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

cmd/exec/exec.go

@@ -71,11 +71,13 @@ func main() {
 
 	app.version.Cmd(rootCmd)
 
-	selfArgs, childArgs, err = cli.SplitArgs(os.Args)
+	if selfArgs, childArgs, err = cli.SplitArgs(os.Args); err != nil {
+		selfArgs = os.Args
+	}
 	app.childArgs = childArgs
 	app.err = err
 
-	rootCmd.SetArgs(selfArgs)
+	rootCmd.SetArgs(selfArgs[1:])
 	if err := rootCmd.Execute(); err != nil {
 		log.Println(err)
 		os.Exit(1)