improvement(knowledge): keep the Tin readiness hold at a minute

Author: waleedlatif1

apps/sim/lib/knowledge/search/tin-keyword.ts

@@ -11,10 +11,9 @@ const logger = createLogger('TinKeywordSearch')
 
 /**
  * How long a readiness answer holds. The index only becomes valid once the projection is fully
- * backfilled, and never invalid again; the flag is checked on every search regardless, so a
- * long hold costs nothing but the one read it saves each search.
+ * backfilled, and flipping the flag off takes effect within this window.
  */
-const READINESS_TTL_MS = 10 * 60 * 1000
+const READINESS_TTL_MS = 60 * 1000
 const SEARCH_INDEX_TTL_MS = 10 * 60 * 1000
 
 /**