fix: correct score display and selection logic in FarkelGame

- Fix turn score display to show kept dice separately from selected dice
- Update selection scoring to only evaluate currently selected dice, not combined with set aside dice
- Add validation check for empty selections

public/src/games/farkel/FarkelGame.js

@@ -425,7 +425,9 @@ export default class FarkelGame extends Phaser.Scene {
       const hasPending = this.gs.turn.kept > 0 || (this.gs.phase === 'awaitPick' && this.selectionScore() > 0);
       const showTurn = (seat === cur && !isGameOver(this.gs) && hasPending);
       if (showTurn) {
-        const total = (this.gs.phase === 'awaitPick') ? this.selectionScore() : this.gs.turn.kept;
+        const total = (this.gs.phase === 'awaitPick')
+          ? this.gs.turn.kept + this.selectionScore()
+          : this.gs.turn.kept;
         row.score.setText(`${p.score} +${total}`);
       } else {
         row.score.setText(String(p.score));
@@ -499,13 +501,14 @@ export default class FarkelGame extends Phaser.Scene {
   // ── selection helpers ─────────────────────────────────────────────────────────
   selectionValues() { return [...this.selected].map((i) => this.gs.turn.rolled[i]); }
   selectionValid() {
-    const combined = [...this.gs.turn.setAsideDice, ...this.selectionValues()];
-    return scoreSelection(combined).valid;
+    const values = this.selectionValues();
+    if (values.length === 0) return false;
+    return scoreSelection(values).valid;
   }
   selectionScore() {
-    const combined = [...this.gs.turn.setAsideDice, ...this.selectionValues()];
-    if (combined.length === 0) return 0;
-    const r = scoreSelection(combined);
+    const values = this.selectionValues();
+    if (values.length === 0) return 0;
+    const r = scoreSelection(values);
     return r.valid ? r.points : 0;
   }