v0.16.9: 核心引擎深度分析修复 — 27 个问题(P0×8 + P1×19 + P2 死代码)
引擎层(agent-engine.ts): - P0-R1: handleExecuting 中止改 throw AbortError,让主循环 catch 统一处理 UI 反馈 - P0-E1: executeToolWithTimeout 注释修正,明确 fire-and-forget 限制 - P0-P3: persistLoopContext 改名 snapshotLoopContext + 补全字段,明确语义为运行时快照 - P1-E1: handleInit 增加 isAborted 检查(loadCustomFiles 和 search 后) - P1-E2: catch 块调用 snapshotLoopContext 确保终止状态写入 - P1-E3: onConfirmTool await 后检查中止信号 - P1-E4: flushAllTraces 改为 await - P1-E5: 死锁检测 ephemeral 消息加入 PRESERVE_PATTERNS - P1-E6: 记忆提取 setTimeout 存储到 _pendingMemoryTimers,finally 块清理 - P1-R5: handleExecuting 中止时设置 _abortToolRecords 上下文层(context-manager.ts + agent-engine.ts): - P0-C1: 删除 nonSystemCompressed,旧摘要不再保留(已合并到新摘要) - P0-C2: 部分删除 tool 消息时也 strip tool_calls,降级为纯文本 assistant - P1-C1: handleCompressing 移除 shouldAutoCompress 二次判断,直接执行压缩 - P1-C2: COMPRESSING 状态增加中止检查 - P1-C3: R15 tail 边界保护 middle 无 assistant 时移除孤立 tool 消息 - P1-C4: 压缩接受条件改 AND(3 处:handleInit/R8/handleCompressing) - P1-C6: head 中已压缩消息的 tool_calls 清除,避免累积膨胀 渲染层(chat-area.ts + input-area.ts + workspace-panel.ts): - P0-R2: appendAssistantPlaceholder 重置 _streamLastRenderedLen/_streamLastRenderedHash/_streamRenderContent - P1-R1: rAF 竞态通过重置 _streamRenderContent 解决 - P1-R2: clearMessages/clearMessagesDOM 重置 _sysPromptRendered - P1-R3: onNewIteration 渲染顺序修正(remove → render → append) - P1-R4: updateToolCardDOM 改用 querySelectorAll 取最后一个匹配 持久化层(chat-db.ts + sqlite.ts + ipc.ts + history-modal.ts): - P0-P1: onNewIteration 调用 saveCurrentSession 持久化中间消息 - P0-P2: 非 AbortError 异常时保存 partial 消息(标记 interrupted: true) - P1-P1: saveSession 增量保存(_savedMsgIds Set 追踪),resetSavedMsgTracking - P1-P2: 新增 saveSettingsBatch 批量写盘接口 + IPC handler - P1-P3: 删除死表 tool_calls 的 saveToolCall/getToolCallsBySession 函数和 IPC handler 死代码清理: - chat-area.ts: 删除 appendToolCallCardToPlaceholder/updateToolCallCardInPlaceholder(从未调用) - chat-area.ts: 删除 _streamRenderThink/_streamRenderModel 未使用变量 - input-area.ts: 删除 updateMessageToolRecord 空函数 + 对应 import 版本号 0.16.8 → 0.16.9
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@@ -376,8 +376,6 @@ function patchIncompleteMarkdown(md: string): string {
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// ── 流式渲染节流状态 ──
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let _streamRenderPending = false;
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let _streamRenderContent = '';
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let _streamRenderThink: string | null = null;
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let _streamRenderModel: string | undefined;
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// R58: 流式渲染优化 — 增量阈值 + 内容指纹,避免高频小片段冗余重渲染
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let _streamLastRenderedLen = 0; // 上次渲染时的内容长度
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let _streamLastRenderedHash = 0; // 上次渲染时的内容哈希(简单 DJB2)
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@@ -400,6 +398,9 @@ function _doStreamRender(): void {
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_streamRenderPending = false;
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const lastMsg = currentPlaceholder;
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if (!lastMsg) return;
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// P1-R1 修复:rAF 回调执行时 currentPlaceholder 可能已被 appendAssistantPlaceholder 替换为新节点,
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// 且 _streamRenderContent 已被重置为 '',此时不会误渲染。appendAssistantPlaceholder 中的
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// _streamRenderContent = '' 重置确保了旧 rAF 回调拿到的是空内容,不会渲染到新 placeholder。
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// R58: 增量阈值检查 — 内容变化不足时跳过本次渲染
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const contentLen = _streamRenderContent.length;
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@@ -551,44 +552,6 @@ export function updateLastAssistantMessage(
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scrollToBottom();
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}
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/** 实时追加工具调用卡片到当前 placeholder(直播聊天时使用) */
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export function appendToolCallCardToPlaceholder(tc: ToolCallRecord): void {
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if (!currentPlaceholder) return;
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let container = currentPlaceholder.querySelector('.tool-calls-container');
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if (!container) {
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container = document.createElement('div');
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container.className = 'tool-calls-container';
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const msgBody = currentPlaceholder.querySelector('.msg-body');
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if (msgBody) msgBody.appendChild(container);
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}
