complete regen of hero classes, spells, races, etc

app/game/models/abilities.py

@@ -0,0 +1,17 @@
+from __future__ import annotations
+from dataclasses import dataclass
+from typing import Dict
+
+@dataclass(frozen=True)
+class Ability:
+    id: str
+    name: str
+    class_name: str
+    path: str
+    tier: int           # 1..level; use this as your learn/unlock gate
+    element: str
+    cost_mp: int
+    damage_power: float # abstract power; plug into your combat math
+    scaling_stat: str   # e.g., "CHA"
+    scaling_coeff: float# e.g., 1.22 means +122% of stat modifier
+    rules_text: str     # readable summary (optional)