feat(products): seed an example product catalog on a v2 organization

## Context

The catalog is the v2 surface, so its seed data belongs on a dedicated
organization that has the product_catalog integration enabled, keeping
Hooli as the legacy demo so the flows never mix.

## Description

Add a seed that creates a "Hooli v2" organization (product_catalog enabled,
its own billing entity, admin membership and API key) and builds a small
catalog through the services: a billable metric with a region filter, a
Cloud Platform product with a usage and a fixed item, a product item
filter, and a USD rate card with one active rate. Idempotent.

Author: rsempe

db/seeds/30_product_catalog.rb

@@ -0,0 +1,98 @@
+# frozen_string_literal: true
+
+# The product catalog is the v2 billing surface. Seed it on a dedicated
+# organization that has the product_catalog integration enabled, keeping
+# Hooli as the legacy (v1) demo so the two flows never mix.
+gavin = User.find_by!(email: "gavin@hooli.com")
+
+organization = Organization.find_by(name: "Hooli v2") ||
+  Organization.create!(id: "33333333-4444-5555-6666-777777777777", name: "Hooli v2")
+organization.update!(
+  premium_integrations: Organization::PREMIUM_INTEGRATIONS,
+  invoice_footer: "Hooli v2 is a fictional company on the product catalog."
+)
+
+BillingEntity.find_or_create_by!(organization:, name: "Hooli v2", code: "hooli_v2").update!(
+  email: "gavin@hooli.com",
+  email_settings: BillingEntity::EMAIL_SETTINGS
+)
+
+membership = Membership.find_or_create_by!(user: gavin, organization:)
+MembershipRole.find_or_create_by!(membership:, organization:, role: Role.find_by!(admin: true))
+
+unless organization.api_keys.exists?
+  api_key = organization.api_keys.create!(name: "Hooli v2 Key", permissions: ApiKey.default_permissions)
+  api_key.update_columns(value: "lago_key-hooli-v2-1234567890") # rubocop:disable Rails/SkipsModelValidations
+end
+
+unless Product.exists?(organization:, code: "cloud_platform")
+  # A billable metric with a filter, to back a usage product item and a product item filter.
+  api_calls_bm = BillableMetric.find_by(organization:, code: "catalog_api_calls") ||
+    BillableMetrics::CreateService.call!(
+      organization_id: organization.id,
+      name: "API calls",
+      aggregation_type: "count_agg",
+      code: "catalog_api_calls",
+      filters: [{key: "region", values: %w[us eu]}]
+    ).billable_metric
+
+  region_filter = api_calls_bm.filters.find_by(key: "region")
+
+  product = Products::CreateService.call!(
+    organization:,
+    params: {
+      name: "Cloud Platform",
+      code: "cloud_platform",
+      description: "Seeded product catalog example"
+    }
+  ).product
+
+  usage_item = ProductItems::CreateService.call!(
+    organization:,
+    params: {
+      name: "API calls",
+      code: "api_calls",
+      item_type: "usage",
+      product_id: product.id,
+      billable_metric_id: api_calls_bm.id
+    }
+  ).product_item
+
+  ProductItems::CreateService.call!(
+    organization:,
+    params: {
+      name: "Platform fee",
+      code: "platform_fee",
+      item_type: "fixed",
+      product_id: product.id
+    }
+  )
+
+  ProductItemFilters::CreateService.call!(
+    product_item: usage_item,
+    params: {
+      name: "EU traffic",
+      code: "eu_traffic",
+      values: [{billable_metric_filter_id: region_filter.id, value: "eu"}]
+    }
+  )
+
+  rate_card = RateCards::CreateService.call!(
+    product_item: usage_item,
+    params: {
+      name: "Standard USD",
+      code: "standard_usd",
+      currency: "USD"
+    }
+  ).rate_card
+
+  RateCardRates::CreateService.call!(
+    rate_card:,
+    params: {
+      effective_datetime: 1.month.ago,
+      rate_model: "standard",
+      rate_properties: {amount: "0.01"},
+      billing_interval_unit: "month"
+    }
+  )
+end