feat: 31 new tests, metrics LLM counters, Dockerfile caching, Makefile targets, compose limits, code fixes

Makefile

@@ -1,4 +1,4 @@
-.PHONY: install dev test lint format docker-build docker-up docker-down docker-destroy docker-rebuild docker-logs clean
+.PHONY: install dev test lint format typecheck check run setup-env docker-build docker-up docker-down docker-destroy docker-rebuild docker-logs docker-ps docker-shell docker-restart clean
 
 install:
 	pip install -e .
@@ -16,6 +16,19 @@ format:
 	ruff format guarddog_nexus tests
 	ruff check --fix guarddog_nexus tests
 
+typecheck:
+	mypy guarddog_nexus
+
+check: lint format typecheck test
+	@echo "All checks passed"
+
+run:
+	python -m guarddog_nexus.main
+
+setup-env:
+	@test -f .env || cp .env.example .env
+	@echo ".env ready"
+
 docker-build:
 	docker compose build
 
@@ -29,11 +42,20 @@ docker-destroy:
 	docker compose down -v
 
 docker-rebuild:
-	docker compose down && docker compose up -d --build
+	docker compose down; docker compose up -d --build
 
 docker-logs:
 	docker compose logs -f
 
+docker-ps:
+	docker compose ps
+
+docker-shell:
+	docker compose exec guarddog-nexus bash
+
+docker-restart:
+	docker compose restart guarddog-nexus
+
 clean:
 	rm -rf dist build *.egg-info
 	find . -type d -name __pycache__ -exec rm -rf {} + 2>/dev/null || true