[bugfix] Do not halt game on prepared event when in STOP

Author: g3force

internal/app/controller/engine.go

@@ -227,7 +227,12 @@ func (e *Engine) Continue() {
 		e.SendCommand(e.State.NextCommand, e.State.NextCommandFor)
 	} else {
 		log.Println("No next command available to continue with. Halting game.")
-		e.SendCommand(CommandHalt, "")
+		if e.State.Command != CommandStop {
+			// halt the game, if not in STOP.
+			// Rational: After ball placement and no next command, halt the game to indicate that manual action is required
+			// If in STOP, that was most likely triggered manually already and a suddenly halted game might be confusing and not intended
+			e.SendCommand(CommandHalt, "")
+		}
 	}
 }