Increase cache TTLs for entries and Discord profiles

backend/src/services/discord.ts

@@ -14,7 +14,7 @@ interface CacheEntry {
   expiresAt: number;
 }
 
-const CACHE_TTL_MS = 5 * 60 * 1000; // 5 minutes
+const CACHE_TTL_MS = 24 * 60 * 60 * 1000; // 24 hours
 const cache = new Map<string, CacheEntry>();
 
 function getBotToken(): string | undefined {

backend/src/services/entries.ts

@@ -120,8 +120,8 @@ async function fetchEntriesFromGitHub(jamSlug: string): Promise<Entry[]> {
 
 // In-memory cache for GitHub-fetched entries
 const entriesCache: Map<string, { entries: Entry[]; fetchedAt: number }> = new Map();
-const CACHE_TTL = 5 * 60 * 1000; // 5 minutes (slugs, frontmatter)
-const CACHE_TTL_ACTIVE = 5 * 60 * 1000; // 5 minutes for latest jam entries
+const CACHE_TTL = 24 * 60 * 60 * 1000; // 24 hours (slugs, frontmatter)
+const CACHE_TTL_ACTIVE = 60 * 60 * 1000; // 1 hour for latest jam entries
 const CACHE_TTL_ARCHIVE = 7 * 24 * 60 * 60 * 1000; // 7 days for older jam entries
 
 /** Latest jam slug, updated by getJamSlugs(). */

spec/JUDGING.md

@@ -126,7 +126,7 @@ Backend fetches entries from GitHub:
 https://raw.githubusercontent.com/dojoengine/game-jams/main/{slug}/entries.yaml
 ```
 
-Caching: 5-minute TTL in memory. This balances freshness with minimal GitHub API calls.
+Caching: 1-hour TTL in memory. This balances freshness with minimal GitHub API calls.
 
 ## Pairwise Judging