feat(F-071): completed feature

project/migrations/030_category_emoji_color.js

@@ -0,0 +1,21 @@
+/* eslint-disable camelcase */
+/**
+ * F-071: Adds emoji and color columns to categories_categories.
+ * Allows admin to set a representative emoji and card color per category.
+ * Both columns are nullable — existing categories remain unaffected.
+ */
+export const up = (pgm) => {
+  pgm.sql(`
+    ALTER TABLE categories_categories
+    ADD COLUMN IF NOT EXISTS emoji VARCHAR(10) NULL DEFAULT NULL,
+    ADD COLUMN IF NOT EXISTS color TEXT NULL DEFAULT NULL
+  `);
+};
+
+export const down = (pgm) => {
+  pgm.sql(`
+    ALTER TABLE categories_categories
+    DROP COLUMN IF EXISTS emoji,
+    DROP COLUMN IF EXISTS color
+  `);
+};