refactor: remove redundant INSTANCE_NAME env var

src/server.ts

@@ -12,7 +12,6 @@ export const REQUIRED_ENV = [
 	'EVOLUTION_API_URL',
 	'EVOLUTION_API_KEY',
 	'EVOLUTION_API_INSTANCE',
-	'INSTANCE_NAME',
 	'WHATSAPP_COMMUNITY_ID',
 	'CHATBOT_PHONE_NUMBER',
 	'WEBHOOK_URL'
@@ -52,7 +51,7 @@ export class WebhookServer {
 			}
 
 			// 4. Verify instance matches
-			if (payload.instance !== process.env.INSTANCE_NAME) {
+			if (payload.instance !== process.env.EVOLUTION_API_INSTANCE) {
 				return new Response('Invalid instance', { status: 403 });
 			}
 
@@ -94,8 +93,7 @@ export class WebhookServer {
 	static validateEnv() {
 		console.log('ℹ️ Checking environment variables...');
 		console.log('EVOLUTION_API_URL:', process.env.EVOLUTION_API_URL ? '***' : 'MISSING');
-		console.log('EVOLUTION_API_INSTANCE:', process.env.EVOLUTION_API_INSTANCE ? '***' : 'MISSING');
-		console.log('INSTANCE_NAME:', process.env.INSTANCE_NAME || 'MISSING');
+		console.log('EVOLUTION_API_INSTANCE:', process.env.EVOLUTION_API_INSTANCE || 'MISSING');
 		console.log('WEBHOOK_URL:', process.env.WEBHOOK_URL ? `${process.env.WEBHOOK_URL.substring(0, 20)}...` : 'MISSING');
 
 		const missing = REQUIRED_ENV.filter(v => !process.env[v]);