feat(db): add automatic Drizzle migration on app startup

src/db/client.ts

@@ -1,9 +1,19 @@
 import { openDatabaseSync } from "expo-sqlite";
 import { drizzle } from "drizzle-orm/expo-sqlite";
+import { migrate } from "drizzle-orm/expo-sqlite/migrator";
 import * as schema from "./schema";
+import migrations from "../../drizzle/migrations";
 
 export const DATABASE_NAME = "swimbuddy.db";
 
 const expoDb = openDatabaseSync(DATABASE_NAME, { enableChangeListener: true });
 
 export const db = drizzle(expoDb, { schema });
+
+// Run migrations on first load
+let migrated = false;
+export async function ensureMigrations() {
+  if (migrated) return;
+  await migrate(db, migrations);
+  migrated = true;
+}

src/providers/DatabaseProvider.tsx

@@ -1,9 +1,10 @@
 import { SQLiteProvider } from "expo-sqlite";
 import { DATABASE_NAME } from "../db/client";
+import { ensureMigrations } from "../db/client";
 
 export function DatabaseProvider({ children }: { children: React.ReactNode }) {
   return (
-    <SQLiteProvider databaseName={DATABASE_NAME} useSuspense>
+    <SQLiteProvider databaseName={DATABASE_NAME} useSuspense onInit={ensureMigrations}>
       {children}
     </SQLiteProvider>
   );