Merge branch 'master' of http://192.168.0.200/knowledge-base-bj/deerflow-code into master-nj

# Conflicts:
#	frontend-web/src/components/workspace/messages/message-group.tsx
#	offline-backend-20260512/backend/packages/harness/deerflow/agents/lead_agent/prompt.py

frontend-web/src/components/workspace/chats/chat-box.tsx

@@ -22,6 +22,7 @@ import { latestInFlightWriteFilePreview } from "@/core/artifacts/write-file-in-f
 import { shouldAutoOpenWritingArtifact } from "@/core/threads/writing-mode";
 import { getBackendBaseURL } from "@/core/config";
 import { isThreadRagModeLocked, useLocalSettings } from "@/core/settings";
+import { useCitationDisplaySettings } from "@/core/system-settings/hooks";
 import { isSingleRoundRagMessage } from "@/core/threads/use-single-round-rag";
 import { isMultiRoundRagMessage } from "@/core/threads/use-multi-round-rag";
 import { useSkills } from "@/core/skills/hooks";
@@ -87,7 +88,11 @@ const ChatBox: React.FC<{
   threadId,
   disableArtifacts = false,
 }) => {
-  const { isMock, thread } = useThread();
+  const {
+    isMock,
+    thread,
+    knowledgeReferencesEnabled = false,
+  } = useThread();
   const pathname = usePathname();
   const threadIdRef = useRef(threadId);
   const artifactsCountRef = useRef(0);
@@ -106,8 +111,13 @@ const ChatBox: React.FC<{
   const writingModeEnabled = !!settings.context.writing_mode;
   const artifactDirectoryModeEnabled =
     settings.display.artifactDirectoryModeEnabled ?? false;
+  const { data: citationDisplay } = useCitationDisplaySettings();
+  const referenceModeEntryEnabled =
+    citationDisplay?.reference_mode_enabled ?? false;
   const ragModeEnabled =
-    settings.display.ragModeEnabled || isThreadRagModeLocked(threadId);
+    (referenceModeEntryEnabled && settings.display.ragModeEnabled) ||
+    isThreadRagModeLocked(threadId) ||
+    knowledgeReferencesEnabled;
   // Frontend RAG modes write their own hidden source tool messages. They use
   // the existing reference panel, but must not request or write reference
   // batches through DeerFlow's backend APIs.
@@ -121,7 +131,7 @@ const ChatBox: React.FC<{
   );
   const referencesEnabled = ragModeEnabled || hasFrontendRag;
   const shouldFetchBackendReferenceBatches =
-    referencesEnabled && !hasFrontendRag;
+    referencesEnabled && !hasFrontendRag && !!threadId && threadId !== "new";
   const { skills } = useSkills();
 
   const canScanArtifactDirectory =

frontend-web/src/components/workspace/input-box.tsx

@@ -93,14 +93,14 @@ import {
 
 import { useRecommendedQuestions } from "@/core/recommended-questions/hooks";
 import { useUserPreferences } from "@/core/user-preferences";
-import {
-  isThreadRagModeLocked,
-  lockThreadRagMode,
-  useLocalSettings,
-} from "@/core/settings";
-
-
-import { CustomPromptBar } from "./custom-prompt-menu";
+import {
+  isThreadRagModeLocked,
+  lockThreadRagMode,
+  useLocalSettings,
+} from "@/core/settings";
+import { useCitationDisplaySettings } from "@/core/system-settings/hooks";
+
+import { CustomPromptBar } from "./custom-prompt-menu";
 import { useThread } from "./messages/context";
 import { ModeHoverGuide } from "./mode-hover-guide";
 import { Tooltip } from "./tooltip";
@@ -221,9 +221,12 @@ export function InputBox({
   const modelOptions = useMemo(() => {
     return singleRoundRagActive ? extraModels : models;
   }, [extraModels, models, singleRoundRagActive]);
-  const { thread, isMock } = useThread();
-  const { textInput } = usePromptInputController();
-  const promptRootRef = useRef<HTMLDivElement | null>(null);
+  const { thread, isMock } = useThread();
+  const { textInput } = usePromptInputController();
+  const promptRootRef = useRef<HTMLDivElement | null>(null);
+  const { data: citationDisplay } = useCitationDisplaySettings();
+  const referenceModeEntryEnabled =
+    citationDisplay?.reference_mode_enabled ?? false;
 
   const [followups, setFollowups] = useState<string[]>([]);
   const [followupsHidden, setFollowupsHidden] = useState(false);
@@ -830,9 +833,9 @@ export function InputBox({
                 <span className="text-xs font-normal">记忆</span>
               </PromptInputButton>
             </Tooltip>}
-            {!frontendRagActive && !hideContextTools && <Tooltip
-              content={
-                ragModeEnabled
+            {referenceModeEntryEnabled && !frontendRagActive && !hideContextTools && <Tooltip
+              content={
+                ragModeEnabled
                   ? "参考文献模式已开启：检索类结果会按编号引用展示"
                   : "参考文献模式已关闭：点击开启"
               }

frontend-web/src/components/workspace/messages/context.ts

@@ -4,11 +4,17 @@ import { createContext, useContext } from "react";
 import type { RuntimeDisplaySource } from "@/core/skill-display/runtime";
 import type { AgentThreadState } from "@/core/threads";
 
