diff --git a/internal/web/ui.go b/internal/web/ui.go
index b7d6bd3..f537f9f 100644
--- a/internal/web/ui.go
+++ b/internal/web/ui.go
@@ -785,9 +785,9 @@ func (u *UI) pageDashboard(w http.ResponseWriter, r *http.Request) {
 			body, code, err := u.agent.Do("GET", dev.IP, dev.AgentPort, "/v1/metrics", nil)
 			if err != nil || code != 200 { continue }
 			var m struct {
-				CPU    struct{ UsagePct float64 } `json:"cpu"`
+				CPU    struct{ UsagePct float64 `json:"usage_pct"` } `json:"cpu"`
 				Memory struct{ TotalKB uint64 `json:"total_kb"`; AvailableKB uint64 `json:"available_kb"` } `json:"memory"`
-				NPU    struct{ UsagePct float64 } `json:"npu"`
+				NPU    struct{ UsagePct float64 `json:"usage_pct"` } `json:"npu"`
 			}
 			json.Unmarshal(body, &m)
 			var mem float64