feat:

1. local msg/file share by webrtc
fix:
  1. meta clean goroutine walk error
  2. clean interval to args(--clean)

frontend/src/hook/message/u-message.tsx

@@ -0,0 +1,126 @@
+import {createRoot} from "react-dom/client";
+import {useState} from "react";
+import {createUseStyles} from "react-jss";
+
+const useStyle = createUseStyles({
+    container: {
+        position: 'fixed',
+        width: '100%',
+        display: 'flex',
+        zIndex: 10000,
+        top: '20px',
+        justifyContent: "center",
+        alignItems: "center",
+        flexDirection: "column",
+    },
+    message: {
+        width: '100%',
+        maxWidth: '300px',
+        background: '#fafafa',  // 浅灰背景与其他状态统一
+        borderRadius: '8px',
+        padding: '10px 10px 10px 20px',  // 统一左侧20px留白
+
+        borderLeft: '4px solid #e0e0e0',  // 加粗为4px与其他状态一致
+        color: '#757575',  // 中性灰文字
+
+        boxShadow: '0 2px 6px rgba(224, 224, 224, 0.15)',  // 灰色投影
+        transition: 'all 0.3s ease-in-out',  // 补全时间单位
+
+        marginBottom: '20px',
+
+        '&.success': {
+            color: '#2e7d32',
+            backgroundColor: '#f0f9eb',
+            borderLeft: '4px solid #4CAF50',
+            paddingLeft: '20px',
+            boxShadow: '0 2px 6px rgba(76, 175, 80, 0.15)'
+        },
+        '&.warning': {
+            color: '#faad14',  // 警告文字色
+            backgroundColor: '#fffbe6', // 浅黄色背景
+            borderLeft: '4px solid #ffc53d', // 琥珀色左侧标识
+            paddingLeft: '20px',
+            boxShadow: '0 2px 6px rgba(255, 197, 61, 0.15)' // 金色投影
+        },
+        '&.error': {
+            color: '#f5222d',  // 错误文字色
+            backgroundColor: '#fff1f0', // 浅红色背景
+            borderLeft: '4px solid #ff4d4f', // 品红色左侧标识
+            paddingLeft: '20px',
+            boxShadow: '0 2px 6px rgba(255, 77, 79, 0.15)' // 红色投影
+        }
+    }
+})
+
+let el = document.querySelector("#u-message")
+if (!el) {
+    el = document.createElement('div')
+    el.className = 'u-message'
+    el.id = 'u-message'
+    document.body.append(el)
+}
+
+export interface Message {
+    id: number
+    content: string
+    duration: number
+    type: 'info' | 'success' | 'warning' | 'error'
+}
+
+export interface MessageApi {
+    info: (content: string, duration?: number) => void;
+    warning: (content: string, duration?: number) => void;
+    success: (content: string, duration?: number) => void;
+    error: (content: string, duration?: number) => void;
+}
+
+const default_duration = 3000
+
+
+let add: (msg: Message) => void;
+
+const MessageContainer: React.FC = () => {
+    const classes = useStyle()
+    const [msgs, setMsgs] = useState<Message[]>([]);
+
+    const remove = (id: number) => {
+        setMsgs(prevMsgs => prevMsgs.filter(v => v.id !== id));
+    }
+
+    add = (msg: Message) => {
+        const id = Date.now();
+        setMsgs(prevMsgs => {
+            const newMsgs = [{...msg, id}, ...prevMsgs];
+            // 直接限制数组长度为5，移除最旧的消息（最后一项）
+            if (newMsgs.length > 5) {
+                newMsgs.pop();
+            }
+            return newMsgs;
+        });
+
+        setTimeout(() => {
+            remove(id);
+        }, msg.duration ?? default_duration);
+    }
+
+    return <div className={classes.container}>
+        {msgs.map(m => <div key={m.id} className={`${classes.message} ${m.type}`}>{m.content}</div>)}
+    </div>
+}
+
+createRoot(el).render(<MessageContainer/>)
+
+export const message: MessageApi = {
+    info: function (content: string, duration?: number): void {
+        add({content: content, duration: duration, type: "info"} as Message)
+    },
+    warning: function (content: string, duration?: number): void {
+        add({content: content, duration: duration, type: "warning"} as Message)
+    },
+    success: function (content: string, duration?: number): void {
+        add({content: content, duration: duration, type: "success"} as Message)
+    },
+    error: function (content: string, duration?: number): void {
+        add({content: content, duration: duration, type: "error"} as Message)
+    }
+}