fix(init): removed unnecessary error message when waiting for child process; race with wait all

fix(exec): fallback to os.Args when no delimiter found
fix(pidproxy): fallback to os.Args when no delimiter found
fix(splitargs): return full selfArgs
fix(experiment/starter): replaced bool no-wait with count
test(docker/bookworm-newconfig): added test for background process + pid proxy

init/cron.go

@@ -63,9 +63,7 @@ cron:
 
 			iwg.Wait()
 
-			if err = cmd.Wait(); err != nil {
-				wingmate.Log().Error().Str(cronTag, cron.Name()).Msgf("got error when waiting: %+v", err)
-			}
+			_ = cmd.Wait()
 		}
 
 	fail:

init/service.go

@@ -69,9 +69,8 @@ service:
 
 		iwg.Wait()
 
-		if err = cmd.Wait(); err != nil {
-			wingmate.Log().Error().Str(serviceTag, task.Name()).Msgf("got error when waiting: %+v", err)
-		}
+		_ = cmd.Wait()
+
 	fail:
 		if failStatus {
 			time.Sleep(time.Second)