feat:显示资源点

- 登录之后就获取资源点并持久化
- 显示剩余资源点到页面上
- 一轮对话完成之后重新获取资源点并且更新缓存

src/utils/messageHandler.ts

@@ -18,7 +18,7 @@ import { ChatHistoryManager } from "./chatHistoryManager";
 import { dialogManager, DialogSession } from "../services/dialogService";
 import { userInteractionManager } from "../services/userInteraction";
 import { healthCheck } from "../services/apiClient";
-import { checkBalanceBeforeSend } from "../services/creditsService";
+import { checkBalanceBeforeSend, fetchBalance } from "../services/creditsService";
 
 import type { RunMode, ServiceTier } from "../types/api";
 
@@ -200,6 +200,17 @@ async function handleUserMessageWithBackend(
           // 最后一次发送完整的段落
           console.log("[MessageHandler] 对话完成, 段落数:", segments.length);
 
+          // 对话完成后重新获取余额（因为已经消耗了 Credits）
+          try {
+            console.log("[MessageHandler] 对话完成，重新获取余额...");
+            const newBalance = await fetchBalance();
+            if (newBalance !== null) {
+              console.log("[MessageHandler] 余额已更新:", newBalance);
+            }
+          } catch (error) {
+            console.error("[MessageHandler] 获取余额失败:", error);
+          }
+
           const result = await panel.webview.postMessage({
             command: "updateSegments",
             segments: segments,