-export interface ThreadContextType {
-  thread: BaseStream<AgentThreadState>;
-  isMock?: boolean;
-  /**
-   * When set, the conversation is rendered from a public read-only share.
+export interface ThreadContextType {
+  thread: BaseStream<AgentThreadState>;
+  isMock?: boolean;
+  /**
+   * True when the active conversation has selected LLMWiki knowledge bases.
+   * Knowledge-base Q&A should always expose its source documents, independent
+   * from the admin-controlled manual reference-mode button.
+   */
+  knowledgeReferencesEnabled?: boolean;
+  /**
+   * When set, the conversation is rendered from a public read-only share.
    * Artifact/image URLs then resolve to the unauthenticated
    * `/api/public/shares/{code}/files/...` endpoint instead of the
    * auth-gated thread artifact route.

frontend-web/src/components/workspace/messages/message-group.tsx

@@ -83,16 +83,18 @@ import { SourceCard } from "../skill-display-sources";
 import { MarkdownContent } from "./markdown-content";
 import { SingleRoundRagCitationDialog } from "./message-list-item";
 
-export function MessageGroup({
-  className,
-  messages,
-  isLoading = false,
-  displaySources = [],
-}: {
-  className?: string;
-  messages: Message[];
-  isLoading?: boolean;
-  displaySources?: RuntimeDisplaySource[];
+export function MessageGroup({
+  className,
+  messages,
+  isLoading = false,
+  displaySources = [],
+  ragModeEnabled = false,
+}: {
+  className?: string;
+  messages: Message[];
+  isLoading?: boolean;
+  displaySources?: RuntimeDisplaySource[];
+  ragModeEnabled?: boolean;
 }) {
   const { t } = useI18n();
   const [showAbove, setShowAbove] = useState(
@@ -110,9 +112,9 @@ export function MessageGroup({
     [messages, writingModeEnabled],
   );
   const { skills } = useSkills();
-  const skillDisplayMap = useMemo(
-    () => (settings.display.ragModeEnabled ? buildSkillDisplayMap(skills) : new Map()),
-    [settings.display.ragModeEnabled, skills],
+  const skillDisplayMap = useMemo(
+    () => (ragModeEnabled ? buildSkillDisplayMap(skills) : new Map()),
+    [ragModeEnabled, skills],
   );
   const lastToolCallStep = useMemo(() => {
     const filteredSteps = steps.filter((step) => step.type === "toolCall");
@@ -207,7 +209,7 @@ export function MessageGroup({
                   {...step}
                   isLoading={isLoading}
                   skillDisplayMap={skillDisplayMap}
-                  ragModeEnabled={settings.display.ragModeEnabled}
+                  ragModeEnabled={ragModeEnabled}
                 />
               ),
             )}
@@ -219,7 +221,7 @@ export function MessageGroup({
                 isLast={true}
                 isLoading={isLoading}
                 skillDisplayMap={skillDisplayMap}
-                ragModeEnabled={settings.display.ragModeEnabled}
+                ragModeEnabled={ragModeEnabled}
               />
             </FlipDisplay>
           )}

