Add microservices, web UI, and replay tooling

tests/test_env_actions.py

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+from __future__ import annotations
+
+from catan.data import Resource
+from catan.game import GameConfig, Phase
+from catan.sdk import ActionType, CatanEnv
+
+from tests.utils import find_initial_spot
+
+
+def _auto_setup(env: CatanEnv) -> None:
+    game = env.game
+    while game.phase != Phase.MAIN:
+        corner, road = find_initial_spot(game)
+        game.place_initial_settlement(corner, road)
+
+
+def test_bank_trade_action_and_port_ratio() -> None:
+    env = CatanEnv(GameConfig(player_names=["Alice", "Bob"], seed=5))
+    _auto_setup(env)
+    game = env.game
+    game.phase = Phase.MAIN
+    game.has_rolled = True
+    alice = game.players[0]
+    board = game.board
+    # Remove any accidental port bonuses from initial placements.
+    for corner_id in list(alice.settlements):
+        board.corners[corner_id].port = None
+
+    # Base bank trade (4:1)
+    alice.resources[Resource.BRICK] = 4
+    actions = env.legal_actions()
+    bank_actions = [
+        action for action in actions if action.type == ActionType.TRADE_BANK
+    ]
+    base_ratios = [
+        action.payload["ratio"]
+        for action in bank_actions
+        if action.payload["give"] == "brick"
+    ]
+    assert base_ratios and min(base_ratios) == 4
+
+    # Attach Alice to a brick port for 2:1 ratio.
+    port_corner = next(
+        corner_id
+        for corner_id, corner in board.corners.items()
+        if corner.port and corner.port.resource == Resource.BRICK
+    )
+    board.corners[port_corner].owner = alice.name
+    board.corners[port_corner].building = "settlement"
+    alice.settlements.add(port_corner)
+    alice.resources[Resource.BRICK] = 2
+
+    actions = env.legal_actions()
+    bank_actions = [
+        action for action in actions if action.type == ActionType.TRADE_BANK
+    ]
+    assert any(action.payload["give"] == "brick" and action.payload["ratio"] == 2 for action in bank_actions)
+
+
+def test_player_trade_actions_available() -> None:
+    env = CatanEnv(GameConfig(player_names=["Alice", "Bob"], seed=11))
+    _auto_setup(env)
+    game = env.game
+    game.phase = Phase.MAIN
+    game.has_rolled = True
+    alice, bob = game.players
+    alice.resources[Resource.WOOL] = 1
+    bob.resources[Resource.ORE] = 1
+
+    actions = env.legal_actions()
+    trade_actions = [
+        action for action in actions if action.type == ActionType.TRADE_PLAYER
+    ]
+    assert trade_actions, "Expected player trade actions"
+    assert any(
+        action.payload["target"] == "Bob"
+        and action.payload["offer"] == {"wool": 1}
+        and action.payload["request"] == {"ore": 1}
+        for action in trade_actions
+    )