fix(chat): remove regenerate action

src/components/chat/AgentTurn.tsx

@@ -15,7 +15,6 @@ import {
   useTheme,
 } from "@mui/material";
 import ContentCopyRounded from "@mui/icons-material/ContentCopyRounded";
-import RefreshRounded from "@mui/icons-material/RefreshRounded";
 import { TbArrowsSplit2 } from "react-icons/tb";
 import type { PermissionReply } from "@/lib/chatStream";
 import {
@@ -46,7 +45,6 @@ type AgentTurnProps = {
   onResume: () => void;
   onStopSpeech: () => void;
   isTtsSupported: boolean;
-  onRegenerate: (messageId: string) => void;
   onCreateBranch: (messageId: string) => void;
   onReplyPermission: (requestId: string, reply: PermissionReply) => void;
   onReplyQuestion: (requestId: string, answers: string[][]) => void;
@@ -62,7 +60,6 @@ export const AgentTurn = React.memo(
     onResume,
     onStopSpeech,
     isTtsSupported,
-    onRegenerate,
     onCreateBranch,
     onReplyPermission,
     onReplyQuestion,
@@ -316,18 +313,6 @@ export const AgentTurn = React.memo(
                         <ContentCopyRounded sx={{ fontSize: 16 }} />
                       </IconButton>
                     </Tooltip>
-                    <Tooltip title="重新生成">
-                      <IconButton 
-                        size="small" 
-                        aria-label="重新生成" 
-                        onClick={() => {
-                          onRegenerate(message.id);
-                        }}
-                        sx={{ width: 28, height: 28, color: "text.secondary", "&:hover": { color: "#00acc1", bgcolor: alpha("#00acc1", 0.1) } }}
-                      >
-                        <RefreshRounded sx={{ fontSize: 16 }} />
-                      </IconButton>
-                    </Tooltip>
                     <Tooltip title="拆分为新会话">
                       <IconButton
                         size="small"

src/components/chat/AgentWorkspace.test.tsx

@@ -41,7 +41,6 @@ describe("AgentWorkspace", () => {
     onResumeSpeech: jest.fn(),
     onStopSpeech: jest.fn(),
     isTtsSupported: false,
-    onRegenerate: jest.fn(),
     onCreateBranch: jest.fn(),
     onReplyPermission: jest.fn(),
     onReplyQuestion: jest.fn(),

src/components/chat/AgentWorkspace.tsx

@@ -28,7 +28,6 @@ type AgentWorkspaceProps = {
   onResumeSpeech: () => void;
   onStopSpeech: () => void;
   isTtsSupported: boolean;
-  onRegenerate: (messageId: string) => void;
   onCreateBranch: (messageId: string) => void;
   onReplyPermission: (requestId: string, reply: PermissionReply) => void;
   onReplyQuestion: (requestId: string, answers: string[][]) => void;
@@ -44,7 +43,6 @@ type TurnListProps = {
   onResumeSpeech: () => void;
   onStopSpeech: () => void;
   isTtsSupported: boolean;
-  onRegenerate: (messageId: string) => void;
   onCreateBranch: (messageId: string) => void;
   onReplyPermission: (requestId: string, reply: PermissionReply) => void;
   onReplyQuestion: (requestId: string, answers: string[][]) => void;
@@ -64,7 +62,6 @@ const TurnListInner = ({
   onResumeSpeech,
   onStopSpeech,
   isTtsSupported,
-  onRegenerate,
   onCreateBranch,
   onReplyPermission,
   onReplyQuestion,
@@ -82,7 +79,6 @@ const TurnListInner = ({
           onResume={onResumeSpeech}
           onStopSpeech={onStopSpeech}
           isTtsSupported={isTtsSupported}
-          onRegenerate={onRegenerate}
           onCreateBranch={onCreateBranch}
           onReplyPermission={onReplyPermission}
           onReplyQuestion={onReplyQuestion}
@@ -104,7 +100,6 @@ const TurnList = React.memo(
     prevProps.onResumeSpeech === nextProps.onResumeSpeech &&
     prevProps.onStopSpeech === nextProps.onStopSpeech &&
     prevProps.isTtsSupported === nextProps.isTtsSupported &&
-    prevProps.onRegenerate === nextProps.onRegenerate &&
     prevProps.onCreateBranch === nextProps.onCreateBranch &&
     prevProps.onReplyPermission === nextProps.onReplyPermission &&
     prevProps.onReplyQuestion === nextProps.onReplyQuestion &&
@@ -238,7 +233,6 @@ export const AgentWorkspace = ({
   onResumeSpeech,
   onStopSpeech,
   isTtsSupported,
-  onRegenerate,
   onCreateBranch,
   onReplyPermission,
   onReplyQuestion,
@@ -287,7 +281,6 @@ export const AgentWorkspace = ({
             onResumeSpeech={onResumeSpeech}
             onStopSpeech={onStopSpeech}
             isTtsSupported={isTtsSupported}
-            onRegenerate={onRegenerate}
             onCreateBranch={onCreateBranch}
             onReplyPermission={onReplyPermission}
             onReplyQuestion={onReplyQuestion}
@@ -304,7 +297,6 @@ export const AgentWorkspace = ({
               onResumeSpeech={onResumeSpeech}
               onStopSpeech={onStopSpeech}
               isTtsSupported={isTtsSupported}
-              onRegenerate={onRegenerate}
               onCreateBranch={onCreateBranch}
               onReplyPermission={onReplyPermission}
               onReplyQuestion={onReplyQuestion}

