feat(guides): autosave structured guide data

lib/catalog/lunaris.ts

@@ -0,0 +1,45 @@
+import * as z from "zod";
+
+export interface CatalogConstellation {
+  level: number;
+  name: string;
+  description: string;
+  iconKey: string | null;
+}
+
+const constellationSchema = z.object({
+  name: z.string(),
+  description: z.string(),
+  icon: z.string(),
+});
+
+export const characterDetailSchema = z.object({
+  constellations: z.record(z.string(), constellationSchema),
+});
+
+export function cleanLunarisText(value: string): string {
+  return value
+    .replace(/\{\/?LINK[^}]*\}/gu, "")
+    .replace(/<\/?color(?:=[^>]*)?>/gu, "")
+    .replace(/^"|"$/gu, "")
+    .trim();
+}
+
+export function constellationSnapshot(
+  value: z.infer<typeof characterDetailSchema>,
+  iconKey: (icon: string) => string,
+): CatalogConstellation[] {
+  const result: CatalogConstellation[] = [];
+  for (const index of Array.from({ length: 6 }, (_, itemIndex) => itemIndex)) {
+    const level = index + 1;
+    const item = value.constellations[`const${level}`];
+    if (!item) continue;
+    result.push({
+      level,
+      name: cleanLunarisText(item.name),
+      description: cleanLunarisText(item.description),
+      iconKey: iconKey(item.icon),
+    });
+  }
+  return result;
+}