Refresh web UI and make ML imports optional

tests/test_cli_bot.py

@@ -7,10 +7,26 @@ from catan.ml.agents import RandomAgent
 from tests.utils import find_initial_spot
 
 
+def _resolve_robber(controller: CLIController) -> None:
+    game = controller.game
+    board = game.board
+    for hex_id, tile in board.hexes.items():
+        if hex_id == board.robber_hex:
+            continue
+        victims = {
+            board.corners[corner].owner
+            for corner in tile.corners
+            if board.corners[corner].owner and board.corners[corner].owner != game.current_player.name
+        }
+        victim = next(iter(victims)) if victims else None
+        game.move_robber(hex_id, victim)
+        return
+
+
 def test_human_vs_random_bot_session() -> None:
     controller = CLIController(
-        Game(GameConfig(player_names=["Human", "Bot"], seed=9)),
-        bots={"Bot": RandomAgent(seed=3)},
+        Game(GameConfig(player_names=["Human", "Bot", "Companion"], seed=9)),
+        bots={"Bot": RandomAgent(seed=3), "Companion": RandomAgent(seed=5)},
     )
 
     # Complete setup: human manually places, bot uses random agent.
@@ -22,13 +38,16 @@ def test_human_vs_random_bot_session() -> None:
         else:
             controller._run_bot_turn(current)  # noqa: SLF001 - exercising CLI internals
 
-    # Play a few turns: human rolls and ends, bot plays automatically.
-    for _ in range(3):
+    # Play a few rounds: human rolls and ends, bots play automatically.
+    for _ in range(2):
         assert controller.game.current_player.name == "Human"
         controller.handle_command("roll")
+        if controller.game.robber_move_required:
+            _resolve_robber(controller)
         controller.handle_command("end")
-        assert controller.game.current_player.name == "Bot"
-        controller._run_bot_turn("Bot")  # noqa: SLF001
+        for name in ("Bot", "Companion"):
+            assert controller.game.current_player.name == name
+            controller._run_bot_turn(name)  # noqa: SLF001
 
     # Ensure bot activity is recorded in history.
-    assert any(log.player == "Bot" for log in controller.game.history)
+    assert any(log.player in {"Bot", "Companion"} for log in controller.game.history)