feat: frontend using django-vite + blabla

Makefile

@@ -19,7 +19,7 @@ help: ## Show this help
 # --- Setup -----------------------------------------------------------------
 
 .PHONY: install
-install: check-uv ## Install dependencies, create .env, migrate, collect static files
+install: check-uv frontend ## Install dependencies, build the frontend, migrate, collect static files
 	$(UV) sync
 	@$(MAKE) --no-print-directory env   # after sync: it needs Django importable
 	$(MANAGE) migrate
@@ -107,6 +107,25 @@ cron-remove: ## Remove the reminder cron job
 cron-test: ## Run the reminder job once, reporting what it would send
 	$(REMINDER_SH) --dry-run
 
+# --- Frontend --------------------------------------------------------------
+
+.PHONY: frontend
+frontend: ## Install npm dependencies and build the Vue frontend
+	cd frontend && npm install && npm run build
+
+# Only build when no bundle exists yet: tests render the shell template, which
+# needs the Vite manifest, but should not pay for a rebuild on every run.
+frontend/dist/.vite/manifest.json:
+	@$(MAKE) --no-print-directory frontend
+
+.PHONY: front-dev
+front-dev: ## Run the Vite dev server with hot reload (pair with: DJANGO_VITE_DEV=1 make run)
+	cd frontend && npm run dev
+
+.PHONY: api-client
+api-client: ## Regenerate the typed TS API client (needs 'make run' in another terminal)
+	cd frontend && npm run generate:api
+
 # --- Development -----------------------------------------------------------
 
 .PHONY: run
@@ -114,7 +133,7 @@ run: ## Run the development server
 	$(MANAGE) runserver $(PORT)
 
 .PHONY: test
-test: ## Run the test suite
+test: frontend/dist/.vite/manifest.json ## Run the test suite
 	$(MANAGE) test
 
 .PHONY: lint