ci: add pull request quality gates

Co-Authored-By: gpt-5.6-terra <noreply@openai.com>

test/backends/sqlite/migrator.test.ts

@@ -46,7 +46,7 @@ describe("SqliteMigrator", () => {
     assert.equal(applied.length, 3);
     assert.deepEqual(
       applied.map((m) => m.id),
-      [1, 2, 3]
+      [1, 2, 3],
     );
     db.destroy();
   });
@@ -66,7 +66,7 @@ describe("SqliteMigrator", () => {
     const migrator = new SqliteMigrator(db);
     await assert.rejects(
       () => migrator.migrateTo(9999),
-      /No known migration with id 9999/
+      /No known migration with id 9999/,
     );
     db.destroy();
   });