Deprecate legacy VM inventory endpoints and add gating logic

server/handler/vmImport.go

@@ -15,9 +15,10 @@ import (
 )
 
 // VmImport ingests a bulk VM import payload.
-// @Summary Import VMs
-// @Description Imports existing VM inventory data in bulk.
+// @Summary Import VMs (deprecated)
+// @Description Deprecated: Imports existing VM inventory data in bulk.
 // @Tags inventory
+// @Deprecated
 // @Accept json
 // @Produce json
 // @Param import body models.ImportReceived true "Bulk import payload"
@@ -25,6 +26,10 @@ import (
 // @Failure 500 {object} models.ErrorResponse "Server error"
 // @Router /api/import/vm [post]
 func (h *Handler) VmImport(w http.ResponseWriter, r *http.Request) {
+	if h.denyLegacyAPI(w, "/api/import/vm") {
+		return
+	}
+
 	// Read request body
 	reqBody, err := io.ReadAll(r.Body)
 	if err != nil {