diff --git a/src/panels/ICHelperPanel.ts b/src/panels/ICHelperPanel.ts
index daeeaef..df0a0b0 100644
--- a/src/panels/ICHelperPanel.ts
+++ b/src/panels/ICHelperPanel.ts
@@ -12,7 +12,9 @@ import {
   handlePlanAction,
   setPendingPlanExecution,
   getCurrentTaskId,
+  setLastTaskId,
 } from "../utils/messageHandler";
+import { compactDialog } from "../services/apiClient";
 import { VCDViewerPanel } from "./VCDViewerPanel";
 import { ChatHistoryManager } from "../utils/chatHistoryManager";
 import { MessageType } from "../types/chatHistory";
@@ -195,6 +197,39 @@ export async function showICHelperPanel(
         case "abortDialog":
           void abortCurrentDialog();
           break;
+        // 新增：压缩会话
+        case "compressConversation":
+          {
+            const taskId = getCurrentTaskId();
+            if (taskId) {
+              compactDialog(taskId)
+                .then((result) => {
+                  if (result.success) {
+                    panel.webview.postMessage({
+                      command: "receiveMessage",
+                      text: "✅ 会话压缩完成",
+                    });
+                  } else {
+                    panel.webview.postMessage({
+                      command: "receiveMessage",
+                      text: `❌ 压缩失败: ${result.error || "未知错误"}`,
+                    });
+                  }
+                })
+                .catch((err) => {
+                  panel.webview.postMessage({
+                    command: "receiveMessage",
+                    text: `❌ 压缩失败: ${err.message || "网络错误"}`,
+                  });
+                });
+            } else {
+              panel.webview.postMessage({
+                command: "receiveMessage",
+                text: "❌ 没有活跃的会话",
+              });
+            }
+          }
+          break;
         // 处理计划操作（只做模式切换，响应已通过 submitAnswer 发送）
         case "planAction":
           if (message.action === "confirm") {
@@ -528,6 +563,9 @@ async function selectConversation(
       return;
     }
 
+    // 设置 lastTaskId，用于压缩等操作
+    setLastTaskId(taskId);
+
     // 更新面板的任务映射，确保后续对话保存到正确的任务中
     const panelId = (panel as any).__uniqueId;
     historyManager.setPanelTask(panelId, taskId, workspacePath);
diff --git a/src/services/userInteraction.ts b/src/services/userInteraction.ts
index e14d192..a5fea5a 100644
--- a/src/services/userInteraction.ts
+++ b/src/services/userInteraction.ts
@@ -67,13 +67,13 @@ export class UserInteractionManager {
         reject
       });
 
-      // 设置超时（5分钟）
+      // 设置超时（2小时）
       setTimeout(() => {
         if (this.pendingQuestions.has(askId)) {
           this.pendingQuestions.delete(askId);
           reject(new Error('用户回答超时'));
         }
-      }, 300000);
+      }, 7200000);
     });
   }
 
diff --git a/src/views/webviewContent.ts b/src/views/webviewContent.ts
index 25bc90f..a75ae93 100644
--- a/src/views/webviewContent.ts
+++ b/src/views/webviewContent.ts
@@ -571,6 +571,13 @@ export function getWebviewContent(iconUri?: string): string {
           currentSegmentedMessage = null;
           break;
 
+        case 'contextUsage':
+          // 更新上下文使用量显示
+          if (typeof updateContextDisplay === 'function') {
+            updateContextDisplay(message.currentTokens, message.maxTokens);
+          }
+          break;
+
         case 'hideLoading':
           // 隐藏加载指示器
           hideLoadingIndicator();