Fix node asset cache busting

src/app/api/admin/node/route.ts

@@ -65,6 +65,12 @@ export async function PATCH(req: NextRequest) {
             if (data.faviconData !== undefined) {
                 updateData.faviconData = data.faviconData;
             }
+            if (data.logoUrl === '') {
+                updateData.logoData = null;
+            }
+            if (data.faviconUrl === '') {
+                updateData.faviconData = null;
+            }
 
             [node] = await db.update(nodes)
                 .set(updateData)

src/app/api/admin/node/upload/route.ts

@@ -2,6 +2,7 @@ import { NextRequest, NextResponse } from 'next/server';
 import { db, nodes } from '@/db';
 import { eq } from 'drizzle-orm';
 import { requireAdmin } from '@/lib/auth/admin';
+import { getVersionedNodeAssetUrl } from '@/lib/node/assets';
 
 // Logo constraints
 const MAX_LOGO_SIZE = 2 * 1024 * 1024; // 2MB
@@ -112,9 +113,14 @@ export async function POST(req: NextRequest) {
     }
 
     // Update the appropriate field
-    const updateData = isLogo 
-      ? { logoData: dataUrl, logoUrl: `/api/node/logo`, updatedAt: new Date() }
-      : { faviconData: dataUrl, faviconUrl: `/api/node/favicon`, updatedAt: new Date() };
+    const updatedAt = new Date();
+    const assetUrl = isLogo
+      ? getVersionedNodeAssetUrl('/api/node/logo', updatedAt)
+      : getVersionedNodeAssetUrl('/api/node/favicon', updatedAt);
+
+    const updateData = isLogo
+      ? { logoData: dataUrl, logoUrl: assetUrl, updatedAt }
+      : { faviconData: dataUrl, faviconUrl: assetUrl, updatedAt };
 
     await db.update(nodes)
       .set(updateData)
@@ -122,7 +128,7 @@ export async function POST(req: NextRequest) {
 
     return NextResponse.json({
       success: true,
-      url: isLogo ? '/api/node/logo' : '/api/node/favicon',
+      url: assetUrl,
       type,
       size: file.size,
     });

src/app/api/node/favicon/route.ts

@@ -48,7 +48,9 @@ export async function GET() {
       status: 200,
       headers: {
         'Content-Type': mimeType,
-        'Cache-Control': 'public, max-age=3600, stale-while-revalidate=86400',
+        'Cache-Control': 'no-store, max-age=0',
+        Pragma: 'no-cache',
+        Expires: '0',
         'Content-Length': buffer.length.toString(),
       },
     });

src/app/api/node/logo/route.ts

@@ -48,7 +48,9 @@ export async function GET() {
       status: 200,
       headers: {
         'Content-Type': mimeType,
-        'Cache-Control': 'public, max-age=3600, stale-while-revalidate=86400',
+        'Cache-Control': 'no-store, max-age=0',
+        Pragma: 'no-cache',
+        Expires: '0',
         'Content-Length': buffer.length.toString(),
       },
     });

src/app/api/node/route.ts

@@ -3,6 +3,7 @@ import { db } from '@/db';
 import { nodes, users } from '@/db';
 import { eq, inArray } from 'drizzle-orm';
 import { getNodePublicKey } from '@/lib/swarm/node-keys';
+import { getVersionedNodeAssetUrl } from '@/lib/node/assets';
 
 export async function GET() {
     try {
@@ -58,8 +59,17 @@ export async function GET() {
             });
         }
 
+        const logoUrl = node.logoData
+            ? getVersionedNodeAssetUrl('/api/node/logo', node.updatedAt)
+            : node.logoUrl;
+        const faviconUrl = node.faviconData
+            ? getVersionedNodeAssetUrl('/api/node/favicon', node.updatedAt)
+            : node.faviconUrl;
+
         return NextResponse.json({
             ...node,
+            logoUrl,
+            faviconUrl,
             publicKey, // Always include the public key
             admins,
             // Don't expose the secret keys

src/lib/node/assets.ts

@@ -0,0 +1,13 @@
+export function getNodeAssetVersion(updatedAt: Date | string | null | undefined): string {
+  if (!updatedAt) {
+    return Date.now().toString();
+  }
+
+  const timestamp = new Date(updatedAt).getTime();
+  return Number.isNaN(timestamp) ? Date.now().toString() : timestamp.toString();
+}
+
+export function getVersionedNodeAssetUrl(path: string, updatedAt: Date | string | null | undefined): string {
+  const version = getNodeAssetVersion(updatedAt);
+  return `${path}?v=${encodeURIComponent(version)}`;
+}