feat: Add user likes tab and local timeline, update branding assets

- Add likes tab to user profiles displaying user's liked posts
- Implement new `/api/users/[handle]/likes` endpoint to fetch user's liked posts
- Add local timeline feed type to show only local node posts without fediverse content
- Update favicon and add new logotext branding asset
- Enhance search results with isLiked and isReposted status for authenticated users
- Populate like and repost information in search posts endpoint
- Update profile page tabs to conditionally show likes tab for non-bot users
- Add loading states and empty state messaging for likes tab
- Remove deprecated guide page
- Improve bot settings page and content generation logic

src/app/[handle]/page.tsx

@@ -81,13 +81,15 @@ export default function ProfilePage() {
 
     const [user, setUser] = useState<User | null>(null);
     const [posts, setPosts] = useState<Post[]>([]);
+    const [likedPosts, setLikedPosts] = useState<Post[]>([]);
     const [currentUser, setCurrentUser] = useState<{ id: string; handle: string } | null>(null);
     const [isFollowing, setIsFollowing] = useState(false);
     const [loading, setLoading] = useState(true);
-    const [activeTab, setActiveTab] = useState<'posts' | 'followers' | 'following'>('posts');
+    const [activeTab, setActiveTab] = useState<'posts' | 'likes' | 'followers' | 'following'>('posts');
     const [followers, setFollowers] = useState<UserSummary[]>([]);
     const [following, setFollowing] = useState<UserSummary[]>([]);
     const [postsLoading, setPostsLoading] = useState(true);
+    const [likesLoading, setLikesLoading] = useState(false);
     const [followersLoading, setFollowersLoading] = useState(false);
     const [followingLoading, setFollowingLoading] = useState(false);
     const [isEditing, setIsEditing] = useState(false);
@@ -106,6 +108,7 @@ export default function ProfilePage() {
         setSaveError(null);
         setFollowers([]);
         setFollowing([]);
+        setLikedPosts([]);
         // Get current user
         fetch('/api/auth/me')
             .then(res => res.json())
@@ -197,6 +200,15 @@ export default function ProfilePage() {
                 .catch(() => setFollowing([]))
                 .finally(() => setFollowingLoading(false));
         }
+
+        if (activeTab === 'likes') {
+            setLikesLoading(true);
+            fetch(`/api/users/${handle}/likes`)
+                .then(res => res.json())
+                .then(data => setLikedPosts(data.posts || []))
+                .catch(() => setLikedPosts([]))
+                .finally(() => setLikesLoading(false));
+        }
     }, [activeTab, handle]);
 
     const handleFollow = async () => {
@@ -617,7 +629,10 @@ export default function ProfilePage() {
 
                 {/* Tabs */}
                 <div style={{ display: 'flex', borderTop: '1px solid var(--border)' }}>
-                    {(['posts', 'followers', 'following'] as const).map(tab => (
+                    {(user?.isBot 
+                        ? ['posts', 'followers', 'following'] as const
+                        : ['posts', 'likes', 'followers', 'following'] as const
+                    ).map(tab => (
                         <button
                             key={tab}
                             onClick={() => setActiveTab(tab)}
@@ -663,6 +678,29 @@ export default function ProfilePage() {
                 )
             )}
 
+            {activeTab === 'likes' && (
+                likesLoading ? (
+                    <div style={{ padding: '48px', textAlign: 'center', color: 'var(--foreground-tertiary)' }}>
+                        <p>Loading...</p>
+                    </div>
+                ) : likedPosts.length === 0 ? (
+                    <div style={{ padding: '48px', textAlign: 'center', color: 'var(--foreground-tertiary)' }}>
+                        <p>No liked posts yet</p>
+                    </div>
+                ) : (
+                    likedPosts.map((post, index) => (
+                        <PostCard
+                            key={`${post.id}-${index}`}
+                            post={post}
+                            onLike={handleLike}
+                            onRepost={handleRepost}
+                            onComment={handleComment}
+                            onDelete={handleDelete}
+                        />
+                    ))
+                )
+            )}
+
             {activeTab === 'followers' && (
                 followersLoading ? (
                     <div style={{ padding: '24px', textAlign: 'center', color: 'var(--foreground-tertiary)' }}>