fix(onboarding): fix widget links, isComplete logic, and event slugs

Use dynamic href for external links, check completedAt for graduation,
link events by slug instead of _id, and remove stale click handler.

app/composables/useOnboarding.js

@@ -22,10 +22,11 @@ export function useOnboarding(options = {}) {
   const _fetched = useState('onboarding._fetched', () => false)
 
   const isComplete = computed(() =>
-    goals.value.hasProfileTags &&
+    !!completedAt.value ||
+    (goals.value.hasProfileTags &&
     goals.value.hasVisitedEvent &&
     goals.value.hasEngagedEcology &&
-    goals.value.hasClickedWiki
+    goals.value.hasClickedWiki)
   )
 
   const pickCategory = options.pickCategory || ((categories) => {
@@ -63,7 +64,7 @@ export function useOnboarding(options = {}) {
         return {
           key: 'wiki',
           text: 'Browse the wiki for resources and guides',
-          action: null,
+          action: 'https://wiki.ghostguild.org',
           actionText: 'Browse wiki',
           isExternal: true,
         }
@@ -101,7 +102,7 @@ export function useOnboarding(options = {}) {
       return {
         key: 'event',
         text: `Upcoming event: ${item.title}`,
-        action: `/events/${item._id}`,
+        action: `/events/${item.slug}`,
         actionText: 'View event',
       }
     }
@@ -139,7 +140,7 @@ export function useOnboarding(options = {}) {
       _fetched.value = true
 
       // If graduated, fetch recommendations
-      if (isComplete.value) {
+      if (completedAt.value) {
         await fetchRecommendations()
       }
     } catch {