feat(stats): tab Statistik (F-005) — bar CPU/RAM, riwayat sparkline 60 dtk, laju NET/Disk, PIDs

internal/app/home.go

@@ -95,7 +95,7 @@ func (m Model) hostPanel(w, h int) string {
 	lines := []string{
 		fieldW(i18n.T("field.host"), 9) + dim(m.hostname),
 		fieldW(i18n.T("field.cpu"), 9) + dim(i18n.Tf("fmt.coreLoad", cpus, s.Load1)),
-		fieldW(i18n.T("field.ram"), 9) + dim(i18n.Tf("fmt.ramUsage", pct)) + memBar(pct, 10) +
+		fieldW(i18n.T("field.ram"), 9) + dim(i18n.Tf("fmt.ramUsage", pct)) + pctBar(float64(pct), 10) +
 			dim(fmt.Sprintf(" %s/%s", humanKBs(s.MemTotal-s.MemAvail), humanKBs(s.MemTotal))),
 		fieldW(i18n.T("field.uptime"), 9) + dim(humanDuration(s.Uptime)),
 	}
@@ -184,9 +184,9 @@ func humanDuration(sec float64) string {
 	}
 }
 
-// memBar — bar RAM; warna ikut beban (hijau <60% · kuning 60–85% · merah >85%).
-func memBar(pct, w int) string {
-	fill := pct * w / 100
+// pctBar — bar persentase; warna ikut beban (hijau <60% · kuning 60–85% · merah >85%).
+func pctBar(pct float64, w int) string {
+	fill := int(pct * float64(w) / 100)
 	if fill > w {
 		fill = w
 	}