feat: build juozas auto site

tests/contact.test.ts

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+import { describe, expect, it } from 'vitest';
+import { whatsappUrl } from '../src/lib/contact';
+
+describe('contact links', () => {
+  it('builds a Lithuanian WhatsApp inquiry link for a car', () => {
+    expect(whatsappUrl('37061234567', 'BMW', '320d')).toBe(
+      'https://wa.me/37061234567?text=Sveiki%2C%20domina%20BMW%20320d',
+    );
+  });
+});

tests/format.test.ts

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+import { describe, expect, it } from 'vitest';
+import { excerpt, formatEngineSize, formatMileage, formatPower, formatPrice, slugifyCar } from '../src/lib/format';
+
+describe('Lithuanian listing formatters', () => {
+  it('formats prices with spaces and a non-breaking euro separator', () => {
+    expect(formatPrice(12500)).toBe('12 500\u00a0€');
+  });
+
+  it('formats mileage with grouped spaces', () => {
+    expect(formatMileage(145000)).toBe('145 000 km');
+  });
+
+  it('formats power in kW and AG', () => {
+    expect(formatPower(140)).toBe('140 kW (190 AG)');
+  });
+
+  it('formats engine size with a Lithuanian decimal separator', () => {
+    expect(formatEngineSize(2.5)).toBe('2,5 l');
+  });
+
+  it('creates ascii car slugs from Lithuanian city names', () => {
+    expect(slugifyCar({ make: 'Škoda', model: 'Octavia RS', year: 2020, city: 'Šiauliai' })).toBe(
+      'skoda-octavia-rs-2020-siauliai',
+    );
+  });
+
+  it('creates plain text excerpts capped at 155 characters', () => {
+    const text = '**Patikrintas automobilis.** '.repeat(12);
+    expect(excerpt(text)).toHaveLength(155);
+    expect(excerpt(text)).not.toContain('*');
+  });
+});

tests/jsonld.test.ts

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+import { describe, expect, it } from 'vitest';
+import { vehicleJsonLd } from '../src/lib/jsonLd';
+
+describe('Vehicle JSON-LD', () => {
+  it('maps listing fields to Vehicle schema', () => {
+    const schema = vehicleJsonLd({
+      canonicalUrl: 'https://auto.juozas.lt/automobiliai/bmw-320d-2018-vilnius',
+      imageUrl: 'https://auto.juozas.lt/_astro/01.jpg',
+      car: {
+        make: 'BMW',
+        model: '320d',
+        year: 2018,
+        price: 12500,
+        mileage: 145000,
+        fuel: 'dyzelinas',
+        transmission: 'automatinė',
+        bodyType: 'sedanas',
+        color: 'Pilka',
+        sold: false,
+        vin: 'WBA8C91010A000000',
+      },
+    });
+
+    expect(schema['@type']).toBe('Vehicle');
+    expect(schema.vehicleModelDate).toBe(2018);
+    expect(schema.mileageFromOdometer.value).toBe(145000);
+    expect(schema.offers.price).toBe(12500);
+    expect(schema.offers.priceCurrency).toBe('EUR');
+  });
+
+  it('marks sold listings as sold out', () => {
+    const schema = vehicleJsonLd({
+      canonicalUrl: 'https://auto.juozas.lt/automobiliai/bmw-320d-2018-vilnius',
+      imageUrl: 'https://auto.juozas.lt/_astro/01.jpg',
+      car: {
+        make: 'BMW',
+        model: '320d',
+        year: 2018,
+        price: 12500,
+        mileage: 145000,
+        fuel: 'dyzelinas',
+        transmission: 'automatinė',
+        bodyType: 'sedanas',
+        color: 'Pilka',
+        sold: true,
+      },
+    });
+
+    expect(schema.offers.availability).toBe('https://schema.org/SoldOut');
+  });
+});