перенес создание протокола в Go Excelize

server/main.go

@@ -11,6 +11,8 @@ import (
 	"net/url"
 	"os"
 	"strings"
+
+	"github.com/go-chi/chi/v5"
 )
 
 //go:embed dist/*
@@ -31,7 +33,6 @@ func main() {
 	originalDirector := proxy.Director
 	proxy.Director = func(r *http.Request) {
 		originalDirector(r)
-		// Rewrite /api/... -> /...
 		r.URL.Path = strings.TrimPrefix(r.URL.Path, "/api")
 		if r.URL.Path == "" {
 			r.URL.Path = "/"
@@ -46,31 +47,34 @@ func main() {
 	}
 	fileServer := http.FileServer(http.FS(distSub))
 
-	mux := http.NewServeMux()
+	r := chi.NewRouter()
 
-	// API proxy
-	mux.HandleFunc("/api/", func(w http.ResponseWriter, r *http.Request) {
-		proxy.ServeHTTP(w, r)
+	// API routes
+	r.Route("/api", func(api chi.Router) {
+		// Protocol generation handled locally (xlsx fill via excelize)
+		api.Post("/protocols/", protocolHandler(*apiTarget))
+
+		// All other /api/* requests proxied to Python backend
+		api.HandleFunc("/*", func(w http.ResponseWriter, r *http.Request) {
+			proxy.ServeHTTP(w, r)
+		})
 	})
 
 	// SPA: serve static files, fallback to index.html
-	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+	r.Get("/*", func(w http.ResponseWriter, r *http.Request) {
 		w.Header().Set("Cache-Control", "no-store")
 
-		// Try to serve the file directly
 		path := strings.TrimPrefix(r.URL.Path, "/")
 		if path == "" {
 			path = "index.html"
 		}
 
-		// Check if file exists in embedded FS
 		if f, err := distSub.Open(path); err == nil {
 			f.Close()
 			fileServer.ServeHTTP(w, r)
 			return
 		}
 
-		// Fallback to index.html for SPA routing
 		indexFile, err := fs.ReadFile(distSub, "index.html")
 		if err != nil {
 			http.Error(w, "index.html not found", http.StatusInternalServerError)
@@ -84,7 +88,7 @@ func main() {
 	log.Printf("Serving on http://localhost%s", addr)
 	log.Printf("API proxy -> %s", *apiTarget)
 
-	if err := http.ListenAndServe(addr, mux); err != nil {
+	if err := http.ListenAndServe(addr, r); err != nil {
 		log.Fatal(err)
 		os.Exit(1)
 	}