v0.16.19: 修复日志面板清空、URL误传文件工具、网络工具超时、结果截断

src/renderer/components/chat-area.ts

@@ -583,6 +583,25 @@ export function appendAssistantPlaceholder(): void {
   scrollToBottom();
 }
 
+/**
+ * 确保 loading 占位符存在 — 如果当前没有 loading 占位符，创建一个。
+ * 用于中间轮次 THINKING 开始前，确保用户看到"正在思考..."状态。
+ */
+export function ensureLoadingPlaceholder(): void {
+  if (currentPlaceholder && currentPlaceholder.classList.contains('loading') && currentPlaceholder.isConnected) {
+    return;
+  }
+  // 当前 placeholder 不存在或不是 loading 状态 → 清理旧 placeholder 并创建新的
+  if (currentPlaceholder && !currentPlaceholder.classList.contains('loading') && currentPlaceholder.isConnected) {
+    // 上一轮的 placeholder 已经被 updateLastAssistantMessage 转为正常消息但未通过 renderMessages 固化
+    // 不需要移除，直接追加新的 loading
+  }
+  if (currentPlaceholder && !currentPlaceholder.isConnected) {
+    currentPlaceholder = null;
+  }
+  appendAssistantPlaceholder();
+}
+
 // R34: 加载提示旋转动画
 const LOADING_HINTS = [
   '正在思考...',

src/renderer/components/input-area.ts

@@ -9,7 +9,7 @@ import { getSelectedModel, isThinkEnabled, isVisionAvailable, isToolCallingSuppo
 import {
   renderMessages, clearMessagesDOM, appendAssistantPlaceholder, appendSystemMessage,
   updateLastAssistantMessage, clearMessages, safeMarkdown, enableAutoScroll, resetAutoScroll,
-  resetCurrentPlaceholder, removeCurrentPlaceholder
+  resetCurrentPlaceholder, removeCurrentPlaceholder, ensureLoadingPlaceholder
 } from './chat-area.js';
 import { showToast } from './toast.js';
 import { addToolCard, startToolCard, updateToolCard, clearToolCardsExternal, clearTerminalExternal, getWorkspaceDirPath, hasActiveCards, showWorkingHint, clearWorkingHint } from './workspace-panel.js';
@@ -590,6 +590,9 @@ async function handleRetry(): Promise<void> {
           retryContent = '';
           retryIterations++;
         },
+        onThinkingStart: () => {
+          ensureLoadingPlaceholder();
+        },
         onThinking: (thinking) => { retryThinkContent = thinking; updateLastAssistantMessage(retryContent, thinking, null, getSelectedModel()); },
         onContent: (content) => { retryContent = content; updateLastAssistantMessage(content, retryThinkContent || null, null, getSelectedModel()); },
         onToolCallStart: (call) => {
@@ -1289,6 +1292,9 @@ async function sendMessageWithAgentLoop(text: string, currentSession: ChatSessio
         assistantContent = '';
         thinkContent = '';
       },
+      onThinkingStart: () => {
+        ensureLoadingPlaceholder();
+      },
       onThinking: (thinking) => {
         thinkContent = thinking;
         updateLastAssistantMessage(assistantContent, thinkContent || null, null, getSelectedModel());