auth/token needs GET

cmd/appview/serve.go

@@ -393,7 +393,7 @@ func serveRegistry(cmd *cobra.Command, args []string) error {
 			return nil // All errors are non-fatal
 		})
 
-		mainRouter.Post("/auth/token", tokenHandler.ServeHTTP)
+		mainRouter.Get("/auth/token", tokenHandler.ServeHTTP)
 
 		// Device authorization endpoints (public)
 		mainRouter.Handle("/auth/device/code", &uihandlers.DeviceCodeHandler{

pkg/auth/token/handler.go

@@ -213,8 +213,3 @@ func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 }
-
-// RegisterRoutes registers the token handler with the provided mux
-func (h *Handler) RegisterRoutes(mux *http.ServeMux) {
-	mux.Handle("/auth/token", h)
-}