Tune SQLite caches and maintain planner statistics

src/lib/server/reports/database.ts

@@ -1,5 +1,7 @@
 import Database from 'better-sqlite3';
 import { workerData } from 'node:worker_threads';
+import { tuneConnection } from '../db/connection.js';
 
 const handle = new Database(workerData.dbPath, { readonly: true, fileMustExist: true });
+tuneConnection(handle, true);
 export function db() { return handle; }