Add nuxt-skills and update auto quotes to use new policy API structure

- Add nuxt-skills (vue, nuxt, nuxt-ui) to .claude/skills/
- Create useCustomerSelection() composable for managing insured/buyer selection
- Create usePolicyApi() composable for policy API operations
- Update auto quote components to use insured/buyer instead of client
- Update vehicle fields: remove valorVehiculo, add market_value, requested_value, rc_limits
- Make chassis_number and engine_number optional
- Update auto quote types and composables to match new API structure
- Update auto quote page to submit to policy API with new structure

.claude/skills/nuxt-ui/components/pricing-plan.md

@@ -0,0 +1,39 @@
+# PricingPlan
+
+A customizable pricing plan to display in a pricing page.
+
+## Key Props
+
+- `title`: to set the title of the PricingPlan.
+- `description`: to set the description of the PricingPlan.
+- `badge`: to display a [Badge](/docs/components/badge) next to the title of the PricingPlan.
+- `price`: to set the price of the PricingPlan.
+- `discount`: to set a discounted price that will be displayed alongside the original price (which will be shown with a strikethrough).
+- `features`: as an array of string to display a list of features on the PricingPlan:
+
+## ::component-code
+
+prettier: true
+hide:
+
+- class
+  ignore:
+- title
+- description
+- price
+- features
+  props:
+  title: 'Solo'
+  description: 'For bootstrappers and indie hackers.
+- `button`: with any property from the [Button](/docs/components/button) component to display a button at the bottom of the PricingPlan.
+- `variant`: to change the variant of the PricingPlan.
+- `orientation`: to change the orientation of the PricingPlan.
+- `tagline`: to display a tagline text above the price.
+
+## Usage
+
+```vue
+<UPricingPlan
+  <!-- props here -->
+/>
+```