feat: 重构聊天时间线与附件上传交互

- 管理端和用户中心统一切换到 chatTime 时间线模型，按真实 assistant/tool 时序渲染

- 收紧工具气泡与 JSON 展示样式，保留同气泡内的工具状态更新

- 回形针直接触发文件选择，附件列表上移到输入框上方并补充共享 helper 测试

easyflow-ui-usercenter/app/src/views/assistantMarket/assistant/index.vue

@@ -1,9 +1,9 @@
 <script setup lang="ts">
+import type { ChatTimeTimelineItem } from '@easyflow/types';
+
 import { onMounted, ref } from 'vue';
 import { useRoute, useRouter } from 'vue-router';
 
-import { cloneDeep } from '@easyflow/utils';
-
 import { ArrowLeft, Minus, Plus } from '@element-plus/icons-vue';
 import {
   ElAside,
@@ -81,40 +81,12 @@ function removeBotFromRecentlyUsed(botId: any) {
       }
     });
 }
-const messageList = ref<any>([]);
-function addMessage(message: any) {
-  messageList.value.push(message);
+const messageList = ref<ChatTimeTimelineItem[]>([]);
+function mutateMessages(mutator: (messages: ChatTimeTimelineItem[]) => void) {
+  const next = [...messageList.value];
+  mutator(next);
+  messageList.value = next;
 }
-function updateLastMessage(item: any) {
-  const lastIndex = messageList.value.length - 1;
-  let message = item;
-
-  if (typeof item === 'function') {
-    message = item(messageList.value[lastIndex]);
-  }
-
-  if (lastIndex >= 0) {
-    messageList.value[lastIndex] = {
-      ...messageList.value[lastIndex],
-      ...message,
-    };
-  }
-}
-const stopThinking = () => {
-  const lastIndex = messageList.value.length - 1;
-
-  if (lastIndex >= 0 && messageList.value[lastIndex]?.chains) {
-    const chains = cloneDeep(messageList.value[lastIndex].chains);
-
-    for (const chain of chains) {
-      if (!('id' in chain) && chain.thinkingStatus === 'thinking') {
-        chain.thinkingStatus = 'end';
-      }
-    }
-
-    messageList.value[lastIndex].chains = chains;
-  }
-};
 </script>
 
 <template>
@@ -145,11 +117,9 @@ const stopThinking = () => {
         <ChatBubbleList v-else :bot="botInfo" :messages="messageList" />
         <ChatSender
           class="absolute bottom-5 left-0 w-full"
-          :add-message="addMessage"
-          :update-last-message="updateLastMessage"
-          :stop-thinking="stopThinking"
           :bot="botInfo"
           :conversation-id="conversationId"
+          :mutate-messages="mutateMessages"
         />
       </div>
     </ElMain>