Initial commit: 网页联机狼人杀（FastAPI+WebSocket 后端 / React+TS+Sass 前端）

backend/app/game/board.py

@@ -0,0 +1,40 @@
+"""板子（角色配置）预设与校验。"""
+from __future__ import annotations
+
+from dataclasses import dataclass, field
+
+from .roles import Role
+
+
+@dataclass(frozen=True)
+class Board:
+    key: str
+    name: str
+    roles: list[Role] = field(default_factory=list)
+
+    @property
+    def seat_count(self) -> int:
+        return len(self.roles)
+
+
+BOARDS: dict[str, Board] = {
+    "classic12": Board(
+        "classic12", "经典12人局（4狼 4民 预女猎守）",
+        [Role.WEREWOLF] * 4 + [Role.VILLAGER] * 4
+        + [Role.SEER, Role.WITCH, Role.HUNTER, Role.GUARD],
+    ),
+    "standard10": Board(
+        "standard10", "标准10人局（3狼 3民 预女猎守）",
+        [Role.WEREWOLF] * 3 + [Role.VILLAGER] * 3
+        + [Role.SEER, Role.WITCH, Role.HUNTER, Role.GUARD],
+    ),
+    "quick9": Board(
+        "quick9", "快节奏9人局（3狼 3民 预女猎）",
+        [Role.WEREWOLF] * 3 + [Role.VILLAGER] * 3
+        + [Role.SEER, Role.WITCH, Role.HUNTER],
+    ),
+}
+
+
+def get_board(key: str) -> Board:
+    return BOARDS.get(key, BOARDS["classic12"])