feat: v0.12.0 — contracts → packages: load/fly/abandon gameplay (ATR 72-600 capacity 6, manual flight to any airport, time-scaled abandon penalty 15–60%), one-time DB migration preserving wallet/clock; new endpoints /api/packages/:id/load|abandon + /api/planes/:planeId/fly

lib/game/catalog.ts

@@ -13,6 +13,8 @@ export interface PlaneType {
   // Market price in € (v0.8.0): buying costs `price`, selling pays out
   // SELL_FRACTION × price.
   price: number;
+  // Cargo slot capacity (v0.12.0): how many packages can be loaded on one plane.
+  capacity: number;
 }
 
 export const PLANE_TYPES: Record<string, PlaneType> = {
@@ -25,6 +27,7 @@ export const PLANE_TYPES: Record<string, PlaneType> = {
     // €200k — with the starting cash of €20k and typical hop rewards (~€1–3k),
     // a second ATR takes sustained play to afford, as intended for the MVP sink.
     price: 200_000,
+    capacity: 6,
   },
 };
 
@@ -47,6 +50,7 @@ export interface CatalogEntry {
   maxFuel: number;
   burnPerKm: number;
   speedKmh: number;
+  capacity: number;
 }
 
 // The catalog as a flat array, one entry per plane type — the single source of
@@ -59,5 +63,6 @@ export function catalogEntries(): CatalogEntry[] {
     maxFuel: t.maxFuel,
     burnPerKm: t.burnPerKm,
     speedKmh: t.speedKmh,
+    capacity: t.capacity,
   }));
 }