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feat: 添加 favicon.svg 文件并在 index.html 中引用

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This commit is contained in:
oudecheng 2026-06-08 14:43:47 +08:00
parent f470affb2f
commit 3f9bb22097
3 changed files with 41 additions and 1 deletions
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1
web/index.html
View File

@ -4,6 +4,7 @@
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>PicoBot</title>
<link rel="icon" type="image/svg+xml" href="/favicon.svg" />
</head>
<body>
<div id="root"></div>

3
web/public/favicon.svg Normal file
View File

@ -0,0 +1,3 @@
<svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 24 24" fill="none" stroke="#22d3ee" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round">
<polygon points="13 2 3 14 12 14 11 22 21 10 12 10 13 2"/>
</svg>
Side by Side

After

Width:  |  Height:  |  Size: 247 B

38
web/src/components/Chat/MessageList.tsx
View File

@ -15,6 +15,8 @@ export function MessageList({ messages, onNavigateToSubAgent }: MessageListProps
const prevShowBottomRef = useRef(false)
const prevShowTopRef = useRef(false)
const lastMessageCountRef = useRef(0)
const prevMessageCountRef = useRef(0)
const stickyLockUntilRef = useRef(0)
const isProgrammaticScrollRef = useRef(false)
const scrollTimerRef = useRef<number>(0)
@ -28,6 +30,12 @@ export function MessageList({ messages, onNavigateToSubAgent }: MessageListProps
const el = containerRef.current
if (!el) return
// sticky lock 期间：防止中间 DOM 状态的 scroll 事件打断历史加载
if (Date.now() < stickyLockUntilRef.current) {
isStickyRef.current = true
return
}
const distanceFromBottom = el.scrollHeight - el.scrollTop - el.clientHeight
const nearBottom = distanceFromBottom < 120
@ -81,13 +89,31 @@ export function MessageList({ messages, onNavigateToSubAgent }: MessageListProps
// ---- auto-scroll effect ----
useEffect(() => {
if (messages.length === 0) return
// 消息清空 → 重置所有追踪状态（话题/会话切换）
if (messages.length === 0) {
prevMessageCountRef.current = 0
lastMessageCountRef.current = 0
isStickyRef.current = true
return
}
const lastMessage = messages[messages.length - 1]
const isFreshLoad = prevMessageCountRef.current === 0 && messages.length > 0
// 用户自己发的消息 → 始终滚到底部
if (lastMessage.role === 'user') {
scrollToBottom('instant')
prevMessageCountRef.current = messages.length
return
}
// 新加载（话题切换后首次收到消息）→ 强制滚到底部
if (isFreshLoad) {
isStickyRef.current = true
lastMessageCountRef.current = 0
stickyLockUntilRef.current = Date.now() + 1500
scrollToBottom('instant')
prevMessageCountRef.current = messages.length
return
}
@ -102,6 +128,7 @@ export function MessageList({ messages, onNavigateToSubAgent }: MessageListProps
}
lastMessageCountRef.current = messages.length
prevMessageCountRef.current = messages.length
}, [messages, scrollToBottom])
// ---- ResizeObserver: 窗口大小变化时保持底部对齐 ----
@ -119,6 +146,15 @@ export function MessageList({ messages, onNavigateToSubAgent }: MessageListProps
return () => observer.disconnect()
}, [])
// ---- 组件挂载时滚动到底部 ----
useEffect(() => {
if (messages.length > 0) {
scrollToBottom('instant')
}
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [])
// ---- 清理定时器 ----
useEffect(() => {