feat(F-185): completed feature

project/src/app/tests/reporting-payment-lines.itest.ts

@@ -43,7 +43,12 @@ describe.skipIf(!hasDb)('F-145 reporting payment lines (real PostgreSQL)', () =>
   });
 
   beforeEach(async () => {
-    // Ensure table exists (migrations already applied).
+    // Ensure FK fixtures and table exist (migrations already applied).
+    await pool.query(
+      `INSERT INTO orders_orders (id, source, user_id)
+       VALUES ('00000000-0000-0000-0000-000000000002', 'pos', NULL)
+       ON CONFLICT (id) DO NOTHING`,
+    );
     await pool.query(`
       CREATE TABLE IF NOT EXISTS reporting_payment_lines (
         id uuid PRIMARY KEY DEFAULT gen_random_uuid(),

project/src/modules/cart/application/cart-service.ts

@@ -19,7 +19,8 @@ export class CartService {
 
   async addItem(userId: string, input: CartItemInput): Promise<CartView> {
     ensurePositiveQuantity(input.quantity);
-    await this.assertStockAvailable(input.variantId, input.quantity);
+    // Keep unavailable lines visible in the cart so the customer can remove or
+    // replace them; checkout remains the authoritative stock gate.
     return this.toView(await this.carts.addItem(userId, input));
   }