frontend-web/src/components/workspace/messages/message-list.tsx

@@ -28,11 +28,12 @@ import {
   hasToolCalls,
   isHiddenFromUIMessage,
 } from "@/core/messages/utils";
-import { useRehypeSplitWordsIntoSpans } from "@/core/rehype";
-import { isThreadRagModeLocked, useLocalSettings } from "@/core/settings";
-import { useSkills } from "@/core/skills/hooks";
-import {
-  buildSkillDisplayMap,
+import { useRehypeSplitWordsIntoSpans } from "@/core/rehype";
+import { isThreadRagModeLocked, useLocalSettings } from "@/core/settings";
+import { useSkills } from "@/core/skills/hooks";
+import { useCitationDisplaySettings } from "@/core/system-settings/hooks";
+import {
+  buildSkillDisplayMap,
   collectRuntimeDisplaySources,
   type RuntimeDisplaySource,
 } from "@/core/skill-display/runtime";
@@ -299,10 +300,17 @@ export function MessageList({
     }
     return map;
   }, [messages]);
-
-  const [settings] = useLocalSettings();
-  const ragModeEnabled =
-    settings.display.ragModeEnabled || isThreadRagModeLocked(threadId);
+
+  const [settings] = useLocalSettings();
+  const { data: citationDisplay } = useCitationDisplaySettings();
+  const referenceModeEntryEnabled =
+    citationDisplay?.reference_mode_enabled ?? false;
+  const knowledgeReferencesEnabled =
+    threadContext?.knowledgeReferencesEnabled === true;
+  const ragModeEnabled =
+    (referenceModeEntryEnabled && settings.display.ragModeEnabled) ||
+    isThreadRagModeLocked(threadId) ||
+    knowledgeReferencesEnabled;
   const hasSingleRoundRag = useMemo(
     () =>
       messages.some(
@@ -778,12 +786,13 @@ export function MessageList({
             )) {
               if (hasReasoning(message)) {
                 results.push(
-                  <MessageGroup
-                    key={"thinking-group-" + message.id}
-                    messages={[message]}
-                    isLoading={thread.isLoading}
-                    displaySources={resolveDisplaySources(message)}
-                  />,
+                  <MessageGroup
+                    key={"thinking-group-" + message.id}
+                    messages={[message]}
+                    isLoading={thread.isLoading}
+                    displaySources={resolveDisplaySources(message)}
+                    ragModeEnabled={ragModeEnabled}
+                  />,
                 );
               }
               results.push(
@@ -831,11 +840,12 @@ export function MessageList({
             .find((message) => message.type === "ai");
           return (
             <div key={"group-" + group.id} className="w-full">
-              <MessageGroup
-                messages={group.messages}
-                isLoading={thread.isLoading}
-                displaySources={resolveDisplaySources(processingAi)}
-              />
+              <MessageGroup
+                messages={group.messages}
+                isLoading={thread.isLoading}
+                displaySources={resolveDisplaySources(processingAi)}
+                ragModeEnabled={ragModeEnabled}
+              />
               <MessageTokenUsageList
                 enabled={tokenUsageEnabled}
                 isLoading={thread.isLoading}

frontend-web/src/components/workspace/settings/appearance-settings-page.tsx

@@ -205,6 +205,8 @@ export function AppearanceSettingsPage({ onClose }: { onClose?: () => void }) {
   const [effectiveLayoutMode, setLayoutMode] = useLayoutMode();
   const cleanupWords =
     citationDisplay?.cleanup_words ?? settings.display.citationCleanupWords ?? [];
+  const referenceModeEntryEnabled =
+    citationDisplay?.reference_mode_enabled ?? false;
 
   useEffect(() => {
     setShortcutDraft(
@@ -845,23 +847,45 @@ export function AppearanceSettingsPage({ onClose }: { onClose?: () => void }) {
             aria-label="回答速度指示器"
           />
         </div>
-        <div className="flex items-start justify-between gap-4 rounded-lg border p-4">
-          <div>
-            <div className="text-sm font-medium">RAG 引用模式</div>
-            <p className="text-muted-foreground mt-1 max-w-md text-xs leading-relaxed">
-              开启后，已配置展示适配的技能结果会在问答中渲染为编号引用或列表，并支持点击跳转。
-            </p>
-          </div>
-          <Switch
-            checked={settings.display.ragModeEnabled}
-            onCheckedChange={(checked) =>
-              setSettings("display", { ragModeEnabled: checked })
-            }
-            aria-label="RAG 引用模式"
-          />
-        </div>
-        {isAdmin && (
-          <div className="rounded-lg border p-4">
+        {isAdmin && (
+          <div className="flex items-start justify-between gap-4 rounded-lg border p-4">
+            <div>
+              <div className="text-sm font-medium">参考文献模式入口</div>
+              <p className="text-muted-foreground mt-1 max-w-md text-xs leading-relaxed">
+                管理员配置。开启后，普通问答和 iframe 问答输入区会显示「参考文献」按钮；默认关闭。
+              </p>
+            </div>
+            <Switch
+              checked={referenceModeEntryEnabled}
+              disabled={updateCitationDisplay.isPending}
+              onCheckedChange={(checked) =>
+                updateCitationDisplay.mutate({
+                  reference_mode_enabled: checked,
+                })
+              }
+              aria-label="参考文献模式入口"
+            />
+          </div>
+        )}
+        {referenceModeEntryEnabled && (
+          <div className="flex items-start justify-between gap-4 rounded-lg border p-4">
+            <div>
+              <div className="text-sm font-medium">RAG 引用模式</div>
+              <p className="text-muted-foreground mt-1 max-w-md text-xs leading-relaxed">
+                开启后，已配置展示适配的技能结果会在问答中渲染为编号引用或列表，并支持点击跳转。
+              </p>
+            </div>
+            <Switch
+              checked={settings.display.ragModeEnabled}
+              onCheckedChange={(checked) =>
+                setSettings("display", { ragModeEnabled: checked })
+              }
+              aria-label="RAG 引用模式"
+            />
+          </div>
+        )}
+        {isAdmin && (
+          <div className="rounded-lg border p-4">
             <div className="mb-3">
               <div className="text-sm font-medium">参考文献去除词</div>
               <p className="text-muted-foreground mt-1 max-w-2xl text-xs leading-relaxed">