fix: 完善转换代理行为

backend/cmd/desktop/main.go

@@ -168,7 +168,8 @@ func main() {
 }
 
 func setupRoutes(r *gin.Engine, proxyHandler *handler.ProxyHandler, providerHandler *handler.ProviderHandler, modelHandler *handler.ModelHandler, statsHandler *handler.StatsHandler) {
-	r.Any("/v1/*path", proxyHandler.HandleProxy)
+	r.Any("/openai/*path", withProtocol("openai", proxyHandler.HandleProxy))
+	r.Any("/anthropic/*path", withProtocol("anthropic", proxyHandler.HandleProxy))
 
 	providers := r.Group("/api/providers")
 	{
@@ -199,12 +200,26 @@ func setupRoutes(r *gin.Engine, proxyHandler *handler.ProxyHandler, providerHand
 	})
 }
 
+func withProtocol(protocol string, next gin.HandlerFunc) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		c.Params = append(c.Params, gin.Param{Key: "protocol", Value: protocol})
+		next(c)
+	}
+}
+
 func setupStaticFiles(r *gin.Engine) {
-	distFS, err := fs.Sub(embedfs.FrontendDist, "frontend-dist")
+	distFS, err := frontendDistFS()
 	if err != nil {
 		zapLogger.Fatal("无法加载前端资源", zap.Error(err))
 	}
+	setupStaticFilesWithFS(r, distFS)
+}
 
+func frontendDistFS() (fs.FS, error) {
+	return fs.Sub(embedfs.FrontendDist, "frontend-dist")
+}
+
+func setupStaticFilesWithFS(r *gin.Engine, distFS fs.FS) {
 	getContentType := func(path string) string {
 		if strings.HasSuffix(path, ".js") {
 			return "application/javascript"
@@ -250,7 +265,10 @@ func setupStaticFiles(r *gin.Engine) {
 		path := c.Request.URL.Path
 
 		if strings.HasPrefix(path, "/api/") ||
-			strings.HasPrefix(path, "/v1/") ||
+			strings.HasPrefix(path, "/openai/") ||
+			strings.HasPrefix(path, "/anthropic/") ||
+			path == "/openai" ||
+			path == "/anthropic" ||
 			strings.HasPrefix(path, "/health") {
 			c.JSON(404, gin.H{"error": "not found"})
 			return