Add N8N_PUBLIC_WEBHOOK_URL for OAuth callback handling

Dockerfile

@@ -62,6 +62,7 @@ ENV OLLAMA_HOST="0.0.0.0:11434"
 # OAuth redirect URL configuration - override with proxy base URL
 ENV N8N_EDITOR_BASE_URL="https://n8n-clickup-oauth-proxy.vercel.app/"
 ENV N8N_WEBHOOK_URL="https://n8n-clickup-oauth-proxy.vercel.app/"
+ENV N8N_PUBLIC_WEBHOOK_URL="https://n8n-clickup-oauth-proxy.vercel.app/"
 ENV WEBHOOK_URL="https://n8n-clickup-oauth-proxy.vercel.app/"
 ENV N8N_SEC_EMBEDDER_HEADER_ALLOW_FROM_REGEX="^https?:\\/\\/([a-zA-Z0-9\\-]+\\.)*hf\\.space$"
 ENV N8N_SEC_ALLOW_ALL_ORIGINS_FOR_WEBHOOKS="true"

start.sh

@@ -186,6 +186,7 @@ fi
 # This MUST come after the above URL detection to ensure it takes precedence
 export N8N_EDITOR_BASE_URL="https://n8n-clickup-oauth-proxy.vercel.app/"
 export N8N_WEBHOOK_URL="https://n8n-clickup-oauth-proxy.vercel.app/"
+export N8N_PUBLIC_WEBHOOK_URL="https://n8n-clickup-oauth-proxy.vercel.app/"
 export WEBHOOK_URL="https://n8n-clickup-oauth-proxy.vercel.app/"
 echo "OAuth redirect URLs configured to use proxy: https://n8n-clickup-oauth-proxy.vercel.app/"