vibe-coded serve program that automatically rebuilds

Makefile

@@ -22,10 +22,8 @@ $(OUT_DIR)/index.stamp: $(PAGES) $(TEMPLATES) $(ASSETS_FILES) cmd/build/main.go
 	@if [ -d $(ASSETS_DIR) ]; then rm -rf $(OUT_DIR)/$(ASSETS_DIR); cp -r $(ASSETS_DIR) $(OUT_DIR)/; fi
 	@date +%s > $(OUT_DIR)/index.stamp
 
-serve: build
-	@echo "Serving $(OUT_DIR) as document root..."
-	@xdg-open "http://localhost:8000/index.html" || true
-	@cd $(OUT_DIR) && python -m http.server
+serve: deps
+	@$(GO) run ./cmd/serve --port 8000 $(PWD)
 
 PDF := $(OUT_DIR)/output.pdf
 PDF_2UP := $(OUT_DIR)/output-2up.pdf