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)