diff --git a/README.md b/README.md
index b66f7d0..aa63024 100644
--- a/README.md
+++ b/README.md
@@ -188,7 +188,7 @@ flowchart TD
 │   └── ai/                 # LLM / RAG / MCP related logic
 ├── web/                    # unified Next.js frontend
 │   ├── app/dashboard/      # admin dashboard
-│   ├── app/kefu/           # customer service entry and chat pages
+│   ├── app/support/        # customer service entry and chat pages
 │   ├── components/         # React components
 │   ├── lib/                # API client, SDK source and utilities
 │   ├── public/sdk/         # built embeddable SDK assets
@@ -255,8 +255,8 @@ make web-dev
 
 - 管理后台：`http://localhost:3000/dashboard`
 - 客服工作台：`http://localhost:3000/dashboard/conversations`
-- 客户侧 Web 接入示例：`http://localhost:3000/kefu`
-- 客户侧聊天页：`http://localhost:3000/kefu/chat`
+- 客户侧 Web 接入示例：`http://localhost:3000/support/demo`
+- 客户侧聊天页：`http://localhost:3000/support/chat`
 
 生产构建时，前端统一由 `web` 工程构建，静态产物输出到 `web/out`，后端会从 `web/out` 提供静态资源。
 
@@ -308,7 +308,7 @@ docker run --rm -p 8083:8083 \
 
 - 管理后台：负责 AI Agent、知识库、客服组、工单与运营配置
 - 客服工作台：负责接管会话、处理消息与人工服务
-- 客户侧 Web 接入：通过 `/kefu`、`/kefu/chat` 和 `web/public/sdk` 中的嵌入式脚本承接用户咨询入口
+- 客户侧 Web 接入：通过 `/support/demo`、`/support/chat` 和 `web/public/sdk` 中的嵌入式脚本承接用户咨询入口
 
 这使得`贝壳AI客服`可以同时覆盖：
 
diff --git a/config/config.example.yaml b/config/config.example.yaml
index 352d540..494c4e7 100644
--- a/config/config.example.yaml
+++ b/config/config.example.yaml
@@ -1,7 +1,7 @@
 server:
   port: 8083
   cors:
-    # 浏览器跨域白名单。生产环境必须改为实际前端/嵌入站点域名，例如 https://kefu.example.com。
+    # 浏览器跨域白名单。生产环境必须改为实际前端/嵌入站点域名，例如 https://support.example.com。
     # 留空表示不允许跨域请求，只支持同源或非浏览器调用。
     allowedOrigins:
       - http://127.0.0.1:8083
diff --git a/docs b/docs
index e0dc728..a86a0d2 160000
--- a/docs
+++ b/docs
@@ -1 +1 @@
-Subproject commit e0dc72852cc50e5b885f2bf702c607b512bb91ab
+Subproject commit a86a0d2c03bf5f53bba44b26f4dfbff61c6e694b
diff --git a/web/app/dashboard/channels/_components/edit.tsx b/web/app/dashboard/channels/_components/edit.tsx
index 40c9278..79005eb 100644
--- a/web/app/dashboard/channels/_components/edit.tsx
+++ b/web/app/dashboard/channels/_components/edit.tsx
@@ -7,7 +7,7 @@ import { z } from "zod/v4"
 import { CopyIcon, ExternalLinkIcon } from "lucide-react"
 import { toast } from "sonner"
 
-import { getWidgetDemoPath } from "@/components/kefu/demo-navigation"
+import { getWidgetDemoPath } from "@/components/support-chat/demo-navigation"
 import { OptionCombobox } from "@/components/option-combobox"
 import { ProjectDialog } from "@/components/project-dialog"
 import { Button } from "@/components/ui/button"
diff --git a/web/app/support/chat/closed/page.tsx b/web/app/support/chat/closed/page.tsx
index aa7d166..da1a0ab 100644
--- a/web/app/support/chat/closed/page.tsx
+++ b/web/app/support/chat/closed/page.tsx
@@ -14,9 +14,9 @@ export default function Page() {
           <CheckCircle2Icon className="size-7" />
         </div>
         <div className="grid gap-2">
-          <h1 className="text-lg font-semibold text-foreground">{t("kefu.closedTitle")}</h1>
+          <h1 className="text-lg font-semibold text-foreground">{t("supportChat.closedTitle")}</h1>
           <p className="text-sm leading-6 text-muted-foreground">
-            {t("kefu.closedDescription")}
+            {t("supportChat.closedDescription")}
           </p>
         </div>
       </section>
diff --git a/web/app/support/chat/page.tsx b/web/app/support/chat/page.tsx
index f75b827..9037c2c 100644
--- a/web/app/support/chat/page.tsx
+++ b/web/app/support/chat/page.tsx
@@ -1,5 +1,5 @@
-import { KefuChatShell } from "@/components/kefu/chat-shell"
+import { SupportChatShell } from "@/components/support-chat/chat-shell"
 
 export default function Page() {
-  return <KefuChatShell />
+  return <SupportChatShell />
 }
diff --git a/web/app/support/demo/page.tsx b/web/app/support/demo/page.tsx
index 0f99a02..5c4f42a 100644
--- a/web/app/support/demo/page.tsx
+++ b/web/app/support/demo/page.tsx
@@ -1,5 +1,5 @@
-import { KefuWidgetDemo } from "@/components/kefu/widget-demo"
+import { SupportWidgetDemo } from "@/components/support-chat/widget-demo"
 
