refactor(core): add headless run and auto-restart

- Run without console by default
- Log to file once console hidden
- Recover panics in background goroutines
- Restart agent after unexpected errors
- Use shared instance launch helper

lib/helpers/helpers.go

@@ -2,7 +2,6 @@ package helpers
 
 import (
 	"encoding/json"
-	"log"
 	"net"
 	"net/http"
 	"os"
@@ -12,8 +11,6 @@ import (
 	"tea.chunkbyte.com/kato/go-worm/lib/models"
 )
 
-var Log = log.New(os.Stdout, "", log.Ldate|log.Ltime|log.Lmicroseconds)
-
 func RecoverHandler(next http.Handler) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		defer func() {