fix: tune slider formatting - max 2 decimals, integers show no decimal

internal/web/ui.go

@@ -617,6 +617,12 @@ func NewUI(discovery *service.DiscoveryService, registry *service.RegistryServic
                 return v
             }
         },
+        "formatTuneValue": func(value, step float64) string {
+            if step >= 1 {
+                return fmt.Sprintf("%.0f", value)
+            }
+            return fmt.Sprintf("%.2f", value)
+        },
     }).ParseFS(uiFS, "ui/templates/*.html")
     if err != nil {
         return nil, err

internal/web/ui/templates/template_settings.html

@@ -20,9 +20,10 @@
       <div class="tuning-item">
         <label class="tuning-label">{{.Label}}</label>
         <div class="tuning-control">
-          <input type="range" name="tune_{{.Path}}" value="{{printf "%.4f" .Value}}" min="{{.Min}}" max="{{.Max}}" step="{{.Step}}"
-                 oninput="this.nextElementSibling.value=Number(this.value).toFixed({{if eq .Step 1.0}}0{{else if eq .Step 0.05}}2{{else}}1{{end}})+'{{.Unit}}'">
-          <output>{{printf "%.4f" .Value}}{{.Unit}}</output>
+          <input type="range" name="tune_{{.Path}}" value="{{printf "%v" .Value}}" min="{{.Min}}" max="{{.Max}}" step="{{printf "%v" .Step}}"
+                 data-step="{{printf "%v" .Step}}" data-unit="{{.Unit}}"
+                 oninput="var s=Number(this.dataset.step);var d=s>=1?0:2;this.nextElementSibling.textContent=Number(this.value).toFixed(d)+(this.dataset.unit||'')">
+          <output>{{formatTuneValue .Value .Step}}{{.Unit}}</output>
         </div>
       </div>
       {{end}}