feat(TRUEREF-0023): add sqlite-vec search pipeline

src/lib/server/db/client.ts

@@ -4,6 +4,7 @@
  */
 import Database from 'better-sqlite3';
 import { env } from '$env/dynamic/private';
+import { loadSqliteVec } from './sqlite-vec';
 
 let _client: Database.Database | null = null;
 
@@ -14,6 +15,12 @@ export function getClient(): Database.Database {
 		_client.pragma('journal_mode = WAL');
 		_client.pragma('foreign_keys = ON');
 		_client.pragma('busy_timeout = 5000');
+		_client.pragma('synchronous = NORMAL');
+		_client.pragma('cache_size = -65536');
+		_client.pragma('temp_store = MEMORY');
+		_client.pragma('mmap_size = 268435456');
+		_client.pragma('wal_autocheckpoint = 1000');
+		loadSqliteVec(_client);
 	}
 	return _client;
 }