feat: Implement dynamic node title metadata and enhance swarm user and post hydration.

src/app/api/swarm/users/[handle]/followers/route.ts

@@ -7,6 +7,7 @@
 import { NextRequest, NextResponse } from 'next/server';
 import { db, follows, users, remoteFollowers } from '@/db';
 import { eq } from 'drizzle-orm';
+import { hydrateSwarmUsers } from '@/lib/swarm/user-hydration';
 
 export interface SwarmFollowerUser {
   handle: string;
@@ -88,8 +89,33 @@ export async function GET(request: NextRequest, context: RouteContext) {
     // Merge all followers
     const allFollowers = [...localFollowers, ...remoteFollowersList].slice(0, limit);
 
+    // Hydrate remote users (from 3rd party nodes)
+    // We need to map to the HydratedUser interface temporarily for the helper
+    const toHydrate = allFollowers.map(f => ({
+      id: f.handle,
+      handle: f.handle,
+      displayName: f.displayName,
+      avatarUrl: f.avatarUrl,
+      bio: f.bio,
+      isRemote: f.isRemote || false,
+      isBot: f.isBot,
+      nodeDomain: undefined,
+    }));
+
+    const hydrated = await hydrateSwarmUsers(toHydrate);
+
+    // Map back to SwarmFollowerUser
+    const finalFollowers: SwarmFollowerUser[] = hydrated.map(u => ({
+      handle: u.handle,
+      displayName: u.displayName || u.handle.split('@')[0], // Ensure non-null
+      avatarUrl: u.avatarUrl || undefined, // Map null to undefined
+      bio: u.bio || undefined,
+      isBot: u.isBot,
+      isRemote: u.isRemote,
+    }));
+
     return NextResponse.json({
-      followers: allFollowers,
+      followers: finalFollowers,
       nodeDomain,
       timestamp: new Date().toISOString(),
     });