fix: migration for cascading deletes in member removal ❗️

packages/db/src/migrations/20250924044343_fix_removal.ts

@@ -0,0 +1,41 @@
+import { type Kysely } from 'kysely';
+
+export async function up(db: Kysely<any>) {
+  // applications
+
+  await db.schema
+    .alterTable('applications')
+    .dropConstraint('applications_referral_id_fkey')
+    .execute();
+
+  await db.schema
+    .alterTable('applications')
+    .addForeignKeyConstraint(
+      'applications_referral_id_fkey',
+      ['referral_id'],
+      'referrals',
+      ['id']
+    )
+    .onDelete('cascade')
+    .execute();
+
+  // opportunity_reports
+
+  await db.schema
+    .alterTable('opportunity_reports')
+    .dropConstraint('opportunity_reports_reporter_id_fkey')
+    .execute();
+
+  await db.schema
+    .alterTable('opportunity_reports')
+    .addForeignKeyConstraint(
+      'opportunity_reports_reporter_id_fkey',
+      ['reporter_id'],
+      'students',
+      ['id']
+    )
+    .onDelete('cascade')
+    .execute();
+}
+
+export async function down(_: Kysely<any>) {}