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const cardDiv = document.createElement('div');
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cardDiv.innerHTML = renderToolCallCard(tc);
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const card = cardDiv.firstElementChild as HTMLElement;
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card.dataset.toolName = tc.name;
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container.appendChild(card);
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scrollToBottom();
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}
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/** 更新 placeholder 中已有的工具卡片状态(running → success/error) */
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export function updateToolCallCardInPlaceholder(tc: ToolCallRecord): void {
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if (!currentPlaceholder) return;
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const container = currentPlaceholder.querySelector('.tool-calls-container');
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if (!container) return;
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// 找到第一个同名且状态为 running 的卡片(CSS.escape 防特殊字符)
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const escapedName = CSS.escape(tc.name);
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const existing = container.querySelector(`.tool-call-card[data-tool-name="${escapedName}"].tool-call-running`) as HTMLElement;
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if (existing) {
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const cardDiv = document.createElement('div');
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cardDiv.innerHTML = renderToolCallCard(tc);
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const newCard = cardDiv.firstElementChild as HTMLElement;
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newCard.dataset.toolName = tc.name;
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existing.replaceWith(newCard);
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} else {
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// 没找到 running 的卡片,直接追加
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appendToolCallCardToPlaceholder(tc);
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}
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}
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export function appendAssistantPlaceholder(): void {
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const div = document.createElement('div');
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div.className = 'message assistant loading';
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@@ -606,6 +569,12 @@ export function appendAssistantPlaceholder(): void {
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messagesContainerEl.appendChild(div);
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currentPlaceholder = div;
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// P0-R2 修复:新 placeholder 必须重置流式渲染状态,否则上一条的 _streamLastRenderedLen 会压制新消息渲染
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_streamLastRenderedLen = 0;
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_streamLastRenderedHash = 0;
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_streamRenderContent = '';
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_streamRenderPending = false;
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// R34: 启动旋转提示
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startLoadingHintRotation(div);
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@@ -654,12 +623,16 @@ export function appendSystemMessage(text: string, tempClass?: string): void {
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export function clearMessagesDOM(): void {
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messagesContainerEl.innerHTML = '';
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_renderedMsgIndices.clear(); // P1-1: 重置 diff 状态
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// P1-R2 修复:重置系统提示词标记,否则清空后首条消息不再显示系统卡片
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_sysPromptRendered = false;
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}
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export function clearMessages(): void {
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messagesContainerEl.innerHTML = '';
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currentPlaceholder = null;
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_renderedMsgIndices.clear(); // P1-1: 重置 diff 状态
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// P1-R2 修复:与 clearMessagesDOM 保持一致
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_sysPromptRendered = false;
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}
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/** 清理 currentPlaceholder 引用(当 placeholder 从外部被移除时调用) */
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