docs: add comments for all functions

web/job/check_xray_running_job.go

@@ -1,3 +1,5 @@
+// Package job provides background job implementations for the 3x-ui web panel,
+// including traffic monitoring, system checks, and periodic maintenance tasks.
 package job
 
 import (
@@ -5,16 +7,18 @@ import (
 	"github.com/mhsanaei/3x-ui/v2/web/service"
 )
 
+// CheckXrayRunningJob monitors Xray process health and restarts it if it crashes.
 type CheckXrayRunningJob struct {
 	xrayService service.XrayService
-
-	checkTime int
+	checkTime   int
 }
 
+// NewCheckXrayRunningJob creates a new Xray health check job instance.
 func NewCheckXrayRunningJob() *CheckXrayRunningJob {
 	return new(CheckXrayRunningJob)
 }
 
+// Run checks if Xray has crashed and restarts it after confirming it's down for 2 consecutive checks.
 func (j *CheckXrayRunningJob) Run() {
 	if !j.xrayService.DidXrayCrash() {
 		j.checkTime = 0