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"