feat: Chat UI done

composables/useHistory.ts

@@ -1,4 +1,5 @@
 import type {ResultBlockMeta} from '~/components/aigc/drawing';
+import type {ChatSession} from "~/components/aigc/chat";
 
 export interface HistoryItem {
   fid: string
@@ -8,11 +9,17 @@ export interface HistoryItem {
   images?: string[]
 }
 
-export const useHistory = defineStore('aigc_history', () => {
+export const useHistory = defineStore('xsh_assistant_aigc_history', () => {
   const text2img = ref<HistoryItem[]>([])
+  const chatSessions = ref<ChatSession[]>([])
+  const setChatSessions = (sessions: ChatSession[]) => {
+    chatSessions.value = sessions
+  }
 
   return {
-    text2img
+    text2img,
+    chatSessions,
+    setChatSessions,
   }
 }, {
   persist: {