 export default function Page() {
-  return <KefuWidgetDemo />
+  return <SupportWidgetDemo />
 }
diff --git a/web/components/kefu/close-navigation.ts b/web/components/kefu/close-navigation.ts
deleted file mode 100644
index e9544fb..0000000
--- a/web/components/kefu/close-navigation.ts
+++ /dev/null
@@ -1,5 +0,0 @@
-export const KEFU_CLOSED_PATH = "/support/chat/closed"
-
-export function getStandaloneClosedUrl() {
-  return KEFU_CLOSED_PATH
-}
diff --git a/web/components/kefu/demo-navigation.ts b/web/components/kefu/demo-navigation.ts
deleted file mode 100644
index 54e6f9b..0000000
--- a/web/components/kefu/demo-navigation.ts
+++ /dev/null
@@ -1,5 +0,0 @@
-export const KEFU_DEMO_PATH = "/support/demo"
-
-export function getWidgetDemoPath() {
-  return KEFU_DEMO_PATH
-}
diff --git a/web/components/kefu/chat-shell.tsx b/web/components/support-chat/chat-shell.tsx
similarity index 84%
rename from web/components/kefu/chat-shell.tsx
rename to web/components/support-chat/chat-shell.tsx
index 55bd9ea..5879aab 100644
--- a/web/components/kefu/chat-shell.tsx
+++ b/web/components/support-chat/chat-shell.tsx
@@ -20,20 +20,20 @@ import {
 } from "react"
 import { useShallow } from "zustand/react/shallow"
 
-import { KefuConnectionStatus } from "@/components/kefu/connection-status"
-import { getStandaloneClosedUrl } from "@/components/kefu/close-navigation"
-import { CustomerMessageEditor } from "@/components/kefu/customer-message-editor"
+import { SupportChatConnectionStatus } from "@/components/support-chat/connection-status"
+import { getStandaloneClosedUrl } from "@/components/support-chat/close-navigation"
+import { CustomerMessageEditor } from "@/components/support-chat/customer-message-editor"
 import {
-  KefuMessageList,
-  type KefuMessageListHandle,
-} from "@/components/kefu/message-list"
+  SupportChatMessageList,
+  type SupportChatMessageListHandle,
+} from "@/components/support-chat/message-list"
 import {
-  bindKefuHostBridge,
-  requestKefuHostClose,
-  requestKefuHostMinimize,
-  requestKefuHostToggleMaximize,
-} from "@/lib/kefu-host-bridge"
-import { useKefuChatStore } from "@/lib/stores/kefu-chat"
+  bindSupportHostBridge,
+  requestSupportHostClose,
+  requestSupportHostMinimize,
+  requestSupportHostToggleMaximize,
+} from "@/lib/support-host-bridge"
+import { useSupportChatStore } from "@/lib/stores/support-chat"
 import { Button } from "@/components/ui/button"
 import {
   Dialog,
@@ -80,7 +80,7 @@ function getMobileStatusDotClass(status: string) {
   return "bg-muted-foreground shadow-[0_0_0_3px_rgba(148,163,184,0.14)]"
 }
 
-function useKefuSystemTheme() {
+function useSupportChatSystemTheme() {
   useLayoutEffect(() => {
     if (typeof window === "undefined") {
       return
@@ -119,11 +119,11 @@ function isEmbeddedInHost() {
   }
 }
 
-export function KefuChatShell() {
+export function SupportChatShell() {
   const t = useI18n()
-  useKefuSystemTheme()
+  useSupportChatSystemTheme()
 
-  const messageListRef = useRef<KefuMessageListHandle | null>(null)
+  const messageListRef = useRef<SupportChatMessageListHandle | null>(null)
   const [isEmbedded, setIsEmbedded] = useState(false)
   const [isMaximized, setIsMaximized] = useState(false)
   const [isCloseDialogOpen, setIsCloseDialogOpen] = useState(false)
@@ -152,7 +152,7 @@ export function KefuChatShell() {
     disconnectSocket,
     markConversationRead,
     closeConversation,
-  } = useKefuChatStore(
+  } = useSupportChatStore(
     useShallow((state) => ({
       title: state.title,
       subtitle: state.subtitle,
@@ -192,12 +192,12 @@ export function KefuChatShell() {
       return
     }
     void markConversationRead().catch((readError) => {
-      console.error("Failed to mark kefu conversation read", readError)
+      console.error("Failed to mark support chat conversation read", readError)
     })
   }, [conversation?.id, isVisible, markConversationRead])
 
   useEffect(() => {
-    return bindKefuHostBridge({
+    return bindSupportHostBridge({
       onOpen: () => {
         setIsOpen(true)
         setIsVisible(true)
@@ -250,11 +250,11 @@ export function KefuChatShell() {
 
   function handleMinimize() {
     setIsVisible(false)
-    requestKefuHostMinimize()
+    requestSupportHostMinimize()
   }
 
   function handleToggleMaximize() {
-    requestKefuHostToggleMaximize()
+    requestSupportHostToggleMaximize()
   }
 
