feat: add Product tags and bulk tag updates

packages/contracts/product.js

@@ -15,6 +15,7 @@ export function toAdminProductDto(product) {
     cardNumber: product.cardNumber ?? null,
     eventName: product.eventName ?? null,
     releaseYear: product.releaseYear ?? null,
+    tags: product.tags ?? [],
     createdAt: toIsoString(product.createdAt),
     updatedAt: toIsoString(product.updatedAt),
   };

packages/contracts/public-product.js

@@ -14,6 +14,7 @@ export function toPublicProductDto(product) {
     cardNumber: product.cardNumber ?? null,
     eventName: product.eventName ?? null,
     releaseYear: product.releaseYear ?? null,
+    tags: product.tags ?? [],
     createdAt: toIsoString(product.createdAt),
     updatedAt: toIsoString(product.updatedAt),
   };

packages/validation/inventory.js

@@ -23,7 +23,21 @@ export const bulkPricingRefreshInventorySchema = z
   })
   .strict();
 
+export const bulkTagInventorySchema = z
+  .object({
+    action: z.literal('TAGS'),
+    inventoryItemIds: z.array(z.uuid()).min(1).max(100),
+    add: z.array(z.string().trim().min(1).max(100)).max(50).optional(),
+    remove: z.array(z.string().trim().min(1).max(100)).max(50).optional(),
+  })
+  .strict()
+  .refine(({ add, remove }) => (add?.length ?? 0) > 0 || (remove?.length ?? 0) > 0, {
+    message: 'Add or remove at least one tag.',
+    path: ['add'],
+  });
+
 export const bulkInventorySchema = z.discriminatedUnion('action', [
   bulkArchiveInventorySchema,
   bulkPricingRefreshInventorySchema,
+  bulkTagInventorySchema,
 ]);

packages/validation/product.js

@@ -6,5 +6,6 @@ export const createProductSchema = z
   .object({
     name: z.string().trim().min(1).max(255),
     categoryId: identifier,
+    tags: z.array(z.string().trim().min(1).max(100)).max(50).optional(),
   })
   .strict();