Fix federation flows and add versioned updater

src/app/api/users/[handle]/posts/route.ts

@@ -1,6 +1,6 @@
 import { NextResponse } from 'next/server';
 import { db, posts, users, likes } from '@/db';
-import { eq, desc, and, inArray, lt } from 'drizzle-orm';
+import { eq, desc, and, inArray, lt, sql } from 'drizzle-orm';
 import { fetchSwarmUserProfile, isSwarmNode } from '@/lib/swarm/interactions';
 import { discoverNode } from '@/lib/swarm/discovery';
 
@@ -51,8 +51,8 @@ export async function GET(request: Request, context: RouteContext) {
                     displayName: profile.displayName || profile.handle,
                     avatarUrl: profile.avatarUrl,
                 };
-                
-                const posts = profileData.posts.map((post: any) => ({
+
+                const remotePosts = profileData.posts.map((post: any) => ({
                     id: post.id,
                     content: post.content,
                     createdAt: post.createdAt,
@@ -70,7 +70,7 @@ export async function GET(request: Request, context: RouteContext) {
                     originalPostId: post.id,
                 }));
 
-                return NextResponse.json({ posts, nextCursor: null });
+                return NextResponse.json({ posts: remotePosts, nextCursor: null });
             }
 
             return NextResponse.json({ posts: [] });
@@ -108,13 +108,35 @@ export async function GET(request: Request, context: RouteContext) {
                     avatarUrl: profile.avatarUrl,
                 };
                 
-                const posts = profileData.posts.map((post: any) => ({
+                const swarmPostIds = profileData.posts.map((post: any) => `swarm:${remote.domain}:${post.id}`);
+                let localReplyCounts = new Map<string, number>();
+
+                if (swarmPostIds.length > 0) {
+                    const counts = await db.select({
+                        swarmReplyToId: posts.swarmReplyToId,
+                        replyCount: sql<number>`count(*)::int`,
+                    })
+                        .from(posts)
+                        .where(and(
+                            inArray(posts.swarmReplyToId, swarmPostIds),
+                            eq(posts.isRemoved, false)
+                        ))
+                        .groupBy(posts.swarmReplyToId);
+
+                    localReplyCounts = new Map(
+                        counts
+                            .filter(row => row.swarmReplyToId)
+                            .map(row => [row.swarmReplyToId as string, row.replyCount])
+                    );
+                }
+
+                const remotePosts = profileData.posts.map((post: any) => ({
                     id: post.id,
                     content: post.content,
                     createdAt: post.createdAt,
                     likesCount: post.likesCount || 0,
                     repostsCount: post.repostsCount || 0,
-                    repliesCount: post.repliesCount || 0,
+                    repliesCount: (post.repliesCount || 0) + (localReplyCounts.get(`swarm:${remote.domain}:${post.id}`) || 0),
                     author,
                     media: post.media || [],
                     linkPreviewUrl: post.linkPreviewUrl || null,
@@ -126,7 +148,7 @@ export async function GET(request: Request, context: RouteContext) {
                     originalPostId: post.id,
                 }));
 
-                return NextResponse.json({ posts, nextCursor: null });
+                return NextResponse.json({ posts: remotePosts, nextCursor: null });
             }
 
             return NextResponse.json({ posts: [] });