fix(blocks): add database migration for CardGridBlock icon fields

Adds missing columns (media_type, icon, icon_position) to
pages_blocks_card_grid_block_cards table. Without this migration,
pages API returns 500 on production.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/migrations/20260216_150000_add_card_grid_icon_fields.ts

@@ -0,0 +1,46 @@
+import { MigrateUpArgs, MigrateDownArgs, sql } from '@payloadcms/db-postgres'
+
+export async function up({ db }: MigrateUpArgs): Promise<void> {
+  // Add enum for mediaType
+  await db.execute(sql`
+    DO $$ BEGIN
+      CREATE TYPE "enum_pages_blocks_card_grid_block_cards_media_type" AS ENUM('none', 'image', 'icon');
+    EXCEPTION
+      WHEN duplicate_object THEN null;
+    END $$;
+  `)
+
+  // Add enum for iconPosition
+  await db.execute(sql`
+    DO $$ BEGIN
+      CREATE TYPE "enum_pages_blocks_card_grid_block_cards_icon_position" AS ENUM('top', 'left');
+    EXCEPTION
+      WHEN duplicate_object THEN null;
+    END $$;
+  `)
+
+  // Add columns to card-grid-block cards array table
+  await db.execute(sql`
+    ALTER TABLE "pages_blocks_card_grid_block_cards"
+      ADD COLUMN IF NOT EXISTS "media_type" "enum_pages_blocks_card_grid_block_cards_media_type" DEFAULT 'none',
+      ADD COLUMN IF NOT EXISTS "icon" varchar,
+      ADD COLUMN IF NOT EXISTS "icon_position" "enum_pages_blocks_card_grid_block_cards_icon_position" DEFAULT 'top';
+  `)
+}
+
+export async function down({ db }: MigrateDownArgs): Promise<void> {
+  await db.execute(sql`
+    ALTER TABLE "pages_blocks_card_grid_block_cards"
+      DROP COLUMN IF EXISTS "media_type",
+      DROP COLUMN IF EXISTS "icon",
+      DROP COLUMN IF EXISTS "icon_position";
+  `)
+
+  await db.execute(sql`
+    DROP TYPE IF EXISTS "enum_pages_blocks_card_grid_block_cards_media_type";
+  `)
+
+  await db.execute(sql`
+    DROP TYPE IF EXISTS "enum_pages_blocks_card_grid_block_cards_icon_position";
+  `)
+}

src/migrations/index.ts

@@ -36,6 +36,7 @@ import * as migration_20260114_200000_fix_community_role_enum from './20260114_2
 import * as migration_20260116_100000_add_token_notification_fields from './20260116_100000_add_token_notification_fields';
 import * as migration_20260116_120000_add_report_schedules from './20260116_120000_add_report_schedules';
 import * as migration_20260215_120000_add_monitoring_collections from './20260215_120000_add_monitoring_collections';
+import * as migration_20260216_150000_add_card_grid_icon_fields from './20260216_150000_add_card_grid_icon_fields';
 
 export const migrations = [
   {
@@ -228,4 +229,9 @@ export const migrations = [
     down: migration_20260215_120000_add_monitoring_collections.down,
     name: '20260215_120000_add_monitoring_collections'
   },
+  {
+    up: migration_20260216_150000_add_card_grid_icon_fields.up,
+    down: migration_20260216_150000_add_card_grid_icon_fields.down,
+    name: '20260216_150000_add_card_grid_icon_fields'
+  },
 ];