src/components/chat/GlobalChatbox.tsx

@@ -71,7 +71,6 @@ export const GlobalChatbox: React.FC<Props> = ({ open, onClose }) => {
     isStreaming,
     sessionTitle,
     sendPrompt,
-    regenerate,
     createBranch,
     abort,
     replyPermission,
@@ -352,7 +351,6 @@ export const GlobalChatbox: React.FC<Props> = ({ open, onClose }) => {
               onResumeSpeech={handleResumeSpeech}
               onStopSpeech={handleStopSpeech}
               isTtsSupported={isTtsSupported}
-              onRegenerate={regenerate}
               onCreateBranch={createBranch}
               onReplyPermission={replyPermission}
               onReplyQuestion={replyQuestion}

src/components/chat/hooks/useAgentChatSession.actions.test.tsx

@@ -359,84 +359,6 @@ describe("useAgentChatSession actions", () => {
     );
   });
 
-  it("asks the backend to undo the previous user turn before regenerating", async () => {
-    listChatSessions.mockResolvedValue([]);
-
-    const { result } = renderHook(() =>
-      useAgentChatSession({
-        projectId: "project-1",
-        onToolCall: jest.fn(),
-      }),
-    );
-
-    await waitFor(() => expect(result.current.isHydrating).toBe(false));
-
-    await act(async () => {
-      await result.current.sendPrompt("重新分析压力异常");
-    });
-    const assistantMessageId = result.current.messages[1]?.id ?? "";
-
-    await act(async () => {
-      await result.current.regenerate(assistantMessageId);
-    });
-
-    expect(streamAgentChat).toHaveBeenNthCalledWith(
-      2,
-      expect.objectContaining({
-        message: "重新分析压力异常",
-        regenerateFromMessageIndex: 0,
-      }),
-    );
-  });
-
-  it("replaces the current chain when regenerating a middle assistant message", async () => {
-    listChatSessions.mockResolvedValue([]);
-
-    const { result } = renderHook(() =>
-      useAgentChatSession({
-        projectId: "project-1",
-        onToolCall: jest.fn(),
-      }),
-    );
-
-    await waitFor(() => expect(result.current.isHydrating).toBe(false));
-
-    await act(async () => {
-      await result.current.sendPrompt("第一轮");
-    });
-
-    await act(async () => {
-      await result.current.sendPrompt("第二轮");
-    });
-
-    const firstAssistantMessageId = result.current.messages[1]?.id ?? "";
-
-    await act(async () => {
-      await result.current.regenerate(firstAssistantMessageId);
-    });
-
-    expect(result.current.messages).toHaveLength(2);
-    expect(result.current.messages[0]).toEqual(
-      expect.objectContaining({
-        role: "user",
-        content: "第一轮",
-      }),
-    );
-    expect(result.current.messages[1]).toEqual(
-      expect.objectContaining({
-        role: "assistant",
-        content: "",
-      }),
-    );
-    expect(streamAgentChat).toHaveBeenNthCalledWith(
-      3,
-      expect.objectContaining({
-        message: "第一轮",
-        regenerateFromMessageIndex: 0,
-      }),
-    );
-  });
-
   it("forks a copied conversation from an assistant message", async () => {
     listChatSessions.mockResolvedValue([]);
 

