LCORE-2395: add run-local target for running without container orchestration

Restores the pre-LCORE-1872 behaviour as a separate target: run-local
starts only the lightspeed-stack service, assuming llama-stack is already
running externally (e.g. via docker compose or a separate process).

Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>

Author: are-ces

Makefile

@@ -17,7 +17,7 @@ LLAMA_STACK_IMAGE ?= lightspeed-llama-stack:local
 LLAMA_STACK_PORT ?= 8321
 CONTAINER_RUNTIME ?= $(shell command -v podman 2>/dev/null || command -v docker 2>/dev/null)
 
-.PHONY: run build-llama-stack-image remove-llama-stack-container start-llama-stack-container wait-for-llama-stack-health clean-llama-stack
+.PHONY: run run-local build-llama-stack-image remove-llama-stack-container start-llama-stack-container wait-for-llama-stack-health clean-llama-stack
 
 run: start-llama-stack-container ## Run the service locally with llama-stack container
 	@echo "Starting Lightspeed Core Stack..."
@@ -108,6 +108,9 @@ clean-llama-stack: remove-llama-stack-container ## Remove container and image
 		echo "Removing llama-stack image..."; \
 		$(CONTAINER_RUNTIME) rmi $(LLAMA_STACK_IMAGE); \
 	fi
+run-local: ## Run the service locally, assuming llama-stack is already running externally
+	uv run src/lightspeed_stack.py -c $(CONFIG)
+
 run-llama-stack: ## Start Llama Stack with enriched config (for local service mode)
 	uv run src/llama_stack_configuration.py -c $(CONFIG) -i $(LLAMA_STACK_CONFIG) -o $(LLAMA_STACK_CONFIG) && \
 	uv run llama stack run $(LLAMA_STACK_CONFIG)