feat(hunt): track walking distance via GPS, show live locations on map

Add foreground-only GPS distance tracking for hunts

app/pages/hunt/[huntSlug]/index.vue

@@ -25,6 +25,7 @@ const teamSettingsOpen = ref(false);
 const { data, pending, refresh, error } = await useFetch(`/api/hunt/${id}`);
 
 huntStore.setMembership(id, data.value?.isMember ?? false);
+huntStore.setTrackDistance(id, data.value?.trackDistance ?? false);
 
 const hasBingo = computed(
   () => data.value?.quests?.some((q) => q.isBingo) ?? false
@@ -282,6 +283,13 @@ ${document.location.href}`
           </VaCardContent>
         </VaCard>
       </div>
+      <ClientOnly v-if="data.ownTeam !== null">
+        <TrackDistanceCard
+          :hunt="data"
+          :seed-distance="data.ownDistance ?? 0"
+          class="my-4"
+        />
+      </ClientOnly>
       <VaDivider />
       <VaCard
         v-if="data.ownTeam === null && !data.isMember"