Update class mechanics, stat rulesets, and CoA reference catalogs

src/game/romNativeGear.ts

@@ -0,0 +1,30 @@
+import type { RomClassId } from "../app/characterCatalog";
+import compactGearCurves from "./generated/romNativeGearCurves.generated.json";
+import { normalizeRomNativeGearStats, type RomNativeGearStats } from "./romNativeStatsTypes";
+
+export type RomNativeGearSlot =
+  | "head" | "neck" | "shoulder" | "back" | "chest" | "wrist" | "hands" | "waist" | "legs" | "feet"
+  | "finger" | "trinket" | "main-hand" | "off-hand" | "ranged";
+
+interface CompactCurveCatalog {
+  readonly status: string;
+  readonly profiles: Readonly<Record<string, Readonly<Record<string, readonly (unknown | { readonly stats?: unknown })[]>>>>;
+}
+
+const catalog = compactGearCurves as unknown as CompactCurveCatalog;
+export const ROM_NATIVE_GEAR_REFERENCE_STATUS = catalog.status;
+export const ROM_NATIVE_GEAR_REFERENCE_CLASSES = Object.freeze(Object.keys(catalog.profiles) as RomClassId[]);
+
+/** Returns only compact, source-selected native reference values; unsupported class/slot pairs have no payload. */
+export function romNativeGearReference(
+  classId: RomClassId,
+  slot: RomNativeGearSlot,
+  level: number,
+): RomNativeGearStats | null {
+  const curve = catalog.profiles[classId]?.[slot];
+  if (!curve) return null;
+  const safeLevel = Math.max(1, Math.min(79, Math.trunc(Number.isFinite(level) ? level : 1)));
+  const entry = curve[safeLevel - 1];
+  const raw = entry && typeof entry === "object" && "stats" in entry ? entry.stats : entry;
+  return normalizeRomNativeGearStats(raw) ?? null;
+}