Use ordered SQLite migrations (Refs #75)

src/lib/server/game-files/index.ts

@@ -5,8 +5,6 @@ import { dirname, join, resolve } from 'node:path';
 import { db } from '../db/index.js';
 import { config } from '../config.js';
 import { getHost, getHostOperation, listHosts, queueHostOperation } from '../hosts/index.js';
-import { ensureGameFileSchema } from './schema.js';
-import { ensureHostSchema } from '../hosts/schema.js';
 import {
     manifestChecksum,
     receiveGameFile,
@@ -35,10 +33,7 @@ import type {
 } from '../../game-files.js';
 
 function database() {
-    const handle = db();
-    ensureGameFileSchema(handle);
-    ensureHostSchema(handle);
-    return handle;
+    return db();
 }
 export const gameFilesRoot = () =>
     resolve(process.env.GAME_FILES_ROOT ?? join(dirname(config.dbPath), 'game-files'));

src/lib/server/game-files/schema.ts

@@ -1,13 +1,6 @@
 import type Database from 'better-sqlite3';
 
-const initialized = new WeakSet<Database.Database>();
-export function ensureGameFileSchema(handle: Database.Database): void {
-    if (initialized.has(handle)) return;
-    // Worker readers open only after the controller has initialized the schema.
-    if (handle.readonly) {
-        initialized.add(handle);
-        return;
-    }
+export function migrateGameFileSchema(handle: Database.Database): void {
     handle.exec(`
         CREATE TABLE IF NOT EXISTS game_file_libraries (
             id TEXT PRIMARY KEY, name TEXT NOT NULL COLLATE NOCASE UNIQUE,
@@ -62,5 +55,4 @@ export function ensureGameFileSchema(handle: Database.Database): void {
         handle.exec('ALTER TABLE host_library_caches ADD COLUMN bytes_verified INTEGER');
     if (!cacheColumns.some((column) => column.name === 'transfer_progress'))
         handle.exec('ALTER TABLE host_library_caches ADD COLUMN transfer_progress TEXT');
-    initialized.add(handle);
 }