Add missing LAMBDA_DEBUG_MODE=1 to debug-start target

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: whummer

Makefile

@@ -14,6 +14,7 @@ start: ## Start LocalStack in the background
 
 debug-start: ## Start LocalStack with Lambda debug mode enabled (port 19891)
 	LOCALSTACK_APPINSPECTOR_ENABLE=1 LOCALSTACK_APPINSPECTOR_DEV_ENABLE=1 \
+	  LAMBDA_DEBUG_MODE=1 \
 	  LAMBDA_DEBUG_MODE_CONFIG_PATH=$(PWD)/.localstack/lambda_debug_mode.yaml localstack start -d
 
 hot-reload: ## Switch order-handler to hot-reload mode (edits take effect immediately)