feat: schema versioning with v2 migration (loans, last_played_at)

server/src/config.ts

@@ -5,6 +5,7 @@ import crypto from 'node:crypto'
 export interface Config {
   dataDir: string
   artworkDir: string
+  backupsDir: string
   dbPath: string
   port: number
   sessionSecret: string
@@ -15,9 +16,12 @@ export function loadConfig(env: Record<string, string | undefined> = process.env
   mkdirSync(dataDir, { recursive: true })
   const artworkDir = path.join(dataDir, 'artwork-cache')
   mkdirSync(artworkDir, { recursive: true })
+  const backupsDir = path.join(dataDir, 'backups')
+  mkdirSync(backupsDir, { recursive: true })
   return {
     dataDir,
     artworkDir,
+    backupsDir,
     dbPath: path.join(dataDir, 'record-shop.db'),
     port: Number(env.PORT ?? 3000),
     sessionSecret: getOrCreateSecret(dataDir),