feat: add coolify deployment and meta tracking

tests/deploy.test.ts

@@ -0,0 +1,20 @@
+import { describe, expect, it } from 'vitest';
+import { readFileSync } from 'node:fs';
+
+describe('Coolify and Nixpacks deployment config', () => {
+  it('defines a production start script that binds to all interfaces and PORT', () => {
+    const packageJson = JSON.parse(readFileSync('package.json', 'utf8'));
+
+    expect(packageJson.scripts.start).toContain('astro preview');
+    expect(packageJson.scripts.start).toContain('--host 0.0.0.0');
+    expect(packageJson.scripts.start).toContain('${PORT:-4321}');
+  });
+
+  it('pins Nixpacks install, build, and start commands for Coolify', () => {
+    const nixpacks = readFileSync('nixpacks.toml', 'utf8');
+
+    expect(nixpacks).toContain('npm ci');
+    expect(nixpacks).toContain('npm run build');
+    expect(nixpacks).toContain('npm run start');
+  });
+});

tests/meta.test.ts

@@ -0,0 +1,63 @@
+import { describe, expect, it } from 'vitest';
+import { buildMetaCapiPayload, contactEventParams, pageViewEventParams } from '../src/lib/meta';
+
+describe('Meta tracking helpers', () => {
+  it('builds rich Contact event params for vehicle inquiries', () => {
+    expect(
+      contactEventParams({
+        channel: 'whatsapp',
+        make: 'BMW',
+        model: '320d',
+        slug: 'bmw-320d-2018-vilnius',
+        price: 12500,
+      }),
+    ).toEqual({
+      content_category: 'Vehicle',
+      content_name: 'BMW 320d',
+      content_ids: ['bmw-320d-2018-vilnius'],
+      contact_channel: 'whatsapp',
+      currency: 'EUR',
+      value: 12500,
+    });
+  });
+
+  it('builds PageView params with content context', () => {
+    expect(pageViewEventParams('/automobiliai/bmw-320d-2018-vilnius')).toEqual({
+      content_category: 'VehicleListing',
+      page_path: '/automobiliai/bmw-320d-2018-vilnius',
+    });
+  });
+
+  it('keeps generic contact page inquiries separate from vehicle listing contacts', () => {
+    expect(contactEventParams({ channel: 'phone' })).toEqual({
+      content_category: 'SiteContact',
+      contact_channel: 'phone',
+    });
+  });
+
+  it('builds a CAPI-ready browser payload with dedupe event id', () => {
+    const payload = buildMetaCapiPayload({
+      eventName: 'Contact',
+      eventId: 'contact-123',
+      eventSourceUrl: 'https://auto.juozas.lt/automobiliai/bmw-320d-2018-vilnius',
+      userAgent: 'Mozilla/5.0',
+      fbp: 'fb.1.123',
+      fbc: 'fb.1.456',
+      customData: { content_name: 'BMW 320d' },
+    });
+
+    expect(payload).toMatchObject({
+      event_name: 'Contact',
+      event_id: 'contact-123',
+      action_source: 'website',
+      event_source_url: 'https://auto.juozas.lt/automobiliai/bmw-320d-2018-vilnius',
+      user_data: {
+        client_user_agent: 'Mozilla/5.0',
+        fbp: 'fb.1.123',
+        fbc: 'fb.1.456',
+      },
+      custom_data: { content_name: 'BMW 320d' },
+    });
+    expect(payload.event_time).toBeTypeOf('number');
+  });
+});