Add runtime BMA456 tap config with NVS persistence and goTool UI.

Expose multitap parameters over UART/ESP-NOW (like deadzone), store per node in NVS, and allow get/set from CLI, REST, and the dashboard without poll-overwrite while editing.

Co-authored-by: Cursor <cursoragent@cursor.com>

goTool/api_serve.go

@@ -86,16 +86,17 @@ type logLevelAPIRequest struct {
 }
 
 type otaAPIResponse struct {
-	Success       bool   `json:"success"`
-	BytesWritten  uint32 `json:"bytes_written,omitempty"`
-	TargetSlot    uint32 `json:"target_slot,omitempty"`
-	Error         string `json:"error,omitempty"`
+	Success      bool   `json:"success"`
+	BytesWritten uint32 `json:"bytes_written,omitempty"`
+	TargetSlot   uint32 `json:"target_slot,omitempty"`
+	Error        string `json:"error,omitempty"`
 }
 
 func mountServeAPI(mux *http.ServeMux, link *managedSerial, hub *wsHub, streamCtl *accelStreamCtl, tapCtl *tapNotifyCtl) {
 	mountLiveStreamAPI(mux, hub)
 	mountAccelStreamAPI(mux, link, hub, streamCtl)
 	mountTapAPI(mux, link, hub, tapCtl)
+	mountTapConfigAPI(mux, link)
 	mountLedRingAPI(mux, link)
 	mountBatteryAPI(mux, link)
 	mux.HandleFunc("/api/deadzone", func(w http.ResponseWriter, r *http.Request) {