情绪大模型取消对话数限制，并且查询同一只股票不再去重；

src/store/emotion.ts

@@ -6,9 +6,7 @@ export const useEmotionStore = defineStore('emotion', {
     history: [] as HistoryItem[], // 历史记录数组
     stockList: [] as StockData[], // 当前显示的股票列表
     activeStockIndex: 0, // 当前激活的股票索引
-    maxStocks: 10, // 最大股票数量限制
     conversations: [] as ConversationMessage[], // 对话消息数组
-    maxConversations: 100, // 最大对话数量限制
   }),
   persist: {
     key: 'emotion-store',
@@ -22,12 +20,8 @@ export const useEmotionStore = defineStore('emotion', {
     },
     // 获取股票数量
     stockCount: (state) => state.stockList.length,
-    // 是否达到最大股票数量
-    isMaxStocks: (state) => state.stockList.length >= state.maxStocks,
     // 获取对话数量
     conversationCount: (state) => state.conversations.length,
-    // 是否达到最大对话数量
-    isMaxConversations: (state) => state.conversations.length >= state.maxConversations,
     // 获取最近的对话消息
     recentConversations: (state) => {
       return state.conversations.slice(-20); // 返回最近20条对话
@@ -44,28 +38,9 @@ export const useEmotionStore = defineStore('emotion', {
     },
     // 添加新股票
     addStock(stockData: StockData) {
-      // 检查是否已存在相同的股票
-      const existingIndex = this.stockList.findIndex(
-        stock => stock.stockInfo.code === stockData.stockInfo.code && 
-                stock.stockInfo.market === stockData.stockInfo.market
-      );
-      
-      if (existingIndex !== -1) {
-        // 如果股票已存在，更新数据并切换到该股票
-        this.stockList[existingIndex] = stockData;
-        this.activeStockIndex = existingIndex;
-      } else {
-        // 如果达到最大数量，移除最旧的股票
-        if (this.stockList.length >= this.maxStocks) {
-          this.stockList.shift();
-          if (this.activeStockIndex > 0) {
-            this.activeStockIndex--;
-          }
-        }
-        // 添加新股票并设为当前激活
-        this.stockList.push(stockData);
-        this.activeStockIndex = this.stockList.length - 1;
-      }
+      // 添加新股票并设为当前激活
+      this.stockList.push(stockData);
+      this.activeStockIndex = this.stockList.length - 1;
       
       // 同时添加到历史记录
       // this.addHistory({
@@ -130,10 +105,6 @@ export const useEmotionStore = defineStore('emotion', {
     },
     // 添加对话消息
     addConversation(message: ConversationMessage) {
-      // 如果达到最大数量，移除最旧的消息
-      if (this.conversations.length >= this.maxConversations) {
-        this.conversations.shift();
-      }
       // 添加新消息到数组末尾
       this.conversations.push({
         ...message,