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/page-anchors.md

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+# PageAnchors
+
+A list of anchors to be displayed in the page.
+
+## Key Props
+
+- `links`: as an array of objects with the following properties:
+
+- `label: string`{lang="ts-type"}
+- `icon?: string`{lang="ts-type"}
+- `class?: any`{lang="ts-type"}
+- `ui?: { item?: ClassNameValue, link?: ClassNameValue, linkLabel?: ClassNameValue, linkLabelExternalIcon?: ClassNameValue, linkLeading?: ClassNameValue, linkLeadingIcon?: ClassNameValue }`{lang="ts-type"}
+
+You can pass any property from the [Link](/docs/components/link#props) component such as `to`, `target`, etc.
+
+## Usage
+
+```vue
+<UPageAnchors
+  <!-- props here -->
+/>
+```