feat: 用户消息编辑功能，编辑后重新请求AI回复

templates/index.html

@@ -60,6 +60,10 @@
         .action-btn:hover { background: #e8e8e8; border-color: #ccc; }
         .action-btn.copied { color: #10a37f; border-color: #10a37f; background: #e8f5e9; }
         .action-btn.regenerate:hover { color: #667eea; border-color: #667eea; }
+        .action-btn.edit:hover { color: #10a37f; border-color: #10a37f; }
+        
+        /* 用户消息编辑样式 */
+        .edit-textarea:focus { outline: none; border-color: #10a37f; box-shadow: 0 0 0 2px rgba(16,163,127,0.1); }
         
         /* 版本切换控件 - 简洁版 */
         .version-switcher { display: none; align-items: center; gap: 4px; margin-left: 4px; }
@@ -440,6 +444,9 @@
                 html += `<span class="version-label" id="${messageId}_version_label">1/1</span>`;
                 html += `<button class="version-arrow" onclick="switchVersion('${messageId}', 1)" data-dir="next"><i class="ri-arrow-right-s-line"></i></button>`;
                 html += `</span>`;
+            } else {
+                // 用户消息添加编辑按钮
+                html += `<button class="action-btn edit" onclick="editUserMessage(this)" title="编辑并重新发送"><i class="ri-edit-line"></i> 编辑</button>`;
             }
             html += `</div>`;
             
@@ -742,6 +749,136 @@
             }
         }
         
+        // 编辑用户消息并重新发送
+        let editingUserMessage = null;  // 正在编辑的用户消息元素
+        
+        function editUserMessage(btn) {
+            const messageDiv = btn.closest('.message.user');
+            if (!messageDiv) return;
+            
+            // 获取消息内容
+            const contentDiv = messageDiv.querySelector('.user-message-text');
+            const originalContent = contentDiv.textContent;
+            const actionsDiv = messageDiv.querySelector('.message-actions');
+            
+            // 保存原始状态用于取消
+            editingUserMessage = {
+                element: messageDiv,
+                originalContent: originalContent,
+                contentDiv: contentDiv,
+                actionsDiv: actionsDiv
+            };
+            
+            // 将消息文本变成可编辑的textarea
+            contentDiv.innerHTML = `<textarea class="edit-textarea" style="width:100%;min-height:60px;padding:8px;border:1px solid #ddd;border-radius:8px;font-size:15px;resize:vertical;">${escapeHtml(originalContent)}</textarea>`;
+            
+            // 隐藏原有操作按钮，显示编辑操作按钮
+            actionsDiv.innerHTML = `
+                <button class="action-btn" onclick="confirmEditMessage()" style="background:#10a37f;color:white;border-color:#10a37f;"><i class="ri-check-line"></i> 确认</button>
+                <button class="action-btn" onclick="cancelEditMessage()"><i class="ri-close-line"></i> 取消</button>
+            `;
+            
+            // 聚焦到textarea
+            const textarea = contentDiv.querySelector('.edit-textarea');
+            textarea.focus();
+            textarea.setSelectionRange(textarea.value.length, textarea.value.length);
+            
+            // 添加Ctrl+Enter快捷键确认
+            textarea.addEventListener('keydown', (e) => {
+                if (e.key === 'Enter' && e.ctrlKey) {
+                    e.preventDefault();
+                    confirmEditMessage();
+                }
+                if (e.key === 'Escape') {
+                    e.preventDefault();
+                    cancelEditMessage();
+                }
+            });
+        }
+        
+        function cancelEditMessage() {
+            if (!editingUserMessage) return;
+            
+            // 恢复原始内容
+            editingUserMessage.contentDiv.innerHTML = escapeHtml(editingUserMessage.originalContent);
+            
+            // 恢复原始操作按钮
+            editingUserMessage.actionsDiv.innerHTML = `
+                <button class="action-btn" onclick="copyMessage(this)"><i class="ri-file-copy-line"></i> 复制</button>
+                <button class="action-btn edit" onclick="editUserMessage(this)" title="编辑并重新发送"><i class="ri-edit-line"></i> 编辑</button>
+            `;
+            
+            editingUserMessage = null;
+        }
+        
+        function confirmEditMessage() {
+            if (!editingUserMessage) return;
+            
+            const textarea = editingUserMessage.contentDiv.querySelector('.edit-textarea');
+            const newContent = textarea.value.trim();
+            
+            if (!newContent) {
+                alert('消息内容不能为空');
+                return;
+            }
+            
+            // 如果内容没有变化，直接取消编辑
+            if (newContent === editingUserMessage.originalContent) {
+                cancelEditMessage();
+                return;
+            }
+            
+            // 更新消息内容
+            editingUserMessage.contentDiv.innerHTML = escapeHtml(newContent);
+            
+            // 恢复操作按钮
+            editingUserMessage.actionsDiv.innerHTML = `
+                <button class="action-btn" onclick="copyMessage(this)"><i class="ri-file-copy-line"></i> 复制</button>
+                <button class="action-btn edit" onclick="editUserMessage(this)" title="编辑并重新发送"><i class="ri-edit-line"></i> 编辑</button>
+            `;
+            
+            // 更新最后用户消息记录
+            lastUserMessage = newContent;
+            
+            // 找到下一条assistant消息，设置重新生成标志
+            const container = document.getElementById('messagesContainer');
+            const allMessages = container.querySelectorAll('.message');
+            let nextAssistantId = null;
+            
+            for (let i = 0; i < allMessages.length; i++) {
+                if (allMessages[i] === editingUserMessage.element && i + 1 < allMessages.length) {
+                    const nextMsg = allMessages[i + 1];
+                    if (nextMsg.classList.contains('assistant')) {
+                        nextAssistantId = nextMsg.id || nextMsg.dataset.messageId;
+                    }
+                    break;
+                }
+            }
+            
+            if (nextAssistantId) {
+                isRegenerating = true;
+                regeneratingMessageId = nextAssistantId;
+                showLoadingIndicator(nextAssistantId);
+            } else {
+                // 没有assistant消息，需要创建新的
+                isRegenerating = false;
+                regeneratingMessageId = null;
+            }
+            
+            editingUserMessage = null;
+            
+            // 重新发送编辑后的消息
+            document.getElementById('sendBtn').disabled = true;
+            if (ws?.readyState === WebSocket.OPEN) {
+                ws.send(JSON.stringify({ 
+                    action: 'chat', 
+                    message: newContent, 
+                    conversation_id: currentConversationId, 
+                    agent_id: currentAgentId 
+                }));
+            }
+        }
+        
         function escapeHtml(text) {
             return text.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
         }