   async function confirmCloseConversation() {
@@ -268,12 +268,12 @@ export function KefuChatShell() {
       }
       setIsCloseDialogOpen(false)
       if (isEmbedded) {
-        requestKefuHostClose()
+        requestSupportHostClose()
       } else {
         window.location.replace(getStandaloneClosedUrl())
       }
     } catch (closeError) {
-      window.alert(closeError instanceof Error ? closeError.message : t("kefu.closeConversationFailed"))
+      window.alert(closeError instanceof Error ? closeError.message : t("supportChat.closeConversationFailed"))
     } finally {
       setIsClosingConversation(false)
     }
@@ -326,8 +326,8 @@ export function KefuChatShell() {
               {!isEmbedded && status !== "connected" ? (
                 <WindowActionButton
                   onClick={retry}
-                  aria-label={t("kefu.retry")}
-                  title={t("kefu.retry")}
+                  aria-label={t("supportChat.retry")}
+                  title={t("supportChat.retry")}
                 >
                   <RotateCwIcon className="size-4" />
                 </WindowActionButton>
@@ -335,18 +335,18 @@ export function KefuChatShell() {
               {isEmbedded ? (
                 <DropdownMenu>
                   <DropdownMenuTrigger
-                    render={<WindowActionButton aria-label={t("kefu.moreActions")} title={t("kefu.moreActions")} />}
+                    render={<WindowActionButton aria-label={t("supportChat.moreActions")} title={t("supportChat.moreActions")} />}
                   >
                     <MoreHorizontalIcon className="size-4" />
                   </DropdownMenuTrigger>
                   <DropdownMenuContent align="end" className="w-36">
                     <DropdownMenuItem onClick={retry}>
                       <RotateCwIcon className="size-4" />
-                      {t("kefu.retry")}
+                      {t("supportChat.retry")}
                     </DropdownMenuItem>
                     <DropdownMenuItem onClick={handleMinimize}>
                       <MinusIcon className="size-4" />
-                      {t("kefu.minimize")}
+                      {t("supportChat.minimize")}
                     </DropdownMenuItem>
                     <DropdownMenuItem onClick={handleToggleMaximize}>
                       {isMaximized ? (
@@ -354,22 +354,22 @@ export function KefuChatShell() {
                       ) : (
                         <Maximize2Icon className="size-4" />
                       )}
-                      {isMaximized ? t("kefu.restoreWindow") : t("kefu.maximize")}
+                      {isMaximized ? t("supportChat.restoreWindow") : t("supportChat.maximize")}
                     </DropdownMenuItem>
                     <DropdownMenuItem
                       variant="destructive"
                       onClick={() => setIsCloseDialogOpen(true)}
                     >
                       <XIcon className="size-4" />
-                      {t("kefu.closeWindow")}
+                      {t("supportChat.closeWindow")}
                     </DropdownMenuItem>
                   </DropdownMenuContent>
                 </DropdownMenu>
               ) : (
                 <WindowActionButton
                   onClick={() => setIsCloseDialogOpen(true)}
-                  aria-label={t("kefu.closeChatWindow")}
-                  title={t("kefu.closeChatWindow")}
+                  aria-label={t("supportChat.closeChatWindow")}
+                  title={t("supportChat.closeChatWindow")}
                   className="hover:bg-rose-50 hover:text-rose-600 dark:hover:bg-rose-950/45 dark:hover:text-rose-300"
                 >
                   <XIcon className="size-4" />
@@ -378,13 +378,13 @@ export function KefuChatShell() {
             </div>
             <div className="hidden shrink-0 items-center gap-1 sm:flex sm:gap-2">
               {status !== "connected" ? (
-                <KefuConnectionStatus status={status} />
+                <SupportChatConnectionStatus status={status} />
               ) : null}
               <div className="flex items-center gap-0.5 rounded-lg bg-background/55 p-0.5 shadow-sm ring-1 ring-border/70 dark:bg-background/25 dark:ring-white/10">
                 <WindowActionButton
                   onClick={retry}
-                  aria-label={t("kefu.retry")}
-                  title={t("kefu.retry")}
+                  aria-label={t("supportChat.retry")}
+                  title={t("supportChat.retry")}
                 >
                   <RotateCwIcon className="size-4" />
                 </WindowActionButton>
@@ -392,15 +392,15 @@ export function KefuChatShell() {
                   <>
                     <WindowActionButton
                       onClick={handleMinimize}
-                      aria-label={t("kefu.minimize")}
-                      title={t("kefu.minimize")}
+                      aria-label={t("supportChat.minimize")}
+                      title={t("supportChat.minimize")}
                     >
                       <MinusIcon className="size-4" />
                     </WindowActionButton>
                     <WindowActionButton
                       onClick={handleToggleMaximize}
-                      aria-label={isMaximized ? t("kefu.restoreWindow") : t("kefu.maximizeWindow")}
-                      title={isMaximized ? t("kefu.restoreWindow") : t("kefu.maximizeWindow")}
+                      aria-label={isMaximized ? t("supportChat.restoreWindow") : t("supportChat.maximizeWindow")}
+                      title={isMaximized ? t("supportChat.restoreWindow") : t("supportChat.maximizeWindow")}
                     >
                       {isMaximized ? (
                         <Minimize2Icon className="size-4" />
@@ -412,8 +412,8 @@ export function KefuChatShell() {
                 ) : null}
                 <WindowActionButton
                   onClick={() => setIsCloseDialogOpen(true)}
-                  aria-label={t("kefu.closeChatWindow")}
-                  title={t("kefu.closeChatWindow")}
+                  aria-label={t("supportChat.closeChatWindow")}
+                  title={t("supportChat.closeChatWindow")}
                   className="hover:bg-rose-50 hover:text-rose-600 dark:hover:bg-rose-950/45 dark:hover:text-rose-300"
                 >
                   <XIcon className="size-4" />
@@ -424,7 +424,7 @@ export function KefuChatShell() {
         </header>
 
