From a33187ed7a5cafe128d4c67062d926d48df90c59 Mon Sep 17 00:00:00 2001
From: yiliang114 <1204183885@qq.com>
Date: Fri, 21 Nov 2025 01:53:05 +0800
Subject: [PATCH] =?UTF-8?q?feat(vscode-ide-companion):=20=E6=96=B0?=
 =?UTF-8?q?=E5=A2=9E=E6=97=B6=E9=97=B4=E7=BA=BF=E7=BB=84=E4=BB=B6?=
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- 新增 Timeline 组件用于显示会话历史
- 支持展示消息、工具调用等事件
- 提供清晰的时间轴视图

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
---
 .../src/webview/components/Timeline.css       | 218 ++++++++++++++++++
 .../src/webview/components/Timeline.tsx       | 126 ++++++++++
 2 files changed, 344 insertions(+)
 create mode 100644 packages/vscode-ide-companion/src/webview/components/Timeline.css
 create mode 100644 packages/vscode-ide-companion/src/webview/components/Timeline.tsx

diff --git a/packages/vscode-ide-companion/src/webview/components/Timeline.css b/packages/vscode-ide-companion/src/webview/components/Timeline.css
new file mode 100644
index 00000000..b6f7cd9e
--- /dev/null
+++ b/packages/vscode-ide-companion/src/webview/components/Timeline.css
@@ -0,0 +1,218 @@
+/**
+ * @license
+ * Copyright 2025 Qwen Team
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Timeline.css - 时间线布局样式
+ * 统一展示消息、工具调用、输出等
+ */
+
+.timeline-container {
+  display: flex;
+  flex-direction: column;
+  gap: 0;
+  padding: 16px 20px;
+}
+
+/* Timeline 项目 */
+.timeline-item {
+  position: relative;
+  display: grid;
+  grid-template-columns: 20px 1fr;
+  gap: 12px;
+  padding-bottom: 16px;
+}
+
+.timeline-item.last {
+  padding-bottom: 0;
+}
+
+/* 时间线连接线 - 暂时禁用 */
+/*
+.timeline-line {
+  position: absolute;
+  left: 9px;
+  top: 20px;
+  bottom: 0;
+  width: 2px;
+  background: var(--app-transparent-inner-border);
+  opacity: 0.3;
+}
+
+.timeline-item.last .timeline-line {
+  display: none;
+}
+*/
+
+/* 状态圆点 */
+.timeline-dot {
+  position: relative;
+  width: 20px;
+  height: 20px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  flex-shrink: 0;
+  margin-top: 2px;
+  z-index: 1;
+}
+
+.dot-inner {
+  width: 8px;
+  height: 8px;
+  border-radius: 50%;
+  display: block;
+}
+
+/* 不同类型的圆点颜色 */
+.timeline-dot.blue .dot-inner {
+  background-color: var(--vscode-terminal-ansiBlue, #4fc3f7);
+}
+
+.timeline-dot.gray .dot-inner {
+  background-color: var(--app-secondary-foreground);
+  opacity: 0.5;
+}
+
+.timeline-dot.green .dot-inner {
+  background-color: var(--app-qwen-green, #6BCF7F);
+}
+
+.timeline-dot.purple .dot-inner {
+  background-color: var(--vscode-terminal-ansiMagenta, #ba68c8);
+}
+
+/* 内容区域 */
+.timeline-content {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+  min-width: 0;
+}
+
+/* 标签 */
+.timeline-label {
+  font-size: 11px;
+  font-weight: 600;
+  text-transform: uppercase;
+  letter-spacing: 0.5px;
+  color: var(--app-secondary-foreground);
+  opacity: 0.6;
+}
+
+/* 内容主体 */
+.timeline-body {
+  font-size: 13px;
+  line-height: 1.6;
+  color: var(--app-primary-foreground);
+  word-wrap: break-word;
+  overflow-wrap: break-word;
+}
+
+/* 折叠/展开按钮 */
+.timeline-toggle {
+  display: inline-flex;
+  align-items: center;
+  gap: 6px;
+  padding: 4px 8px 4px 4px;
+  background: transparent;
+  border: none;
+  border-radius: 4px;
+  color: var(--app-secondary-foreground);
+  font-size: 12px;
+  cursor: pointer;
+  transition: background-color 0.15s;
+  align-self: flex-start;
+}
+
+.timeline-toggle:hover {
+  background: var(--app-ghost-button-hover-background);
+}
+
+.timeline-toggle-icon {
+  font-size: 10px;
+  line-height: 1;
+  transition: transform 0.15s;
+}
+
+.timeline-toggle-text {
+  font-weight: 500;
+}
+
+/* 工具输出的特殊样式 */
+.timeline-item.tool-output .timeline-body {
+  background: var(--app-secondary-background);
+  border: 1px solid var(--app-transparent-inner-border);
+  border-radius: 6px;
+  padding: 12px;
+  font-family: var(--vscode-editor-font-family, 'Monaco', 'Courier New', monospace);
+  font-size: 12px;
+  color: var(--app-secondary-foreground);
+  max-height: 300px;
+  overflow-y: auto;
+}
+
+/* 工具调用的特殊样式 */
+.timeline-item.tool-call .timeline-body {
+  background: var(--app-secondary-background);
+  border: 1px solid var(--app-transparent-inner-border);
+  border-radius: 6px;
+  padding: 12px;
+}
+
+/* 用户消息样式 */
+.timeline-item.user-message .timeline-body {
+  background: var(--app-qwen-clay-button-orange);
+  border: 1px solid var(--app-transparent-inner-border);
+  border-radius: 8px;
