Merge branch 'feat/2.6.0-beta4' of github.com:dataelement/bisheng into feat/2.6.0-beta4

Author: zgqgit

src/frontend/client/src/components/Chat/AiChatMessages.tsx

@@ -39,6 +39,11 @@ interface AiChatMessagesProps {
     flatMode?: boolean;
     /** Knowledge space AI panel: full-width column, 14px body, gray user / borderless assistant */
     knowledgeChatLayout?: boolean;
+    /** Show the export-session entry under assistant messages. The full homepage/task
+        chat opts in; the lightweight knowledge/file/article docks and share view leave
+        it off. Independent of knowledgeChatLayout (which is a layout-width flag and is
+        true for the homepage chat too). */
+    allowExport?: boolean;
     /** Overrides empty-state line under the illustration (e.g. knowledge folder QA hint from parent) */
     emptyStateHint?: string;
     /** Overrides the empty-state illustration (defaults to the AI-home image).
@@ -77,6 +82,7 @@ function MessageTreeNode({
     currentIndex,
     onRegenerate,
     knowledgeChatLayout,
+    allowExport,
     onOpenCitationPanel,
     activeCitationMessageId,
     onPreviewFile,
@@ -88,6 +94,7 @@ function MessageTreeNode({
     onRegenerate?: (parentMessageId: string) => void;
     onPreviewFile?: (file: ArtifactFile) => void;
     knowledgeChatLayout?: boolean;
+    allowExport?: boolean;
     onOpenCitationPanel?: (payload: CitationReferencesDesktopPayload) => void;
     activeCitationMessageId?: string | null;
 }) {
@@ -132,6 +139,7 @@ function MessageTreeNode({
                 siblingCount={siblings.length}
                 setSiblingIdx={setSiblingIdx}
                 knowledgeChatLayout={knowledgeChatLayout}
+                allowExport={allowExport}
                 onOpenCitationPanel={onOpenCitationPanel}
                 activeCitationMessageId={activeCitationMessageId}
                 onPreviewFile={onPreviewFile}
@@ -145,6 +153,7 @@ function MessageTreeNode({
                     currentIndex={currentIndex + 1}
                     onRegenerate={onRegenerate}
                     knowledgeChatLayout={knowledgeChatLayout}
+                    allowExport={allowExport}
                     onOpenCitationPanel={onOpenCitationPanel}
                     activeCitationMessageId={activeCitationMessageId}
                     onPreviewFile={onPreviewFile}
@@ -166,6 +175,7 @@ export default function AiChatMessages({
     hideHeaderTitle = false,
     flatMode = false,
     knowledgeChatLayout = false,
+    allowExport = false,
     emptyStateHint,
     emptyStateIllustration,
     contentWidthClassName,
@@ -397,6 +407,7 @@ export default function AiChatMessages({
                                             : undefined
                                     }
                                     knowledgeChatLayout={knowledgeChatLayout}
+                                    allowExport={allowExport}
                                     onOpenCitationPanel={onOpenCitationPanel}
                                     activeCitationMessageId={activeCitationMessageId}
                                     onPreviewFile={onPreviewFile}
@@ -413,6 +424,7 @@ export default function AiChatMessages({
                                 currentIndex={0}
                                 onRegenerate={onRegenerate}
                                 knowledgeChatLayout={knowledgeChatLayout}
+                                allowExport={allowExport}
                                 onOpenCitationPanel={onOpenCitationPanel}
                                 activeCitationMessageId={activeCitationMessageId}
                                 onPreviewFile={onPreviewFile}

src/frontend/client/src/components/Chat/AiMessageBubble.tsx

@@ -130,6 +130,10 @@ interface AiMessageBubbleProps {
     setSiblingIdx?: (idx: number) => void;
     /** Knowledge space AI: gray user bubble, borderless assistant, 14px body, full width */
     knowledgeChatLayout?: boolean;
+    /** Show the export-session entry under assistant messages. Only the full
+        homepage/task chat opts in; the lightweight knowledge/file/article docks
+        and the share view leave it off. */
+    allowExport?: boolean;
     onOpenCitationPanel?: (payload: CitationReferencesDesktopPayload) => void;
     activeCitationMessageId?: string | null;
     /** F035: preview a task-turn document in the inline workspace panel (ChatView
@@ -325,6 +329,7 @@ const AiMessageBubble = memo(
         siblingCount,
         setSiblingIdx,
         knowledgeChatLayout,
+        allowExport,
         onOpenCitationPanel,
         activeCitationMessageId,
         onPreviewFile,
@@ -352,6 +357,7 @@ const AiMessageBubble = memo(
                 siblingCount={siblingCount}
                 setSiblingIdx={setSiblingIdx}
                 knowledgeChatLayout={knowledgeChatLayout}
+                allowExport={allowExport}
                 onOpenCitationPanel={onOpenCitationPanel}
                 activeCitationMessageId={activeCitationMessageId}
                 onPreviewFile={onPreviewFile}
@@ -478,6 +484,7 @@ function AssistantBubble({
     siblingCount,
     setSiblingIdx,
     knowledgeChatLayout,
+    allowExport,
     onOpenCitationPanel,
     activeCitationMessageId,
     onPreviewFile,
@@ -490,6 +497,7 @@ function AssistantBubble({
     siblingCount?: number;
     setSiblingIdx?: (idx: number) => void;
     knowledgeChatLayout?: boolean;
+    allowExport?: boolean;
     onOpenCitationPanel?: (payload: CitationReferencesDesktopPayload) => void;
     activeCitationMessageId?: string | null;
     onPreviewFile?: (file: ArtifactFile) => void;
@@ -716,9 +724,10 @@ function AssistantBubble({
                             actionButtons={
                                 <>
                                     <CopyButton text={regularContent} />
-                                    {/* Export is only offered in the full homepage chat — the lightweight
-                                        knowledge/file/article docks (knowledgeChatLayout) hide it. */}
-                                    {!knowledgeChatLayout && message.conversationId && message.messageId && (
+                                    {/* Export is only offered where the host opts in via allowExport
+                                        (the full homepage/task chat). The lightweight knowledge/file/
+                                        article docks and the share view leave it off. */}
+                                    {allowExport && message.conversationId && message.messageId && (
                                         <ExportSelectionButton
                                             chatId={message.conversationId}
                                             messageId={message.messageId}

src/frontend/client/src/components/Chat/ChatView.tsx

@@ -610,6 +610,7 @@ const ChatView = ({ id = '', index = 0, shareToken = '' }: { id?: string, index?
                           isStreaming={isStreaming}
                           shareToken={shareToken}
                           knowledgeChatLayout
+                          allowExport
                           contentWidthClassName="w-full max-w-[800px] mx-auto px-4 touch-mobile:max-w-full"
                           onRegenerate={regenerate}
                           onOpenCitationPanel={onOpenCitationPanel}