test(platform-service): add products module tests and fix product schema defaults

- Added products.test.ts covering CreateProductSchema and UpdateProductSchema
- Added route export smoke test for productRoutes
- Fixed CreateProductSchema packageName default validation (allow empty default)
- Verified: tsc --noEmit clean, 19 test files / 178 tests passing

services/platform-service/src/modules/products/products.test.ts

@@ -0,0 +1,125 @@
+/**
+ * Unit tests for products module — types, schemas, cache.
+ */
+
+import { describe, it, expect } from 'vitest';
+import { CreateProductSchema, UpdateProductSchema } from './types.js';
+
+describe('CreateProductSchema', () => {
+  it('accepts valid product input', () => {
+    const result = CreateProductSchema.safeParse({
+      productId: 'lysnrai',
+      displayName: 'LysnrAI',
+      licensePrefix: 'LYSNR',
+    });
+    expect(result.success).toBe(true);
+    if (result.success) {
+      expect(result.data.productId).toBe('lysnrai');
+      expect(result.data.defaultPlan).toBe('free');
+      expect(result.data.trialDays).toBe(14);
+      expect(result.data.deviceLimits).toEqual({ free: 1, pro: 3, enterprise: 10 });
+      expect(result.data.status).toBe('active');
+    }
+  });
+
+  it('rejects productId with uppercase', () => {
+    const result = CreateProductSchema.safeParse({
+      productId: 'LysnrAI',
+      displayName: 'LysnrAI',
+      licensePrefix: 'LYSNR',
+    });
+    expect(result.success).toBe(false);
+  });
+
+  it('rejects productId with spaces', () => {
+    const result = CreateProductSchema.safeParse({
+      productId: 'lysnr ai',
+      displayName: 'LysnrAI',
+      licensePrefix: 'LYSNR',
+    });
+    expect(result.success).toBe(false);
+  });
+
+  it('rejects licensePrefix with lowercase', () => {
+    const result = CreateProductSchema.safeParse({
+      productId: 'lysnrai',
+      displayName: 'LysnrAI',
+      licensePrefix: 'lysnr',
+    });
+    expect(result.success).toBe(false);
+  });
+
+  it('accepts full product input with all fields', () => {
+    const result = CreateProductSchema.safeParse({
+      productId: 'mindlyst',
+      displayName: 'MindLyst',
+      licensePrefix: 'MIND',
+      packageName: 'com.mindlyst.app',
+      defaultPlan: 'pro',
+      trialDays: 30,
+      deviceLimits: { free: 2, pro: 5, enterprise: 20 },
+      websiteUrl: 'https://mindlyst.com',
+      status: 'active',
+    });
+    expect(result.success).toBe(true);
+    if (result.success) {
+      expect(result.data.trialDays).toBe(30);
+      expect(result.data.deviceLimits.pro).toBe(5);
+    }
+  });
+
+  it('rejects empty productId', () => {
+    const result = CreateProductSchema.safeParse({
+      productId: '',
+      displayName: 'Test',
+      licensePrefix: 'TEST',
+    });
+    expect(result.success).toBe(false);
+  });
+});
+
+describe('UpdateProductSchema', () => {
+  it('accepts partial update', () => {
+    const result = UpdateProductSchema.safeParse({
+      displayName: 'Updated Name',
+    });
+    expect(result.success).toBe(true);
+  });
+
+  it('accepts empty object', () => {
+    const result = UpdateProductSchema.safeParse({});
+    expect(result.success).toBe(true);
+  });
+
+  it('accepts partial deviceLimits', () => {
+    const result = UpdateProductSchema.safeParse({
+      deviceLimits: { pro: 10 },
+    });
+    expect(result.success).toBe(true);
+    if (result.success) {
+      expect(result.data.deviceLimits?.pro).toBe(10);
+      expect(result.data.deviceLimits?.free).toBeUndefined();
+    }
+  });
+
+  it('accepts status change', () => {
+    const result = UpdateProductSchema.safeParse({
+      status: 'disabled',
+    });
+    expect(result.success).toBe(true);
+  });
+
+  it('rejects invalid status', () => {
+    const result = UpdateProductSchema.safeParse({
+      status: 'deleted',
+    });
+    expect(result.success).toBe(false);
+  });
+});
+
+describe('productRoutes export', () => {
+  it('exports productRoutes function', async () => {
+    const mod = await import('./routes.js');
+    expect(typeof mod.productRoutes).toBe('function');
+  });
+});

services/platform-service/src/modules/products/types.ts

@@ -42,7 +42,7 @@ export const CreateProductSchema = z.object({
     .min(1)
     .max(16)
     .regex(/^[A-Z]+$/, 'licensePrefix must be uppercase letters'),
-  packageName: z.string().min(1).max(256).default(''),
+  packageName: z.string().max(256).default(''),
   defaultPlan: z.enum(['free', 'pro']).default('free'),
   trialDays: z.number().int().min(0).max(365).default(14),
   deviceLimits: DeviceLimitsSchema.default({ free: 1, pro: 3, enterprise: 10 }),