Update Makefile: workspace-aware install/rebuild, typecheck and format targets

Makefile

@@ -1,6 +1,7 @@
 .DEFAULT_GOAL := help
 .PHONY: help install rebuild init dev dev-backend dev-frontend build start \
-        db-import db-dump admin clean clean-db docker-up docker-down docker-logs
+        typecheck format db-import db-dump admin clean clean-db \
+        docker-up docker-down docker-logs
 
 help:
 	@echo "PCA Pijac — available targets:"
@@ -10,9 +11,11 @@ help:
 	@echo "  make rebuild        Rebuild native modules (argon2, sqlite3, sharp)"
 	@echo "  make dev            Run backend + frontend in dev (parallel)"
 	@echo "  make dev-backend    Run Directus backend only (nodemon)"
-	@echo "  make dev-frontend   Run Next.js frontend only"
+	@echo "  make dev-frontend   Run Vite frontend only"
 	@echo "  make build          Build frontend for production"
 	@echo "  make start          Start backend + frontend in production mode"
+	@echo "  make typecheck      Typecheck frontend (tsc -b --noEmit)"
+	@echo "  make format         Prettier format frontend"
 	@echo ""
 	@echo "  make db-import      Reset data/data.db from schema/dump.sql"
 	@echo "  make db-dump        Dump current DB to schema/dump.sql"
@@ -28,12 +31,9 @@ help:
 
 install:
 	pnpm install
-	cd backend && pnpm install
-	cd frontend && pnpm install
 
 rebuild:
-	cd backend && pnpm install --force
-	cd frontend && pnpm install --force
+	pnpm install --force
 
 init: install rebuild db-import
 	@echo "Init complete. Run 'make admin EMAIL=... PASSWORD=...' to create an admin user."
@@ -50,9 +50,15 @@ dev-frontend:
 build:
 	cd frontend && pnpm run build
 
+typecheck:
+	cd frontend && pnpm run typecheck
+
+format:
+	cd frontend && pnpm run format
+
 start:
 	cd backend && pnpm run start & \
-	cd frontend && pnpm run start; \
+	cd frontend && pnpm run preview; \
 	wait
 
 db-import:
@@ -81,7 +87,7 @@ docker-logs:
 	docker compose logs -f
 
 clean:
-	rm -rf node_modules backend/node_modules frontend/node_modules frontend/.next
+	rm -rf node_modules backend/node_modules frontend/node_modules legacy-frontend/node_modules legacy-frontend/.next
 
 clean-db:
 	rm -f data/data.db