add migration; copy suspended state from user table

packages/backend/migration/1752410900000-FollowingIsFollowerSuspendedCopySuspendedState.js

@@ -0,0 +1,20 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+module.exports = class FollowingIsFollowerSuspendedCopySuspendedState1752410900000 {
+    name = 'FollowingIsFollowerSuspendedCopySuspendedState1752410900000'
+
+    async up(queryRunner) {
+			// Update existing records based on user suspension status
+			await queryRunner.query(`
+				UPDATE "following"
+				SET "isFollowerSuspended" = "user"."isSuspended"
+				FROM "user"
+				WHERE "following"."followerId" = "user"."id"
+			`);
+    }
+
+    async down(queryRunner) {
+    }
+}