+  padding: 10px 14px;
+}
+
+/* 助手消息样式 */
+.timeline-item.assistant-message .timeline-body {
+  /* 保持默认样式，不加背景 */
+}
+
+/* 思考消息样式 */
+.timeline-item.thinking .timeline-body {
+  color: var(--app-secondary-foreground);
+  opacity: 0.7;
+  font-style: italic;
+}
+
+/* 滚动条样式 */
+.timeline-item.tool-output .timeline-body::-webkit-scrollbar {
+  width: 6px;
+}
+
+.timeline-item.tool-output .timeline-body::-webkit-scrollbar-track {
+  background: transparent;
+}
+
+.timeline-item.tool-output .timeline-body::-webkit-scrollbar-thumb {
+  background: rgba(255, 255, 255, 0.2);
+  border-radius: 3px;
+}
+
+.timeline-item.tool-output .timeline-body::-webkit-scrollbar-thumb:hover {
+  background: rgba(255, 255, 255, 0.3);
+}
+
+/* 动画 */
+@keyframes timelineFadeIn {
+  from {
+    opacity: 0;
+    transform: translateY(-8px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+.timeline-item {
+  animation: timelineFadeIn 0.3s ease-out;
+}
diff --git a/packages/vscode-ide-companion/src/webview/components/Timeline.tsx b/packages/vscode-ide-companion/src/webview/components/Timeline.tsx
new file mode 100644
index 00000000..a38a3e39
--- /dev/null
+++ b/packages/vscode-ide-companion/src/webview/components/Timeline.tsx
@@ -0,0 +1,126 @@
+/**
+ * @license
+ * Copyright 2025 Qwen Team
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import type React from 'react';
+import { useState } from 'react';
+import './Timeline.css';
+
+export type TimelineItemType =
+  | 'user-message'
+  | 'assistant-message'
+  | 'tool-call'
+  | 'tool-output'
+  | 'thinking';
+
+export interface TimelineItemProps {
+  type: TimelineItemType;
+  children: React.ReactNode;
+  /** 是否可折叠（主要用于工具输出） */
+  collapsible?: boolean;
+  /** 默认是否展开 */
+  defaultExpanded?: boolean;
+  /** 自定义标题（用于折叠时显示） */
+  title?: string;
+  /** 是否是最后一个项目 */
+  isLast?: boolean;
+}
+
+/**
+ * Timeline 项目组件 - 统一展示消息和工具调用
+ */
+export const TimelineItem: React.FC<TimelineItemProps> = ({
+  type,
+  children,
+  collapsible = false,
+  defaultExpanded = true,
+  title,
+  isLast = false,
+}) => {
+  const [expanded, setExpanded] = useState(defaultExpanded);
+
+  const getDotColor = (): string => {
+    switch (type) {
+      case 'user-message':
+        return 'blue'; // 用户消息 - 蓝色
+      case 'assistant-message':
+        return 'gray'; // LLM 输出 - 灰色
+      case 'tool-call':
+        return 'green'; // 工具调用 - 绿色
+      case 'tool-output':
+        return 'gray'; // 工具输出 - 灰色
+      case 'thinking':
+        return 'purple'; // 思考 - 紫色
+      default:
+        return 'gray';
+    }
+  };
+
+  const getItemLabel = (): string | null => {
+    switch (type) {
+      case 'user-message':
+        return 'You';
+      case 'assistant-message':
+        return 'Qwen';
+      case 'tool-call':
+        return 'Tool Call';
+      case 'tool-output':
+        return 'Output';
+      case 'thinking':
+        return 'Thinking';
+      default:
+        return null;
+    }
+  };
+
+  const dotColor = getDotColor();
+  const itemLabel = getItemLabel();
+
+  return (
+    <div className={`timeline-item ${type} ${isLast ? 'last' : ''}`}>
+      {/* 时间线连接线 - 暂时禁用 */}
+      {/* {!isLast && <div className="timeline-line" />} */}
+
+      {/* 状态圆点 */}
+      <div className={`timeline-dot ${dotColor}`}>
+        <span className="dot-inner" />
+      </div>
+
+      {/* 内容区域 */}
+      <div className="timeline-content">
+        {/* 标签（可选） */}
+        {itemLabel && <div className="timeline-label">{itemLabel}</div>}
+
+        {/* 可折叠内容 */}
+        {collapsible ? (
+          <>
+            <button
+              className="timeline-toggle"
+              onClick={() => setExpanded(!expanded)}
+              aria-expanded={expanded}
+            >
+              <span className="timeline-toggle-icon">
+                {expanded ? '▼' : '▶'}
+              </span>
+              <span className="timeline-toggle-text">
+                {title || (expanded ? 'Hide details' : 'Show details')}
+              </span>
+            </button>
+            {expanded && <div className="timeline-body">{children}</div>}
+          </>
+        ) : (
+          <div className="timeline-body">{children}</div>
+        )}
+      </div>
+    </div>
+  );
+};
+
+/**
+ * Timeline 容器组件
+ */
+export const Timeline: React.FC<{ children: React.ReactNode }> = ({
+  children,
+}) => <div className="timeline-container">{children}</div>;