         <div className="grid min-h-0 flex-1 grid-rows-[minmax(0,1fr)_auto] overflow-hidden bg-muted/60 dark:bg-muted/30">
-          <KefuMessageList
+          <SupportChatMessageList
             ref={messageListRef}
             messages={safeMessages}
             onNearBottomVisible={maybeMarkConversationRead}
@@ -459,9 +459,9 @@ export function KefuChatShell() {
       >
         <DialogContent className="max-w-[320px]" showCloseButton={!isClosingConversation}>
           <DialogHeader>
-            <DialogTitle>{t("kefu.closeDialogTitle")}</DialogTitle>
+            <DialogTitle>{t("supportChat.closeDialogTitle")}</DialogTitle>
             <DialogDescription className="text-xs leading-5">
-              {t("kefu.closeDialogDescription")}
+              {t("supportChat.closeDialogDescription")}
             </DialogDescription>
           </DialogHeader>
           <DialogFooter>
@@ -471,7 +471,7 @@ export function KefuChatShell() {
               disabled={isClosingConversation}
               onClick={() => setIsCloseDialogOpen(false)}
             >
-              {t("kefu.continueConversation")}
+              {t("supportChat.continueConversation")}
             </Button>
             <Button
               type="button"
@@ -479,7 +479,7 @@ export function KefuChatShell() {
               disabled={isClosingConversation}
               onClick={() => void confirmCloseConversation()}
             >
-              {isClosingConversation ? t("kefu.closing") : t("kefu.confirmClose")}
+              {isClosingConversation ? t("supportChat.closing") : t("supportChat.confirmClose")}
             </Button>
           </DialogFooter>
         </DialogContent>
diff --git a/web/components/kefu/close-navigation.test.mjs b/web/components/support-chat/close-navigation.test.mjs
similarity index 100%
rename from web/components/kefu/close-navigation.test.mjs
rename to web/components/support-chat/close-navigation.test.mjs
diff --git a/web/components/support-chat/close-navigation.ts b/web/components/support-chat/close-navigation.ts
new file mode 100644
index 0000000..60782e0
--- /dev/null
+++ b/web/components/support-chat/close-navigation.ts
@@ -0,0 +1,5 @@
+export const SUPPORT_CHAT_CLOSED_PATH = "/support/chat/closed"
+
+export function getStandaloneClosedUrl() {
+  return SUPPORT_CHAT_CLOSED_PATH
+}
diff --git a/web/components/kefu/connection-status.tsx b/web/components/support-chat/connection-status.tsx
similarity index 86%
rename from web/components/kefu/connection-status.tsx
rename to web/components/support-chat/connection-status.tsx
index 115ce2f..d8ceaef 100644
--- a/web/components/kefu/connection-status.tsx
+++ b/web/components/support-chat/connection-status.tsx
@@ -4,11 +4,11 @@ import { Badge } from "@/components/ui/badge"
 import { cn } from "@/lib/utils"
 import { useI18n } from "@/i18n/provider"
 
-type KefuConnectionStatusProps = {
+type SupportChatConnectionStatusProps = {
   status: "connecting" | "connected" | "disconnected"
 }
 
-export function KefuConnectionStatus({ status }: KefuConnectionStatusProps) {
+export function SupportChatConnectionStatus({ status }: SupportChatConnectionStatusProps) {
   const t = useI18n()
   const toneClass =
     status === "connected"
@@ -32,7 +32,7 @@ export function KefuConnectionStatus({ status }: KefuConnectionStatusProps) {
               : "bg-muted-foreground shadow-[0_0_0_4px_rgba(148,163,184,0.14)]"
         )}
       />
-      <span>{t(`kefu.${status}`)}</span>
+      <span>{t(`supportChat.${status}`)}</span>
     </Badge>
   )
 }
diff --git a/web/components/kefu/customer-message-editor.tsx b/web/components/support-chat/customer-message-editor.tsx
similarity index 100%
rename from web/components/kefu/customer-message-editor.tsx
rename to web/components/support-chat/customer-message-editor.tsx
diff --git a/web/components/kefu/demo-navigation.test.mjs b/web/components/support-chat/demo-navigation.test.mjs
similarity index 100%
rename from web/components/kefu/demo-navigation.test.mjs
rename to web/components/support-chat/demo-navigation.test.mjs
diff --git a/web/components/support-chat/demo-navigation.ts b/web/components/support-chat/demo-navigation.ts
new file mode 100644
index 0000000..410af74
--- /dev/null
+++ b/web/components/support-chat/demo-navigation.ts
@@ -0,0 +1,5 @@
+export const SUPPORT_DEMO_PATH = "/support/demo"
+
+export function getWidgetDemoPath() {
+  return SUPPORT_DEMO_PATH
+}
diff --git a/web/components/kefu/message-list.tsx b/web/components/support-chat/message-list.tsx
similarity index 93%
rename from web/components/kefu/message-list.tsx
rename to web/components/support-chat/message-list.tsx
index 1e1597b..9501617 100644
--- a/web/components/kefu/message-list.tsx
+++ b/web/components/support-chat/message-list.tsx
@@ -20,7 +20,7 @@ import { renderIMMessageHTML } from "@/lib/im-message"
 import { cn, formatDateTime } from "@/lib/utils"
 import { useI18n } from "@/i18n/provider"
 
-type KefuMessageListProps = {
+type SupportChatMessageListProps = {
   messages?: ImMessage[] | null
   onNearBottomVisible?: () => void
   hasMoreOlder?: boolean
@@ -28,7 +28,7 @@ type KefuMessageListProps = {
   onLoadOlder?: () => Promise<void>
 }
 
-export type KefuMessageListHandle = {
+export type SupportChatMessageListHandle = {
   scrollToBottom: () => void
 }
 
@@ -50,7 +50,7 @@ function getTimelineLabel(
   t: (key: string, values?: Record<string, string | number>) => string
 ) {
   if (!value) {
-    return t("kefu.justNow")
+    return t("supportChat.justNow")
   }
   const date = new Date(value)
   if (Number.isNaN(date.getTime())) {
@@ -62,13 +62,13 @@ function getTimelineLabel(
     date.getMinutes()
   ).padStart(2, "0")}`
   if (currentDayKey === todayDayKey) {
-    return t("kefu.todayAt", { time: timeText })
+    return t("supportChat.todayAt", { time: timeText })
   }
   return `${currentDayKey} ${timeText}`
 }
 
-export const KefuMessageList = forwardRef<KefuMessageListHandle, KefuMessageListProps>(
-  function KefuMessageList(
+export const SupportChatMessageList = forwardRef<SupportChatMessageListHandle, SupportChatMessageListProps>(
+  function SupportChatMessageList(
     {
       messages,
       onNearBottomVisible,
@@ -232,14 +232,14 @@ export const KefuMessageList = forwardRef<KefuMessageListHandle, KefuMessageList
                 onClick={() => void handleLoadOlder()}
                 className="h-7 rounded-full bg-background/90 text-xs text-muted-foreground shadow-sm hover:bg-background hover:text-sky-700 dark:hover:text-sky-400"
               >
-                {loadingOlder ? t("kefu.loadingOlder") : t("kefu.loadOlder")}
+                {loadingOlder ? t("supportChat.loadingOlder") : t("supportChat.loadOlder")}
               </Button>
             </div>
           ) : null}
 
