_chat_engine: Optional[DBChatEngine] = None
     _db_llm: Optional[DBLLM] = None

frontend/app/src/api/chat-engines.ts

@@ -21,6 +21,7 @@ export interface ChatEngineOptions {
   llm: ChatEngineLLMOptions;
   post_verification_url?: string | null;
   post_verification_token?: string | null;
+  hide_sources?: boolean | null;
 }
 
 export interface ChatEngineKnowledgeGraphOptions {

frontend/app/src/components/chat-engine/chat-engine-options-details.tsx

@@ -1,4 +1,6 @@
 import type { ChatEngine, ChatEngineOptions } from '@/api/chat-engines';
+import { EditBooleanForm } from '@/components/chat-engine/edit-boolean-form';
+import { EditOptionBooleanForm } from '@/components/chat-engine/edit-option-boolean-form';
 import { EditTokenForm } from '@/components/chat-engine/edit-token-form';
 import { EditUrlForm } from '@/components/chat-engine/edit-url-form';
 import { ChatEngineKnowledgeGraphDetails } from '@/components/chat-engine/knowledge-graph-details';
@@ -27,6 +29,13 @@ export function ChatEngineOptionsDetails ({
         <ChatEngineLLMDetails editable={editable} options={options.llm} />
       </section>
       <Separator />
+      <section className="space-y-2">
+        <div className="text-base font-medium">UI</div>
+        <div className="space-y-2 text-sm">
+          <OptionDetail title="Hide Sources" value={options.hide_sources ? 'Enabled' : 'Disabled'} valueClassName={options.hide_sources ? 'text-green-500' : 'text-muted-foreground'} editPanel={editable && <EditOptionBooleanForm chatEngine={editable} property="hide_sources" />} />
+        </div>
+      </section>
+      <Separator />
       <section className="space-y-2">
         <div className="text-base font-medium">Post Verification</div>
         <div className="space-y-2 text-sm">

frontend/app/src/components/chat-engine/edit-option-boolean-form.tsx

@@ -0,0 +1,39 @@
+'use client';
+
+import { type ChatEngine, type ChatEngineOptions, updateChatEngine } from '@/api/chat-engines';
+import { EditPropertyForm } from '@/components/chat-engine/edit-property-form';
+import { FormSwitch } from '@/components/form/control-widget';
+import { useRefresh } from '@/components/nextjs/app-router-hooks';
+import { toast } from 'sonner';
+import { z } from 'zod';
+
+type KeyOfType<T, Value> = keyof { [P in keyof T as T[P] extends Value ? P : never]: any }
+
+export interface EditOptionBooleanFormProps<P extends KeyOfType<ChatEngineOptions, boolean | undefined | null>> {
+  property: P;
+  chatEngine: ChatEngine;
+}
+
+const booleanSchema = z.boolean();
+
+export function EditOptionBooleanForm<P extends KeyOfType<ChatEngineOptions, boolean | undefined | null>> ({ property, chatEngine }: EditOptionBooleanFormProps<P>) {
+  const [refreshing, refresh] = useRefresh();
+
+  return (
+    <EditPropertyForm
+      inline
+      object={chatEngine.engine_options}
+      property={property}
+      schema={booleanSchema}
+      onSubmit={async (data) => {
+        const options = { ...chatEngine.engine_options, ...data };
+        await updateChatEngine(chatEngine.id, { engine_options: options });
+        refresh();
+        toast(`ChatEngine's option ${property} successfully updated.`);
+      }}
+      disabled={refreshing}
+    >
+      <FormSwitch />
+    </EditPropertyForm>
+  );
+}

frontend/app/src/components/chat/conversation-message-groups.tsx

@@ -1,4 +1,4 @@
-import { type ChatMessageGroup, useChatPostState, useCurrentChatController } from '@/components/chat/chat-hooks';
+import { type ChatMessageGroup, useChatInfo, useChatPostState, useCurrentChatController } from '@/components/chat/chat-hooks';
 import { DebugInfo } from '@/components/chat/debug-info';
 import { MessageAnnotationHistory } from '@/components/chat/message-annotation-history';
 import { StackVMMessageAnnotationHistory } from '@/components/chat/message-annotation-history-stackvm';
@@ -71,6 +71,7 @@ export function ConversationMessageGroups ({ groups }: { groups: ChatMessageGrou
 
 function ConversationMessageGroup ({ group, isLastGroup }: { group: ChatMessageGroup, isLastGroup: boolean }) {
   const enableDebug = /* !!me && */ !process.env.NEXT_PUBLIC_DISABLE_DEBUG_PANEL;
+  const { engine_options } = useChatInfo(useCurrentChatController()) ?? {};
 
   const { params } = useChatPostState(useCurrentChatController());
 
@@ -107,9 +108,9 @@ function ConversationMessageGroup ({ group, isLastGroup }: { group: ChatMessageG
       {group.assistant?.version === 'Legacy' && <MessageAnnotationHistory message={group.assistant} />}
       {group.assistant?.version === 'StackVM' && <StackVMMessageAnnotationHistory message={group.assistant} />}
 
-      <MessageSection className="!mt-1" message={group.assistant}>
+      {!engine_options?.hide_sources && <MessageSection className="!mt-1" message={group.assistant}>
         <MessageContextSources message={group.assistant} />
-      </MessageSection>
+      </MessageSection>}
 
       <MessageSection className="space-y-2" message={group.assistant}>
         <MessageAnswer message={group.assistant} showBetaAlert={group.hasFirstAssistantMessage} />