feat: Implement initial full-stack application structure including frontend pages, components, hooks, API integration, and backend services for account pooling and management.

backend/internal/logger/logger.go

@@ -0,0 +1,140 @@
+package logger
+
+import (
+	"fmt"
+	"sync"
+	"time"
+)
+
+// LogEntry 日志条目
+type LogEntry struct {
+	Timestamp time.Time `json:"timestamp"`
+	Level     string    `json:"level"`
+	Message   string    `json:"message"`
+	Email     string    `json:"email,omitempty"`
+	Module    string    `json:"module,omitempty"`
+}
+
+// 日志存储
+var (
+	logs      = make([]LogEntry, 0, 1000)
+	logsMu    sync.RWMutex
+	listeners = make(map[string]chan LogEntry)
+	listMu    sync.RWMutex
+)
+
+// AddListener 添加日志监听器
+func AddListener(id string) chan LogEntry {
+	listMu.Lock()
+	defer listMu.Unlock()
+	ch := make(chan LogEntry, 100)
+	listeners[id] = ch
+	return ch
+}
+
+// RemoveListener 移除日志监听器
+func RemoveListener(id string) {
+	listMu.Lock()
+	defer listMu.Unlock()
+	if ch, ok := listeners[id]; ok {
+		close(ch)
+		delete(listeners, id)
+	}
+}
+
+// broadcast 广播日志
+func broadcast(entry LogEntry) {
+	listMu.RLock()
+	defer listMu.RUnlock()
+	for _, ch := range listeners {
+		select {
+		case ch <- entry:
+		default:
+		}
+	}
+}
+
+// log 记录日志
+func log(level, message, email, module string) {
+	entry := LogEntry{
+		Timestamp: time.Now(),
+		Level:     level,
+		Message:   message,
+		Email:     email,
+		Module:    module,
+	}
+
+	logsMu.Lock()
+	if len(logs) >= 1000 {
+		logs = logs[100:]
+	}
+	logs = append(logs, entry)
+	logsMu.Unlock()
+
+	broadcast(entry)
+
+	// 打印到控制台
+	prefix := ""
+	switch level {
+	case "info":
+		prefix = "[INFO]"
+	case "success":
+		prefix = "[SUCCESS]"
+	case "error":
+		prefix = "[ERROR]"
+	case "warning":
+		prefix = "[WARN]"
+	}
+
+	if email != "" {
+		fmt.Printf("%s [%s] %s - %s\n", prefix, module, email, message)
+	} else {
+		fmt.Printf("%s [%s] %s\n", prefix, module, message)
+	}
+}
+
+// Info 记录信息日志
+func Info(message, email, module string) {
+	log("info", message, email, module)
+}
+
+// Success 记录成功日志
+func Success(message, email, module string) {
+	log("success", message, email, module)
+}
+
+// Error 记录错误日志
+func Error(message, email, module string) {
+	log("error", message, email, module)
+}
+
+// Warning 记录警告日志
+func Warning(message, email, module string) {
+	log("warning", message, email, module)
+}
+
+// GetLogs 获取日志
+func GetLogs(limit int) []LogEntry {
+	logsMu.RLock()
+	defer logsMu.RUnlock()
+
+	if limit <= 0 || limit > len(logs) {
+		limit = len(logs)
+	}
+
+	start := len(logs) - limit
+	if start < 0 {
+		start = 0
+	}
+
+	result := make([]LogEntry, limit)
+	copy(result, logs[start:])
+	return result
+}
+
+// ClearLogs 清空日志
+func ClearLogs() {
+	logsMu.Lock()
+	defer logsMu.Unlock()
+	logs = make([]LogEntry, 0, 1000)
+}