           {safeMessages.length === 0 ? (
             <div className="flex min-h-32 items-center justify-center px-3 py-6 text-center text-sm leading-6 text-muted-foreground">
-              {t("kefu.emptyPrompt")}
+              {t("supportChat.emptyPrompt")}
             </div>
           ) : null}
 
@@ -277,7 +277,7 @@ const MessageItem = memo(
     const t = useI18n()
     const { open } = useImageLightbox()
     const isCustomer = message.senderType === "customer"
-    const senderName = isCustomer ? t("kefu.customerSelf") : message.senderName?.trim() || t("kefu.agentLabel")
+    const senderName = isCustomer ? t("supportChat.customerSelf") : message.senderName?.trim() || t("supportChat.agentLabel")
     const avatarSrc =
       !isCustomer && message.senderAvatar?.trim() ? message.senderAvatar.trim() : undefined
     const htmlContent = renderIMMessageHTML(message)
@@ -301,7 +301,7 @@ const MessageItem = memo(
             <Avatar className="mt-5">
               {avatarSrc ? <AvatarImage src={avatarSrc} alt="" /> : null}
               <AvatarFallback className="bg-muted text-muted-foreground">
-                {fallbackName || t("kefu.customerFallback")}
+                {fallbackName || t("supportChat.customerFallback")}
               </AvatarFallback>
             </Avatar>
           ) : null}
@@ -316,7 +316,7 @@ const MessageItem = memo(
               <span className="font-medium">{senderName}</span>
               <span>{formatDateTime(message.sentAt)}</span>
               {isCustomer ? (
-                <span>{message.agentRead ? t("kefu.agentRead") : t("kefu.agentUnread")}</span>
+                <span>{message.agentRead ? t("supportChat.agentRead") : t("supportChat.agentUnread")}</span>
               ) : null}
             </div>
             <div
diff --git a/web/components/kefu/widget-demo.tsx b/web/components/support-chat/widget-demo.tsx
similarity index 99%
rename from web/components/kefu/widget-demo.tsx
rename to web/components/support-chat/widget-demo.tsx
index 403d76d..2f2f6f7 100644
--- a/web/components/kefu/widget-demo.tsx
+++ b/web/components/support-chat/widget-demo.tsx
@@ -115,7 +115,7 @@ async function signUserToken(config: WidgetDemoConfig, t: (key: string) => strin
     .sign(new TextEncoder().encode(secret))
 }
 
-export function KefuWidgetDemo() {
+export function SupportWidgetDemo() {
   const t = useI18n()
   const [config, setConfig] = useState<WidgetDemoConfig>({
     ...INITIAL_CONFIG,
@@ -193,7 +193,7 @@ export function KefuWidgetDemo() {
     const configLines = [`    channelId: "${config.channelId || ""}"`]
     if (config.authMode === "jwt") {
       configLines.push(`    async getUserToken() {
-      const res = await fetch("/api/kefu/user-token", { credentials: "include" });
+      const res = await fetch("/api/support/user-token", { credentials: "include" });
       const data = await res.json();
       return data.userToken;
     }`)
diff --git a/web/lib/api/im.ts b/web/lib/api/im.ts
index a16eb97..47e114e 100644
--- a/web/lib/api/im.ts
+++ b/web/lib/api/im.ts
@@ -1,6 +1,6 @@
 import { request } from "@/lib/api/client"
 import { translateCurrentMessage } from "@/i18n/messages"
-import { readKefuChatRuntimeConfig } from "@/lib/sdk/runtime-config"
+import { readSupportChatRuntimeConfig } from "@/lib/sdk/runtime-config"
 import { generateUUID } from "@/lib/utils"
 
 export type Paging = {
@@ -159,7 +159,7 @@ export function getGuestId() {
 }
 
 function getRuntimeImConfig() {
-  const widgetConfig = readKefuChatRuntimeConfig()
+  const widgetConfig = readSupportChatRuntimeConfig()
   const baseUrl = (widgetConfig.apiBaseUrl || widgetConfig.baseUrl || API_BASE_URL)
     .trim()
     .replace(/\/$/, "")
diff --git a/web/lib/im-message.ts b/web/lib/im-message.ts
index 059d423..2f1b21f 100644
--- a/web/lib/im-message.ts
+++ b/web/lib/im-message.ts
@@ -51,12 +51,12 @@ export function renderIMMessageHTML(message: {
         asset.filename || "image"
       )}"></p>`
     }
-    return `<p>${escapeHTML(t("kefu.imageSummary"))}</p>`
+    return `<p>${escapeHTML(t("supportChat.imageSummary"))}</p>`
   }
 
   if (message.messageType === "attachment") {
     if (asset?.url) {
-      const title = escapeHTML(asset.filename || message.content || t("kefu.attachmentSummary"))
+      const title = escapeHTML(asset.filename || message.content || t("supportChat.attachmentSummary"))
       const meta = formatFileSize(asset.fileSize ?? 0)
       const metaHTML = meta ? `<div class="im-attachment-meta">${escapeHTML(meta)}</div>` : ""
       return `<div class="im-attachment"><a href="${escapeHTMLAttr(
@@ -65,7 +65,7 @@ export function renderIMMessageHTML(message: {
         asset.filename || ""
       )}" class="im-attachment-link"><span class="im-attachment-icon" aria-hidden="true">${getAttachmentIconSVG()}</span><span class="im-attachment-content"><span class="im-attachment-title">${title}</span>${metaHTML}</span></a></div>`
     }
-    return `<p>${escapeHTML(message.content || t("kefu.attachmentSummary"))}</p>`
+    return `<p>${escapeHTML(message.content || t("supportChat.attachmentSummary"))}</p>`
   }
 
