fix(gateway): enforce request body size limits

src/daemon/channels.ts

@@ -99,7 +99,12 @@ export function registerChannels(deps: ChannelsDeps): ChannelsResult {
   // Register webhook handler adapter (if any webhooks configured)
   let webhookHandler: WebhookHandler | undefined;
   if (config.automation.webhooks.length > 0) {
-    webhookHandler = new WebhookHandler(config.automation.webhooks, channelRegistry, config.automation.delivery_mode);
+    webhookHandler = new WebhookHandler(
+      config.automation.webhooks,
+      channelRegistry,
+      config.automation.delivery_mode,
+      config.server.max_request_body_bytes,
+    );
     channelRegistry.register(webhookHandler);
     gateway.setWebhookHandler(webhookHandler);
     console.log(`Registered ${config.automation.webhooks.length} webhook(s)`);

src/daemon/services.ts

@@ -311,6 +311,7 @@ export function createGateway(deps: GatewayDeps): GatewayServer {
     },
     authHttp: config.server.auth_http,
     lock: config.server.lock,
+    maxRequestBodyBytes: config.server.max_request_body_bytes,
     commandRegistry: deps.commandRegistry,
     intentRegistry: deps.intentRegistry,
     routingPolicy: deps.routingPolicy,