diff --git a/Makefile b/Makefile
index cc57287..7b567bb 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,17 @@
-.PHONY: help dev-backend dev-frontend install clean
+.PHONY: help dev dev-backend dev-frontend install clean
 
 .DEFAULT_GOAL := help
 
 help: ## Show available commands
 	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "  %-15s %s\n", $$1, $$2}'
 
+dev: ## Start backend and frontend (requires tmux)
+	@if command -v tmux >/dev/null 2>&1; then \
+		tmux new-session -d -s velxio 'make dev-backend' \; split-window -h 'make dev-frontend' \; attach; \
+	else \
+		echo "Install tmux or run 'make dev-backend' and 'make dev-frontend' in separate terminals"; \
+	fi
+
 dev-backend: ## Start backend (port 8001)
 	@cd backend && . venv/bin/activate && uvicorn app.main:app --reload --host 0.0.0.0 --port 8001
 
@@ -12,8 +19,13 @@ dev-frontend: ## Start frontend (port 5173)
 	@cd frontend && npm run dev
 
 install: ## Install dependencies
+	@echo "Installing root dependencies (tsx, typescript for build scripts)..."
+	@npm install
+	@echo "Installing backend dependencies..."
 	@cd backend && python3 -m venv venv && . venv/bin/activate && pip install -r requirements.txt
+	@echo "Installing frontend dependencies..."
 	@cd frontend && npm install
+	@echo "✓ All dependencies installed"
 
 clean: ## Remove venv and node_modules
-	@rm -rf backend/venv frontend/node_modules
+	@rm -rf backend/venv frontend/node_modules node_modules