   return renderTextMessageHTML(message.content || "")
@@ -77,13 +77,13 @@ export function summarizeIMMessage(message: {
   payload?: string
 }) {
   if (message.messageType === "image") {
-    return t("kefu.imageSummary")
+    return t("supportChat.imageSummary")
   }
   if (message.messageType === "attachment") {
     const asset = parseMessageAssetPayload(message.payload)
     return asset?.filename?.trim()
-      ? `${t("kefu.attachmentSummary")} ${asset.filename.trim()}`
-      : t("kefu.attachmentSummary")
+      ? `${t("supportChat.attachmentSummary")} ${asset.filename.trim()}`
+      : t("supportChat.attachmentSummary")
   }
   if (message.messageType === "html") {
     const text = extractTextFromHTML(message.content)
@@ -91,11 +91,11 @@ export function summarizeIMMessage(message: {
       return text.substring(0, 100)
     }
     if (message.content.includes("<img")) {
-      return t("kefu.imageSummary")
+      return t("supportChat.imageSummary")
     }
-    return t("kefu.messageSummary")
+    return t("supportChat.messageSummary")
   }
-  return message.content?.substring(0, 100) || t("kefu.messageSummary")
+  return message.content?.substring(0, 100) || t("supportChat.messageSummary")
 }
 
 export function formatFileSize(size: number) {
diff --git a/web/lib/im-realtime.ts b/web/lib/im-realtime.ts
index 5577448..cfa8ee3 100644
--- a/web/lib/im-realtime.ts
+++ b/web/lib/im-realtime.ts
@@ -1,6 +1,6 @@
 import { createWebSocketBaseUrl } from "@/lib/api/websocket"
 import { getCustomerSessionToken, type ImMessage } from "@/lib/api/im"
-import { readKefuChatRuntimeConfig } from "@/lib/sdk/runtime-config"
+import { readSupportChatRuntimeConfig } from "@/lib/sdk/runtime-config"
 import type {
   RealtimeConversationPatch,
   RealtimeMessageCreatedPayload,
@@ -22,7 +22,7 @@ export type ImRealtimeEnvelope = {
 }
 
 export function createImRealtimeConnection() {
-  const config = readKefuChatRuntimeConfig()
+  const config = readSupportChatRuntimeConfig()
   const apiBaseUrl = (config.apiBaseUrl || "").trim()
   const baseUrl = apiBaseUrl
     ? apiBaseUrl.replace(/^http/, "ws").replace(/\/$/, "")
diff --git a/web/lib/sdk/config-types.ts b/web/lib/sdk/config-types.ts
index d59b6d4..a477446 100644
--- a/web/lib/sdk/config-types.ts
+++ b/web/lib/sdk/config-types.ts
@@ -16,7 +16,7 @@ export type CSAgentConfig = {
   width?: string
 }
 
-export type KefuChatRuntimeConfig = Omit<CSAgentConfig, "getUserToken"> & {
+export type SupportChatRuntimeConfig = Omit<CSAgentConfig, "getUserToken"> & {
   /** Used only by /support/chat to exchange for a chat token; not part of CSAgentConfig. */
   userToken?: string
 }
@@ -33,7 +33,7 @@ declare global {
   interface Window {
     CSAgentConfig?: CSAgentConfig
     CSAgentWidget?: CSAgentWidget
-    __CS_AGENT_WIDGET_CONFIG__?: KefuChatRuntimeConfig
+    __CS_AGENT_WIDGET_CONFIG__?: SupportChatRuntimeConfig
     __CS_AGENT_WIDGET_STATE__?: unknown
   }
 }
diff --git a/web/lib/sdk/cs-ai-agent-sdk.ts b/web/lib/sdk/cs-ai-agent-sdk.ts
index 8ba96cb..6e557eb 100644
--- a/web/lib/sdk/cs-ai-agent-sdk.ts
+++ b/web/lib/sdk/cs-ai-agent-sdk.ts
@@ -1,7 +1,7 @@
 import type {
   CSAgentConfig,
   CSAgentWidget,
-  KefuChatRuntimeConfig,
+  SupportChatRuntimeConfig,
 } from "./config-types"
 
 type NormalizedCSAgentConfig = CSAgentConfig & {
@@ -24,7 +24,7 @@ type WidgetState = {
   frameHideTimer: number | null
   frameDestroyTimer: number | null
   config: NormalizedCSAgentConfig | null
-  frameConfig: KefuChatRuntimeConfig | null
+  frameConfig: SupportChatRuntimeConfig | null
   frameUrl: URL | null
   animationDuration: number
   listenerBound?: boolean
@@ -57,7 +57,7 @@ function getLauncherText() {
 }
 
 type FrameMessage =
-  | { type: "cs-agent:init"; payload: KefuChatRuntimeConfig }
+  | { type: "cs-agent:init"; payload: SupportChatRuntimeConfig }
   | { type: "cs-agent:open" }
   | { type: "cs-agent:minimize" }
   | { type: "cs-agent:maximized"; payload: { isMaximized: boolean } }
@@ -135,7 +135,7 @@ type FrameMessage =
   function createFrameConfig(
     config: NormalizedCSAgentConfig,
     userToken: string
-  ): KefuChatRuntimeConfig {
+  ): SupportChatRuntimeConfig {
     const { getUserToken: _getUserToken, ...payload } = config
     if (userToken) {
       return { ...payload, userToken }
diff --git a/web/lib/sdk/runtime-config.ts b/web/lib/sdk/runtime-config.ts
index 92689cf..e9ba067 100644
--- a/web/lib/sdk/runtime-config.ts
+++ b/web/lib/sdk/runtime-config.ts
@@ -1,6 +1,6 @@
-import type { KefuChatRuntimeConfig } from "@/lib/sdk/config-types"
+import type { SupportChatRuntimeConfig } from "@/lib/sdk/config-types"
 
