refactor: remove all any types, add strict GraphQL scalar typing

- Add strictScalars: true to codegen.ts with proper scalar mappings
  (Date, Decimal, JSONString, JSON, UUID, BigInt → string/Record)
- Replace all ref<any[]> with proper GraphQL-derived types
- Add type guards for null filtering in arrays
- Fix bugs exposed by typing (locationLatitude vs latitude, etc.)
- Add interfaces for external components (MapboxSearchBox)

This enables end-to-end type safety from GraphQL schema to frontend.

app/pages/clientarea/addresses/new.vue

@@ -71,6 +71,10 @@
 import { NuxtLink } from '#components'
 import type { MapMouseEvent, Map as MapboxMapType } from 'mapbox-gl'
 
+interface MapboxSearchBox {
+  value: string
+}
+
 definePageMeta({
   layout: 'topnav',
   middleware: ['auth-oidc']
@@ -84,7 +88,7 @@ const config = useRuntimeConfig()
 const isCreating = ref(false)
 const searchBoxContainer = ref<HTMLElement | null>(null)
 const mapInstance = ref<MapboxMapType | null>(null)
-const searchBoxRef = ref<any>(null)
+const searchBoxRef = ref<MapboxSearchBox | null>(null)
 
 const newAddress = reactive({
   name: '',
@@ -110,7 +114,7 @@ const reverseGeocode = async (lat: number, lng: number): Promise<{ address: stri
     if (!feature) return { address: null, countryCode: null }
 
     // Extract country code from context
-    const countryContext = feature.context?.find((c: any) => c.id?.startsWith('country.'))
+    const countryContext = feature.context?.find((c: { id?: string }) => c.id?.startsWith('country.'))
     const countryCode = countryContext?.short_code?.toUpperCase() || null
 
     return { address: feature.place_name, countryCode }
@@ -151,7 +155,7 @@ onMounted(async () => {
   }
   searchBox.placeholder = t('profileAddresses.form.address.placeholder')
 
-  searchBox.addEventListener('retrieve', (event: any) => {
+  searchBox.addEventListener('retrieve', (event: CustomEvent) => {
     const feature = event.detail.features?.[0]
     if (feature) {
       const [lng, lat] = feature.geometry.coordinates