Add lastNobilityAdvanceAt field and update logic in FalukantService

- Introduced a new field `lastNobilityAdvanceAt` in the FalukantUser model to track the last time a user advanced in nobility.
- Updated the `FalukantService` to enforce a one-week cooldown between nobility advancements, throwing an error if the user attempts to advance too soon.
- Ensured the `lastNobilityAdvanceAt` field is updated with the current date upon a successful nobility advancement.

backend/services/falukantService.js

@@ -2931,8 +2931,16 @@ class FalukantService extends BaseService {
         if (!nobility || !nobility.next) {
             throw new Error('User does not have a nobility');
         }
-        const nextTitle = nobility.next.toJSON();
         const user = await this.getFalukantUserByHashedId(hashedUserId);
+        const now = new Date();
+        if (user.lastNobilityAdvanceAt) {
+            const oneWeekAgo = new Date(now.getTime());
+            oneWeekAgo.setDate(oneWeekAgo.getDate() - 7);
+            if (user.lastNobilityAdvanceAt > oneWeekAgo) {
+                throw new Error('too soon');
+            }
+        }
+        const nextTitle = nobility.next.toJSON();
         let fulfilled = true;
         let cost = 0;
         for (const requirement of nextTitle.requirements) {
@@ -2959,6 +2967,7 @@ class FalukantService extends BaseService {
         });
         const character = await FalukantCharacter.findOne({ where: { userId: user.id } });
         await character.update({ titleOfNobility: newTitle.id });
+        await user.update({ lastNobilityAdvanceAt: now });
         if (cost > 0) {
             updateFalukantUserMoney(user.id, -cost, 'new nobility title', user.id);
         }