feat: add trivia category selection and sync trivia fixes

shared/lib/constants.ts

@@ -66,3 +66,22 @@ export enum LootType {
     XP = 'XP',
     ITEM = 'ITEM',
 }
+
+export enum TriviaCategory {
+    GENERAL_KNOWLEDGE = 9,
+    BOOKS = 10,
+    FILM = 11,
+    MUSIC = 12,
+    VIDEO_GAMES = 15,
+    SCIENCE_NATURE = 17,
+    COMPUTERS = 18,
+    MATHEMATICS = 19,
+    MYTHOLOGY = 20,
+    SPORTS = 21,
+    GEOGRAPHY = 22,
+    HISTORY = 23,
+    POLITICS = 24,
+    ART = 25,
+    ANIMALS = 27,
+    ANIME_MANGA = 31,
+}

shared/modules/trivia/trivia.service.ts

@@ -144,7 +144,7 @@ class TriviaService {
     /**
      * Start a trivia session - deducts entry fee and creates session
      */
-    async startTrivia(userId: string, username: string): Promise<TriviaSession> {
+    async startTrivia(userId: string, username: string, categoryId?: number): Promise<TriviaSession> {
         // Check cooldown
         const cooldownCheck = await this.canPlayTrivia(userId);
         if (!cooldownCheck.canPlay) {
@@ -184,9 +184,12 @@ class TriviaService {
             });
 
             // Fetch question
-            const category = config.trivia.categories.length > 0
-                ? config.trivia.categories[Math.floor(Math.random() * config.trivia.categories.length)]
-                : undefined;
+            let category = categoryId;
+            if (!category) {
+                category = config.trivia.categories.length > 0
+                    ? config.trivia.categories[Math.floor(Math.random() * config.trivia.categories.length)]
+                    : undefined;
+            }
 
             const difficulty = config.trivia.difficulty;
             const question = await this.fetchQuestion(category, difficulty);