重构部分会话消息处理逻辑，优化会话消息渲染

src/components/chat/live-message-block.tsx

@@ -1,50 +0,0 @@
-"use client"
-
-import { memo, useMemo } from "react"
-import { useTranslations } from "next-intl"
-import type { LiveMessage } from "@/contexts/acp-connections-context"
-import { ContentPartsRenderer } from "@/components/message/content-parts-renderer"
-import { adaptLiveMessageFromAcp } from "@/lib/adapters/ai-elements-adapter"
-import { Message, MessageContent } from "@/components/ai-elements/message"
-
-interface LiveMessageBlockProps {
-  message: LiveMessage
-  isStreaming?: boolean
-}
-
-export const LiveMessageBlock = memo(function LiveMessageBlock({
-  message,
-  isStreaming = true,
-}: LiveMessageBlockProps) {
-  const t = useTranslations("Folder.chat.liveMessageBlock")
-  const sharedT = useTranslations("Folder.chat.shared")
-  const hasContent = message.content.length > 0
-  const adapted = useMemo(
-    () =>
-      adaptLiveMessageFromAcp(message, {
-        isLiveStreaming: isStreaming,
-        toolCallFailedText: sharedT("toolCallFailed"),
-        planUpdatedText: sharedT("planUpdated"),
-      }),
-    [message, isStreaming, sharedT]
-  )
-
-  return (
-    <Message from="assistant">
-      <MessageContent>
-        {hasContent ? (
-          <ContentPartsRenderer parts={adapted.content} role="assistant" />
-        ) : (
-          <div
-            className="flex items-center gap-1.5 text-muted-foreground py-1"
-            aria-label={t("assistantThinkingAria")}
-          >
-            <span className="h-2 w-2 rounded-full bg-primary animate-bounce [animation-delay:-0.3s]" />
-            <span className="h-2 w-2 rounded-full bg-primary animate-bounce [animation-delay:-0.15s]" />
-            <span className="h-2 w-2 rounded-full bg-primary animate-bounce" />
-          </div>
-        )}
-      </MessageContent>
-    </Message>
-  )
-})