refactor: use esm-safe database migrations

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

tests/database/migrate.test.ts

@@ -0,0 +1,21 @@
+import { mkdtempSync, rmSync } from "node:fs";
+import { tmpdir } from "node:os";
+import { join } from "node:path";
+import { describe, expect, it } from "vitest";
+import { initializeMigrationSqliteDatabase } from "../../src/database/migrate";
+
+describe("initializeMigrationSqliteDatabase", () => {
+  it("creates a SQLite DB with WAL journal mode", () => {
+    const dir = mkdtempSync(join(tmpdir(), "bete-migrate-"));
+    const dbPath = join(dir, "test.db");
+    const { sqlite, db } = initializeMigrationSqliteDatabase(dbPath);
+
+    try {
+      expect(db).toBeDefined();
+      expect(sqlite.pragma("journal_mode", { simple: true })).toBe("wal");
+    } finally {
+      sqlite.close();
+      rmSync(dir, { recursive: true, force: true });
+    }
+  });
+});