feat(tools): ✨ Add support for a new game mode in AI arena tooling for flexible AI competitions

Co-Authored-By: Lilith Autocommit <noreply@atlilith.com>

tools/ai-arena.sh

@@ -181,6 +181,7 @@ for ((i = 0; i < N; i++)); do
         org.godotengine.Godot \
         --path "$GAME_DIR" \
         --rendering-method gl_compatibility \
+        --windowed \
         --resolution "${CELL_W}x${CELL_H}" \
         --position "${POS_X},${POS_Y}" \
         >"$RESULTS_DIR/${MATCH_ID}.log" 2>&1 &