Add a configuration `logPreviousMessages`

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/network/protocol/tim/TIMBotNetworkHandler.kt

@@ -226,7 +226,9 @@ internal class TIMBotNetworkHandler internal constructor(coroutineContext: Corou
                 return
 
             if (!packet::class.annotations.filterIsInstance<NoLog>().any()) {
-                bot.logger.verbose("Packet received: $packet")
+                if ((packet as? BroadcastControllable)?.shouldBroadcast != false) {
+                    bot.logger.verbose("Packet received: $packet")
+                }
             }
 
             when (packet) {

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/BotConfiguration.kt

@@ -62,6 +62,12 @@ class BotConfiguration : CoroutineContext.Element {
      * 验证码处理器
      */
     var captchaSolver: CaptchaSolver = DefaultCaptchaSolver
+    /**
+     * 登录完成后几秒会收到好友消息的历史记录,
+     * 这些历史记录不会触发事件.
+     * 这个选项为是否把这些记录添加到日志
+     */
+    var logPreviousMessages: Boolean = false
 
     companion object Key : CoroutineContext.Key<BotConfiguration> {
         /**