feat(discord-gateway): add local badword pre-filter, accurate token estimation, Piscina maxThreads config, and PromptMode support

2026-06-02 22:50:23 +07:00
parent 6d2da7ce1d
commit f163ead3cf
4 changed files with 69 additions and 1 deletions
@@ -508,6 +508,16 @@ function hasMediaContent(
 // Single-image vision analysis (reused by both text-only and media paths)
 // ---------------------------------------------------------------------------

+/**
+ * In-memory LRU cache for vision analysis results.
+ * Fastest path — avoids DB round-trip for frequently seen images.
+ * Max 500 entries, 24-hour TTL.
+ */
+const visionLruCache = new LRUCache<string, string>({
+  max: 500,
+  ttl: 24 * 60 * 60 * 1000,
+});
+
 /**
 * In-flight deduplication map — prevents concurrent vision API calls for
 * the same cache key. Multiple concurrent requests for an identical image