src/components/chat/hooks/useAgentChatSession.ts

@@ -407,7 +407,6 @@ export const useAgentChatSession = ({
     async ({
       prompt: rawPrompt,
       sessionIdOverride,
-      regenerateFromMessageIndex,
       preparedMessages,
       userMessage,
       assistantMessage,
@@ -442,7 +441,6 @@ export const useAgentChatSession = ({
           sessionId: sessionIdOverride ?? sessionIdRef.current,
           model: getModel?.(),
           approvalMode: getApprovalMode?.(),
-          regenerateFromMessageIndex,
           signal: controller.signal,
           onEvent: (event) =>
             applyStreamEvent(event, {
@@ -893,43 +891,6 @@ export const useAgentChatSession = ({
     [isHydrating, messages],
   );
 
-  const regenerate = useCallback(async (messageId: string) => {
-    if (isHydrating || isStreaming || messages.length === 0) return;
-
-    const targetAssistantIndex = messages.findIndex(
-      (message) => message.id === messageId && message.role === "assistant",
-    );
-    if (targetAssistantIndex < 0) {
-      return;
-    }
-
-    let targetUserIndex = targetAssistantIndex - 1;
-    while (targetUserIndex >= 0 && messages[targetUserIndex].role !== "user") {
-      targetUserIndex--;
-    }
-
-    if (targetUserIndex < 0) return;
-
-    const targetUser = messages[targetUserIndex];
-    const targetUserContent = targetUser.content;
-    const nextMessages = cloneMessages(messages.slice(0, targetUserIndex));
-    const nextUserMessage = createUserMessage(targetUserContent);
-    const nextAssistantMessage = createAssistantMessage();
-
-    setMessages(nextMessages);
-    await runPrompt({
-      prompt: targetUserContent,
-      regenerateFromMessageIndex: targetUserIndex,
-      preparedMessages: [
-        ...nextMessages,
-        nextUserMessage,
-        nextAssistantMessage,
-      ],
-      userMessage: nextUserMessage,
-      assistantMessage: nextAssistantMessage,
-    });
-  }, [isHydrating, isStreaming, messages, runPrompt]);
-
   const createBranch = useCallback(
     async (messageId: string) => {
       if (isHydrating || isStreaming) return;
@@ -975,7 +936,6 @@ export const useAgentChatSession = ({
     sessionTitle,
     sessionId,
     sendPrompt,
-    regenerate,
     createBranch,
     abort,
     replyPermission,

src/components/chat/hooks/useAgentChatSession.types.ts

@@ -18,7 +18,6 @@ export type UseAgentChatSessionOptions = {
 export type PromptRunOptions = {
   prompt: string;
   sessionIdOverride?: string;
-  regenerateFromMessageIndex?: number;
   preparedMessages?: Message[];
   userMessage?: Message;
   assistantMessage?: Message;

src/lib/chatStream.test.ts

@@ -75,7 +75,6 @@ describe("streamAgentChat", () => {
           session_id: undefined,
           model: "deepseek/deepseek-v4-pro",
           approval_mode: undefined,
-          regenerate_from_message_index: undefined,
         }),
       }),
     );

src/lib/chatStream.ts

@@ -140,7 +140,6 @@ type StreamOptions = {
   sessionId?: string;
   model?: AgentModel;
   approvalMode?: AgentApprovalMode;
-  regenerateFromMessageIndex?: number;
   signal?: AbortSignal;
   onEvent: (event: StreamEvent) => void;
 };
@@ -460,7 +459,6 @@ export const streamAgentChat = async ({
   sessionId,
   model,
   approvalMode,
-  regenerateFromMessageIndex,
   signal,
   onEvent,
 }: StreamOptions) => {
@@ -480,7 +478,6 @@ export const streamAgentChat = async ({
           session_id: sessionId,
           model,
           approval_mode: approvalMode,
-          regenerate_from_message_index: regenerateFromMessageIndex,
         }),
         projectHeaderMode: "include",
         userHeaderMode: "include",