Release v0.3.1

- Feed bounded context with DDD implementation (Phases 1-5)
- Domain event handlers for cross-context coordination
- Fix Blossom media upload setting persistence
- Fix wallet connection persistence on page reload
- New branding assets and icons
- Vitest testing infrastructure with 151 domain model tests
- Help page scaffolding
- Keyboard navigation provider

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/components/FollowingBadge/index.tsx

@@ -1,4 +1,4 @@
-import { userIdToPubkey } from '@/lib/pubkey'
+import { Pubkey } from '@/domain'
 import { useFollowList } from '@/providers/FollowListProvider'
 import { UserRoundCheck } from 'lucide-react'
 import { useMemo } from 'react'
@@ -10,7 +10,7 @@ export default function FollowingBadge({ pubkey, userId }: { pubkey?: string; us
   const isFollowing = useMemo(() => {
     if (pubkey) return followingSet.has(pubkey)
 
-    return userId ? followingSet.has(userIdToPubkey(userId)) : false
+    return userId ? followingSet.has(Pubkey.tryFromString(userId)?.hex ?? userId) : false
   }, [followingSet, pubkey, userId])
 
   if (!isFollowing) return null