feat(api-contract): add CRUD methods to products contract

Add get, create, update, delete endpoints to products contract.
Keep existing list endpoint unchanged (no pagination).

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: npslaney

src/contracts/products.ts

@@ -1,6 +1,7 @@
 import { oc } from "@orpc/contract";
 import { z } from "zod";
 import { CurrencySchema } from "../schemas/currency";
+import { ProductPriceInputSchema } from "../schemas/product-price-input";
 
 export const ProductPriceSchema = z.object({
 	id: z.string(),
@@ -31,6 +32,42 @@ export const listProductsContract = oc
 	.input(z.object({}).optional())
 	.output(ListProductsOutputSchema);
 
+// CRUD input schemas
+const CreateProductInputSchema = z.object({
+	name: z.string().min(1),
+	description: z.string().optional(),
+	price: ProductPriceInputSchema,
+	userMetadata: z.record(z.string(), z.string()).optional(),
+});
+
+const UpdateProductInputSchema = z.object({
+	id: z.string(),
+	name: z.string().min(1).optional(),
+	description: z.string().optional(),
+	price: ProductPriceInputSchema.optional(),
+	userMetadata: z.record(z.string(), z.string()).optional(),
+});
+
+export const getProductContract = oc
+	.input(z.object({ id: z.string() }))
+	.output(ProductSchema);
+
+export const createProductContract = oc
+	.input(CreateProductInputSchema)
+	.output(ProductSchema);
+
+export const updateProductContract = oc
+	.input(UpdateProductInputSchema)
+	.output(ProductSchema);
+
+export const deleteProductContract = oc
+	.input(z.object({ id: z.string() }))
+	.output(z.object({ ok: z.literal(true) }));
+
 export const products = {
 	list: listProductsContract,
+	get: getProductContract,
+	create: createProductContract,
+	update: updateProductContract,
+	delete: deleteProductContract,
 };