feat(ui) : improve guide navigation, signup, and commissions

lib/commission/draft.ts

@@ -0,0 +1,61 @@
+import * as z from "zod";
+import type { CommissionRequest } from "./request";
+
+const draftKey = z.string().max(64);
+const draftRequestSchema = z.object({
+  teams: z.array(z.object({ members: z.array(z.object({
+    characterKey: draftKey, weaponKey: draftKey, artifactKey: draftKey,
+    constellation: z.enum(["0", "1", "2", "3", "4", "5", "6", "0-6"]),
+    refinement: z.enum(["1", "2", "3", "4", "5", "1-5"]),
+  })).length(4) })).max(20),
+  weapons: z.array(z.object({
+    characterKey: draftKey, weaponKeys: z.array(draftKey).min(1).max(100),
+    refinements: z.record(draftKey, z.enum(["1", "2", "3", "4", "5"])).optional(),
+  })).max(20),
+  constellations: z.array(z.object({
+    characterKey: draftKey, levels: z.array(z.number().int().min(0).max(6)).max(7),
+  })).max(20),
+});
+const draftSchema = z.object({ version: z.literal(1), savedAt: z.number(), request: draftRequestSchema });
+const DRAFT_LIFETIME_MS = 7 * 24 * 60 * 60 * 1000;
+
+type DraftCatalog = {
+  characters: { key: string; weaponType?: string | null }[];
+  weapons: { key: string; weaponType?: string | null }[];
+  artifacts: { key: string }[];
+};
+
+export function commissionDraftKey(userId: string) {
+  return `commission-request-draft:${userId}`;
+}
+
+export function serializeCommissionDraft(request: CommissionRequest, now = Date.now()) {
+  return JSON.stringify({ version: 1, savedAt: now, request });
+}
+
+export function restoreCommissionDraft(serialized: string | null, catalog: DraftCatalog, now = Date.now()): CommissionRequest | null {
+  if (!serialized) return null;
+  let parsed;
+  try { parsed = draftSchema.safeParse(JSON.parse(serialized)); } catch { return null; }
+  if (!parsed.success || now - parsed.data.savedAt > DRAFT_LIFETIME_MS || parsed.data.savedAt > now) return null;
+  const request = parsed.data.request;
+  const characterKeys = new Set(catalog.characters.map((item) => item.key));
+  const artifactKeys = new Set(catalog.artifacts.map((item) => item.key));
+  const compatibleWeapon = (characterKey: string, weaponKey: string) => {
+    const character = catalog.characters.find((item) => item.key === characterKey);
+    return character?.weaponType && catalog.weapons.some((item) => item.key === weaponKey && item.weaponType === character.weaponType)
+      ? weaponKey : "";
+  };
+  for (const team of request.teams) for (const member of team.members) {
+    if (!characterKeys.has(member.characterKey)) member.characterKey = "";
+    member.weaponKey = compatibleWeapon(member.characterKey, member.weaponKey);
+    if (!artifactKeys.has(member.artifactKey)) member.artifactKey = "";
+  }
+  for (const set of request.weapons) {
+    if (!characterKeys.has(set.characterKey)) set.characterKey = "";
+    set.weaponKeys = set.weaponKeys.map((key) => compatibleWeapon(set.characterKey, key));
+    set.refinements = Object.fromEntries(Object.entries(set.refinements ?? {}).filter(([key]) => key && set.weaponKeys.includes(key)));
+  }
+  for (const set of request.constellations) if (!characterKeys.has(set.characterKey)) set.characterKey = "";
+  return request;
+}