From eb04a6baa83e0e6a4898c7d5a55001465b6dcdc6 Mon Sep 17 00:00:00 2001
From: thzxx <thzxx@users.noreply.gitee.com>
Date: Fri, 3 Apr 2026 12:39:59 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E5=8E=86=E5=8F=B2=E8=AE=B0=E5=BD=95?=
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问题根因：
1. startNewSession() 未保存当前会话 → 点「新建会话」时旧会话丢失
2. 用户消息发送后未立即保存 → 刷新/关闭页面丢失对话
3. 通用错误处理中 saveCurrentSession() 缺少 await

修复：
- startNewSession: 新建前先保存当前会话（有消息时）
- sendMessage: 发送用户消息后立即 saveCurrentSession
- catch 块中 saveCurrentSession 补上 await
---
 js/app.js                   | 10 +++++++++-
 js/components/input-area.js |  5 ++++-
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/js/app.js b/js/app.js
index d1f025c..73e9068 100644
--- a/js/app.js
+++ b/js/app.js
@@ -33,7 +33,15 @@ function createNewSession() {
     };
 }
 
-function startNewSession() {
+async function startNewSession() {
+    // 先保存当前会话（如果有的话）
+    const db = state.get(KEYS.DB);
+    const currentSession = state.get(KEYS.CURRENT_SESSION);
+    if (db && currentSession && currentSession.messages.length > 0) {
+        currentSession.updatedAt = Date.now();
+        await db.saveSession(currentSession);
+    }
+
     const session = createNewSession();
     state.set(KEYS.CURRENT_SESSION, session);
     state.set(KEYS.IS_HISTORY_VIEW, false);
diff --git a/js/components/input-area.js b/js/components/input-area.js
index 58ef29e..aab23a3 100644
--- a/js/components/input-area.js
+++ b/js/components/input-area.js
@@ -174,6 +174,9 @@ export async function sendMessage() {
     msgsToAdd.forEach(m => currentSession.messages.push(m));
     renderMessages();
 
+    // 立即保存（防止新建会话或刷新时丢失用户消息）
+    await saveCurrentSession();
+
     // 清空输入
     chatInputEl.value = '';
     pendingImages = [];
@@ -307,7 +310,7 @@ export async function sendMessage() {
             currentSession.messages.push(partialMsg);
             const contentDiv = placeholder?.querySelector('.msg-content');
             if (contentDiv) contentDiv.innerHTML = `<p>${existingContent}</p><p><code>[已中断]</code></p>`;
-            saveCurrentSession();
+            await saveCurrentSession();
         } else {
             if (placeholder) placeholder.remove();
         }