-export function readKefuChatRuntimeConfig(): KefuChatRuntimeConfig {
+export function readSupportChatRuntimeConfig(): SupportChatRuntimeConfig {
   if (typeof window === "undefined") {
     return {
       channelId: "",
@@ -10,7 +10,7 @@ export function readKefuChatRuntimeConfig(): KefuChatRuntimeConfig {
   }
 
   const query = new URLSearchParams(window.location.search)
-  const fallback: KefuChatRuntimeConfig = {
+  const fallback: SupportChatRuntimeConfig = {
     channelId:
       query.get("channelId") ??
       process.env.NEXT_PUBLIC_OPEN_IM_CHANNEL_ID?.trim() ??
@@ -46,7 +46,7 @@ export function readKefuChatRuntimeConfig(): KefuChatRuntimeConfig {
   return fallback
 }
 
-export function setKefuChatRuntimeConfig(config: KefuChatRuntimeConfig) {
+export function setSupportChatRuntimeConfig(config: SupportChatRuntimeConfig) {
   if (typeof window === "undefined") {
     return
   }
diff --git a/web/lib/stores/kefu-chat.ts b/web/lib/stores/support-chat.ts
similarity index 91%
rename from web/lib/stores/kefu-chat.ts
rename to web/lib/stores/support-chat.ts
index cb51a2f..7a3dd18 100644
--- a/web/lib/stores/kefu-chat.ts
+++ b/web/lib/stores/support-chat.ts
@@ -38,8 +38,8 @@ import { summarizeIMMessage } from "@/lib/im-message"
 import { createRealtimeConnectionManager } from "@/lib/realtime-connection"
 import { generateUUID } from "@/lib/utils"
 import {
-  readKefuChatRuntimeConfig,
-  setKefuChatRuntimeConfig,
+  readSupportChatRuntimeConfig,
+  setSupportChatRuntimeConfig,
 } from "@/lib/sdk/runtime-config"
 import { translateCurrentMessage } from "@/i18n/messages"
 
@@ -107,7 +107,7 @@ function markConversationReadMessages(
   return next
 }
 
-export type KefuChatStore = {
+export type SupportChatStore = {
   title: string
   subtitle: string
   themeColor: string
@@ -149,7 +149,7 @@ function t(key: string) {
   return translateCurrentMessage(key)
 }
 
-export const useKefuChatStore = create<KefuChatStore>((set, get) => {
+export const useSupportChatStore = create<SupportChatStore>((set, get) => {
   const realtime = createRealtimeConnectionManager({
     createSocket: createImRealtimeConnection,
     canReconnect: () => Boolean(get().isOpen && get().conversation?.id),
@@ -204,7 +204,7 @@ export const useKefuChatStore = create<KefuChatStore>((set, get) => {
           document.visibilityState !== "visible"
         ) {
           const state = get()
-          showNotification(t("kefu.newMessage"), getNotificationBody(message), () => {
+          showNotification(t("supportChat.newMessage"), getNotificationBody(message), () => {
             state.setIsOpen(true)
             state.setIsVisible(true)
           })
@@ -236,7 +236,7 @@ export const useKefuChatStore = create<KefuChatStore>((set, get) => {
   }
 
   return {
-    title: t("kefu.title"),
+    title: t("supportChat.title"),
     subtitle: "",
     themeColor: "#2563eb",
     conversation: null,
@@ -285,15 +285,15 @@ export const useKefuChatStore = create<KefuChatStore>((set, get) => {
           }
 
           if (widgetConfig.channelId) {
-            setKefuChatRuntimeConfig({
-              ...readKefuChatRuntimeConfig(),
+            setSupportChatRuntimeConfig({
+              ...readSupportChatRuntimeConfig(),
               channelId:
-                widgetConfig.channelId || readKefuChatRuntimeConfig().channelId,
+                widgetConfig.channelId || readSupportChatRuntimeConfig().channelId,
             })
           }
 
