feat(bisaya): implement child marriage proposal and wooing features, update age rules and relationships

backend/migrations-active/20260908000000-add-party-relationship.cjs

@@ -0,0 +1,16 @@
+'use strict';
+
+module.exports = {
+  async up(queryInterface) {
+    await queryInterface.sequelize.query(`
+      ALTER TABLE falukant_data.party
+      ADD COLUMN IF NOT EXISTS relationship_id INTEGER NULL
+      REFERENCES falukant_data.relationship(id) ON DELETE SET NULL;
+      CREATE INDEX IF NOT EXISTS party_relationship_id_idx
+      ON falukant_data.party (relationship_id);
+    `);
+  },
+  async down(queryInterface) {
+    await queryInterface.sequelize.query(`ALTER TABLE falukant_data.party DROP COLUMN IF EXISTS relationship_id;`);
+  }
+};