feat : custom stats with double price in commission

lib/commission/request.ts

@@ -7,6 +7,7 @@ const member = z.object({
   artifactKey: key,
   constellation: z.enum(["0", "1", "2", "3", "4", "5", "6", "0-6"]).default("0"),
   refinement: z.enum(["1", "2", "3", "4", "5", "1-5"]).default("1"),
+  customStats: z.string().trim().min(1).max(4000).optional(),
 });
 const team = z.object({ members: z.array(member).length(4) }).refine(
   ({ members }) => new Set(members.map((item) => item.characterKey)).size === 4,
@@ -14,6 +15,7 @@ const team = z.object({ members: z.array(member).length(4) }).refine(
 );
 const weaponComparison = z.object({
   characterKey: key,
+  customStats: z.string().trim().min(1).max(4000).optional(),
   weaponKeys: z.array(key).min(2).max(100),
   refinements: z.record(key, z.enum(["1", "2", "3", "4", "5"])).optional(),
 }).refine(({ weaponKeys }) => new Set(weaponKeys).size === weaponKeys.length, "Choose different weapons")
@@ -22,6 +24,7 @@ const weaponComparison = z.object({
   "Refinements must belong to selected weapons");
 const constellationComparison = z.object({
   characterKey: key,
+  customStats: z.string().trim().min(1).max(4000).optional(),
   levels: z.array(z.number().int().min(0).max(6)).min(1).max(7),
 }).refine(({ levels }) => new Set(levels).size === levels.length, "Choose different constellation levels");
 
@@ -34,9 +37,16 @@ export const commissionRequestSchema = z.object({
 
 export type CommissionRequest = z.infer<typeof commissionRequestSchema>;
 
+export function hasCustomStats(request: CommissionRequest): boolean {
+  return request.teams.some((team) => team.members.some((member) => member.customStats !== undefined)) ||
+    request.weapons.some((set) => set.customStats !== undefined) ||
+    request.constellations.some((set) => set.customStats !== undefined);
+}
+
 export function commissionPrice(request: CommissionRequest): number {
   const hasItems = request.teams.length + request.weapons.length + request.constellations.length > 0;
-  return (hasItems ? Math.max(1, request.teams.length) * 100 : 0) +
+  const subtotal = (hasItems ? Math.max(1, request.teams.length) * 100 : 0) +
     request.weapons.reduce((sum, item) => sum + item.weaponKeys.filter(Boolean).length * 20, 0) +
     request.constellations.reduce((sum, item) => sum + item.levels.length * 20, 0);
+  return subtotal * (hasCustomStats(request) ? 2 : 1);
 }