           set({
-            title: widgetConfig.title || t("kefu.title"),
+            title: widgetConfig.title || t("supportChat.title"),
             subtitle: widgetConfig.subtitle || "",
             themeColor: widgetConfig.themeColor || "#2563eb",
           })
@@ -324,7 +324,7 @@ export const useKefuChatStore = create<KefuChatStore>((set, get) => {
           }
           set({
             status: "disconnected",
-            error: error instanceof Error ? error.message : t("kefu.initFailed"),
+            error: error instanceof Error ? error.message : t("supportChat.initFailed"),
           })
         }
       }
@@ -355,7 +355,7 @@ export const useKefuChatStore = create<KefuChatStore>((set, get) => {
         })
       } catch (error) {
         set({
-          error: error instanceof Error ? error.message : t("kefu.loadMessagesFailed"),
+          error: error instanceof Error ? error.message : t("supportChat.loadMessagesFailed"),
         })
         throw error
       }
@@ -391,7 +391,7 @@ export const useKefuChatStore = create<KefuChatStore>((set, get) => {
         })
       } catch (error) {
         set({
-          error: error instanceof Error ? error.message : t("kefu.syncMessagesFailed"),
+          error: error instanceof Error ? error.message : t("supportChat.syncMessagesFailed"),
         })
       }
     },
@@ -434,7 +434,7 @@ export const useKefuChatStore = create<KefuChatStore>((set, get) => {
       } catch (error) {
         set({
           messagesLoadingMore: false,
-          error: error instanceof Error ? error.message : t("kefu.loadHistoryFailed"),
+          error: error instanceof Error ? error.message : t("supportChat.loadHistoryFailed"),
         })
         throw error
       }
@@ -496,7 +496,7 @@ export const useKefuChatStore = create<KefuChatStore>((set, get) => {
           conversationId,
           messageType: "html",
           content,
-          clientMsgId: `kefu_html_${generateUUID()}`,
+          clientMsgId: `support_chat_html_${generateUUID()}`,
         })
         set((state) => ({
           sending: false,
@@ -519,7 +519,7 @@ export const useKefuChatStore = create<KefuChatStore>((set, get) => {
       } catch (error) {
         set({
           sending: false,
-          error: error instanceof Error ? error.message : t("kefu.sendMessageFailed"),
+          error: error instanceof Error ? error.message : t("supportChat.sendMessageFailed"),
         })
         throw error
       }
@@ -540,7 +540,7 @@ export const useKefuChatStore = create<KefuChatStore>((set, get) => {
         return await uploadImImage(conversationId, file)
       } catch (error) {
         set({
-          error: error instanceof Error ? error.message : t("kefu.uploadImageFailed"),
+          error: error instanceof Error ? error.message : t("supportChat.uploadImageFailed"),
         })
         return null
       } finally {
@@ -562,7 +562,7 @@ export const useKefuChatStore = create<KefuChatStore>((set, get) => {
           messageType: "attachment",
           content: asset.filename,
           payload: JSON.stringify({ assetId: asset.assetId }),
-          clientMsgId: `kefu_attachment_${generateUUID()}`,
+          clientMsgId: `support_chat_attachment_${generateUUID()}`,
         })
         set((state) => ({
           uploadingAsset: false,
@@ -585,7 +585,7 @@ export const useKefuChatStore = create<KefuChatStore>((set, get) => {
       } catch (error) {
         set({
           uploadingAsset: false,
-          error: error instanceof Error ? error.message : t("kefu.sendAttachmentFailed"),
+          error: error instanceof Error ? error.message : t("supportChat.sendAttachmentFailed"),
         })
         throw error
       }
@@ -614,7 +614,7 @@ export const useKefuChatStore = create<KefuChatStore>((set, get) => {
       } catch (error) {
         set({
           closingConversation: false,
-          error: error instanceof Error ? error.message : t("kefu.closeConversationFailed"),
+          error: error instanceof Error ? error.message : t("supportChat.closeConversationFailed"),
         })
         throw error
       }
@@ -634,7 +634,7 @@ export const useKefuChatStore = create<KefuChatStore>((set, get) => {
       } catch (error) {
         set({
           status: "disconnected",
-          error: error instanceof Error ? error.message : t("kefu.refreshFailed"),
+          error: error instanceof Error ? error.message : t("supportChat.refreshFailed"),
         })
       }
     },
diff --git a/web/lib/kefu-host-bridge.ts b/web/lib/support-host-bridge.ts
similarity index 79%
rename from web/lib/kefu-host-bridge.ts
rename to web/lib/support-host-bridge.ts
index e50c6fe..aa7f570 100644
--- a/web/lib/kefu-host-bridge.ts
+++ b/web/lib/support-host-bridge.ts
@@ -1,5 +1,5 @@
-import { setKefuChatRuntimeConfig } from "@/lib/sdk/runtime-config"
-import type { KefuChatRuntimeConfig } from "@/lib/sdk/config-types"
+import { setSupportChatRuntimeConfig } from "@/lib/sdk/runtime-config"
+import type { SupportChatRuntimeConfig } from "@/lib/sdk/config-types"
 
 type HostBridgeOptions = {
   onInit?: () => void
@@ -17,7 +17,7 @@ const REQUEST_MINIMIZE_MESSAGE_TYPE = "cs-agent:request-minimize"
 const REQUEST_CLOSE_MESSAGE_TYPE = "cs-agent:request-close"
 const REQUEST_TOGGLE_MAXIMIZE_MESSAGE_TYPE = "cs-agent:request-toggle-maximize"
 
-export function bindKefuHostBridge(options: HostBridgeOptions = {}) {
+export function bindSupportHostBridge(options: HostBridgeOptions = {}) {
   if (typeof window === "undefined") {
     return () => undefined
   }
@@ -30,7 +30,7 @@ export function bindKefuHostBridge(options: HostBridgeOptions = {}) {
     const data = event.data as
       | {
           type?: string
-          payload?: KefuChatRuntimeConfig | { isMaximized?: boolean }
+          payload?: SupportChatRuntimeConfig | { isMaximized?: boolean }
         }
       | undefined
     if (!data?.type) {
@@ -38,7 +38,7 @@ export function bindKefuHostBridge(options: HostBridgeOptions = {}) {
     }
 
     if (data.type === INIT_MESSAGE_TYPE && data.payload) {
-      setKefuChatRuntimeConfig(data.payload as KefuChatRuntimeConfig)
+      setSupportChatRuntimeConfig(data.payload as SupportChatRuntimeConfig)
       options.onInit?.()
       return
     }
@@ -72,14 +72,14 @@ function postToParent(type: string) {
   }
 }
 
-export function requestKefuHostMinimize() {
+export function requestSupportHostMinimize() {
   postToParent(REQUEST_MINIMIZE_MESSAGE_TYPE)
 }
 
-export function requestKefuHostClose() {
+export function requestSupportHostClose() {
   postToParent(REQUEST_CLOSE_MESSAGE_TYPE)
 }
 
-export function requestKefuHostToggleMaximize() {
+export function requestSupportHostToggleMaximize() {
   postToParent(REQUEST_TOGGLE_MAXIMIZE_MESSAGE_TYPE)
 }
diff --git a/web/messages/en-US.json b/web/messages/en-US.json
index 5f26aca..50eff03 100644
--- a/web/messages/en-US.json
+++ b/web/messages/en-US.json
@@ -270,7 +270,7 @@
     "claiming": "Claiming...",
     "confirmClaim": "Claim"
   },
-  "kefu": {
+  "supportChat": {
     "title": "Support",
     "agentLabel": "Support",
     "customerSelf": "You",
diff --git a/web/messages/zh-CN.json b/web/messages/zh-CN.json
index c3b969d..96b2849 100644
--- a/web/messages/zh-CN.json
+++ b/web/messages/zh-CN.json
@@ -270,7 +270,7 @@
     "claiming": "认领中...",
     "confirmClaim": "确认认领"
   },
-  "kefu": {
+  "supportChat": {
     "title": "在线客服",
     "agentLabel": "客服",
     "customerSelf": "我",