feat(log): Seq 会话追踪、控制台降噪与推送质量增强

请求日志自动带 sid/request_id，支持 LogBind；挂 Seq 后控制台仅 Warn+，Seq 仍全量；并修毫秒时间戳、@m、失败重试与停机 flush。

Co-authored-by: Cursor <cursoragent@cursor.com>

context.go

@@ -6,19 +6,20 @@ import (
 	"io"
 	"mime/multipart"
 	"net/http"
-	"strings"
 	"sync"
 	"time"
 
 	. "code.hoteas.com/golang/hotime/common"
 	. "code.hoteas.com/golang/hotime/db"
+	htlog "code.hoteas.com/golang/hotime/log"
 )
 
 type Context struct {
 	*Application
 	Resp         http.ResponseWriter
 	Req          *http.Request
-	Log          Map //日志有则创建
+	Log          Map //业务 logs 表字段（有则写入），与 Logger 不同
+	Logger       *htlog.Logger // 请求级日志（带 sid/request_id），业务与 SQL 共用
 	RouterString []string
 	Config       Map
 	Db           *HoTimeDB
@@ -60,7 +61,7 @@ func (that *Context) Display(statu int, data interface{}) {
 		//兼容android等需要json转对象的服务
 		resp["error"] = temp
 
-		that.Application.Log.Warn().Int("status", statu).Msg(resp.ToJsonString())
+		that.reqLogger().Warn().Int("status", statu).Msg(resp.ToJsonString())
 
 	} else {
 		resp["result"] = data
@@ -71,6 +72,33 @@ func (that *Context) Display(statu int, data interface{}) {
 	//that.Data=d;
 }
 
+// reqLogger 返回请求级 Logger，nil 时回退 Application.Log
+func (that *Context) reqLogger() *htlog.Logger {
+	if that.Logger != nil {
+		return that.Logger
+	}
+	if that.Application != nil {
+		return that.Application.Log
+	}
+	return nil
+}
+
+// LogBind 为本请求追加自定义日志字段（如 user_id），后续业务日志与 SQL 日志均携带。
+// 供 main.go 的 connectListener 调用；nil 安全。
+func (that *Context) LogBind(key string, value interface{}) {
+	if that == nil || key == "" {
+		return
+	}
+	base := that.reqLogger()
+	if base == nil {
+		return
+	}
+	that.Logger = base.WithFields(key, ObjToStr(value))
+	if that.Db != nil {
+		that.Db.Log = that.Logger
+	}
+}
+
 func (that *Context) View() {
 	if that.RespFunc != nil {
 		that.RespFunc()
@@ -87,19 +115,7 @@ func (that *Context) View() {
 		if that.Session("user_id").Data != nil {
 			that.Log["user_id"] = that.Session("user_id").ToCeilInt()
 		}
-		//负载均衡优化
-		ipStr := ""
-		if that.Req.Header.Get("X-Forwarded-For") != "" {
-			ipStr = that.Req.Header.Get("X-Forwarded-For")
-		} else if that.Req.Header.Get("X-Real-IP") != "" {
-			ipStr = that.Req.Header.Get("X-Real-IP")
-		}
-		//负载均衡优化
-		if ipStr == "" {
-			//RemoteAddr := that.Req.RemoteAddr
-			ipStr = Substr(that.Req.RemoteAddr, 0, strings.Index(that.Req.RemoteAddr, ":"))
-		}
-		that.Log["ip"] = ipStr
+		that.Log["ip"] = clientIP(that.Req)
 		that.Db.Insert("logs", that.Log)
 	}