feat: Add a new cleaner page for managing and automatically cleaning error S2A accounts, supported by new backend services for logging, authentication, and client operations.

backend/internal/logger/logger.go

@@ -243,6 +243,43 @@ func ClearLogs() {
 	logs = make([]LogEntry, 0, 1000)
 }
 
+// GetLogsByModuleAndLevel 按模块和级别筛选日志并分页（最新的在前）
+func GetLogsByModuleAndLevel(module, level string, page, pageSize int) ([]LogEntry, int) {
+	logsMu.RLock()
+	defer logsMu.RUnlock()
+
+	// 倒序收集匹配的日志
+	var filtered []LogEntry
+	for i := len(logs) - 1; i >= 0; i-- {
+		if logs[i].Module == module {
+			// 如果指定了级别，则进行过滤
+			if level != "" && logs[i].Level != level {
+				continue
+			}
+			filtered = append(filtered, logs[i])
+		}
+	}
+
+	total := len(filtered)
+	if page < 1 {
+		page = 1
+	}
+	if pageSize <= 0 {
+		pageSize = 5
+	}
+
+	start := (page - 1) * pageSize
+	if start >= total {
+		return []LogEntry{}, total
+	}
+	end := start + pageSize
+	if end > total {
+		end = total
+	}
+
+	return filtered[start:end], total
+}
+
 // ClearLogsByModule 按模块清除日志
 func ClearLogsByModule(module string) int {
 	logsMu.Lock()