Better bracket logic

backend/app/core/structures.py

@@ -0,0 +1,19 @@
+# backend/app/core/structures.py
+from dataclasses import dataclass, field
+from typing import Optional
+
+from ..constants import BracketTypes
+
+
+@dataclass
+class Match:
+    id: int
+    bracket_type: BracketTypes
+    round_number: int
+    next_win: Optional["Match"] = None
+    next_loss: Optional["Match"] = None
+    next_win_slot: int = 0
+    next_loss_slot: int = 0
+    teams: list[Optional[int]] = field(default_factory=lambda: [None, None])
+    is_bye: bool = False
+    ghost_count: int = 0