feat: add Makefile with reset-db target, update submodule refs

Makefile

@@ -0,0 +1,29 @@
+.PHONY: up down reset-db logs dev migrate
+
+up:
+	docker compose up -d
+
+down:
+	docker compose down
+
+logs:
+	docker compose logs -f
+
+reset-db:
+	docker compose down -v
+	docker compose up -d postgres redis
+	@echo "Waiting for postgres to be ready..."
+	@for i in $$(seq 1 30); do \
+		docker compose exec -T postgres pg_isready -U nexusguard >/dev/null 2>&1 && break; \
+		echo "  waiting... $$i"; \
+		sleep 2; \
+	done
+	cd apps/server-core && go run -tags dev . -migrate-prod
+	@echo ""
+	@echo "Database reset complete. Run 'make up' to start all services."
+
+dev:
+	docker compose -f docker-compose.yml -f docker-compose.dev.yml up -d
+
+migrate:
+	cd apps/server-core && go run -tags dev . -migrate-prod